terete

Leaves opposite, entire, those of a pair unequal, terete to flat, petiole broadening at base forming a sheath around stem.

Styles united into a column; fruit terete, ribbed when dry; endosperm ruminate or rugose.

roots slender, terete , up to 40 cm long, fleshy, stem buried in sand with apical part emerged above ground.

Culms rambling or climbing, up to 15 m long, branched, glabrous to puberulous or hispid, terete, solid.

Stem usually single, branched from above base, erect, lower part pale purple, otherwise pale green, terete, slender, glabrous.

Stem erect or slightly stoloniferous, terete or angulate, simple or branched, gradually glabrous downward.

young branches terete, densely yellowish brown appressed pubescent, mature branches dark brown, glabrous, lenticellate.

Style not basally widened, terete, with a clear line of demarcation between ovary and style.

Shrubs scandent. Stems terete; axial parts silvery sericeous when young, later yellowish or glabrescent.

Stem erect, terete, robust, conspicuously grooved, simple or branched in upper part, sparsely glandular at nodes.

Branchlets grayish brown to grayish black, terete, slender, initially densely yellow pubescent, gradually glabrescent.

Stems erect from procumbent base, terete, reddish brown, usually simple, with multicellular hairs.

branches prostrate or ascending, yellow-white, terete, somewhat ribbed above, glabrous.

Leaf blade terete, sometimes slightly compressed when dry, distinctly and perfectly septate.

Stems erect or arcuate at base, terete or slightly angulate, simple or short branched in upper part, with multicellular hairs.

Stem erect, usually much branched, pallid or yellow-white, terete below, slightly ribbed above, glabrous.

Taproot thickened, elongate terete or clavate, fleshy, reddish, reddish-yellow, or yellow.

Shrubs climbing. Stems terete, pubescent, glabrescent.

Herbs, perennial. Stem terete, erect, fluted, glabrous, branched above, hollow.

Stems terete, densely ferruginous with glandular trichomes and tomentose.

Ovary terete in bud, becoming broadly conic, gourd-shaped, or ovoid at anthesis, slightly pubescent or glabrous.

older branchlets gray-brown, terete, longitudinally ridged, puberulent, lenticels absent, leaf scars raised.

Stems and branches terete, sulcate or angular, glabrous or young shoot and inflorescence pubescent.

Stems erect or twining, 4-ribbed at first, later terete, usually tuberculate and with longitudinally lengthened lenticels.

Branches sometimes pendulous, terete, youngest parts ridged.

Rhizome horizontally creeping, terete or moniliform, fleshy.

branches terete, with rounded lenticels, slightly rough, glabrate.

Branchlets terete, soft hairy, glabrescent, with sparse, needle-like prickles or nearly unarmed, rarely with dense, minute prickles.

Herbaceous vines. Stem terete, slightly angulate, glabrous.

Branches erect, turning purple-red, terete, slender, grayish sericeous when young.

branchlets black-brown, terete, densely pubescent when young, soon glabrescent, irregularly angled.

Caudex simple. Stem solitary, branched above, solid, terete, finely grooved.

Branchlets terete, longitudinally angular and sulcate, glandular-pubescent when young.

Leaves subsessile, scale-like, shortly terete or linear, small, margin entire, often fleshy or leathery, with salt-secreting glands.

branches gray-black to gray-brown, terete, sturdy, twigs greenish or yellow-greenish, striate.

Branchlets spreading, dark reddish brown, terete, robust, initially white pubescent, glabrous when old.

Herbs perennial. Roots robust, terete, sometimes much branched.

Branchlets grayish brown to brownish, terete, initially densely yellowish strigose, glabrous when old.

Shrubs climbing. Stems terete, striate, densely gray-yellow villous.

Branchlets black-brown, terete, glabrous or sparsely acicular hirsute, with elliptic lenticels.

Branches dark brown, terete, glabrous, slightly striate.

Branchlets reddish brown or grayish brown to grayish black, terete, slender, initially strigose, glabrous when old.

Stems in clusters, unbranched or with a few branches, slender, terete, 1-1. 5 mm thick, glabrous.

Stems usually numerous, terete or weakly angular, shortly branched, copiously minutely glandular at apex.

Branchlets brown, terete, with dotted or linear lenticels, glabrous, densely scurfy glandular.

branches gray-green to gray-brown, terete, glabrous, twigs green to light green, glabrous.

Branchlets brown or reddish brown, terete, with soft hairs, glandular hairs, and sparse, needle-like or small curved prickles.

Branchlets terete, becoming yellowish brown to red-brown and subglabrous, nodes with an elevated leaf scar.

Stems terete or obscurely quadrangular, woody at base, simple or weakly branched.

Stems 2 to many, erect, terete at base, upper part with raised lines descending from bases of leaves, sparsely black glandular striate.

Shrubs climbing. Stems terete, striate, glabrous.

Stems terete, striate, with small bullate tubercles, more dense when mature.

Branchlets dark reddish brown, terete, initially densely yellow pubescent, glabrous when old.

Branchlets terete, thin, minutely striate, yellowish brown tomentose.

Leaves alternate, terete or semiterete, fleshy, apex obtuse or easily deciduous spinose mucronate.

branches terete, sturdy, twigs gray to light green-gray, young branches striate.

Branchlets brown or purplish brown to blackish brown, terete, initially yellow strigose, glabrous when old.

Branchlets yellow-green when dry, purple-brown when old, conspicuously striate, terete, glabrous.

embryo erect, radicle terete, cotyledons oblong.

Caudex simple. Stem solitary, branched from middle, terete.

Stems several, branched from base, solid, terete, glabrous.

Shrubs. Twigs terete, glabrous or pubescent towards apices.

Disk shortly terete in lower part, cupular in upper part, margin membranous, wavy.

Stem prostrate or obliquely spreading, much branched, green striate, terete or obtusely ribbed.

Leaves alternate, terete or undeveloped, fleshy, basally decurrent.

Branchlets gray-yellow, terete, with small lenticels, stellate tomentose.

Stem terete, sparsely white pubescent, striate.

Twigs terete, narrowly striate, with long rust-colored setose hairs.

branches brownish red, terete, with dense white lenticels.

Shrubs evergreen. Twigs terete, glabrous.

branches terete, sturdy, twigs green to light green, terete with striae.

Branchlets grayish, terete, with stellate hairs, brownish red glandular.

Stems terete, striate, sparsely villous or glabrous.

Scape terminal, 20--40 cm, terete, smooth or minutely scabrous-denticulate, covered with leaf sheaths only at base.

pedicels usually terete, smooth, tips discoid.

branches and twigs gray-green to gray-brown, with corky wing, sometimes terete.

Branchlets green, usually arcuate, terete, angled when young, glabrous.

Stem erect, terete, much-branched, usually puberulous, rarely glabrous.

Leaflets basally usually cuneate, glabrous on both surfaces; petiole terete.

Monoecious. Stems dark brown to grayish brown when dry, terete, striate, lenticellate.

Plants not onion-scented; stem terete; fruit ribs broadly winged.

Branches terete, nodes sometimes with spines.

branches and twigs gray-green to gray-brown, terete, sturdy, striate.

Shrubs scandent. Stems terete, villous.

Monoecious. Branches and branchlets terete, brown to blackish when dry, striate.

Branchlets grayish white to grayish brown when dry, terete, slightly compressed.

Branchlets terete, brown to dark brown stellate pubescent and sparsely villose.

Current year branchlets slender, terete; leaf blade thinly leathery, abaxially pale green; sepals glabrous.

Twigs terete, densely cinnamon- or brown hirsute.

ultimate branchlets densely arranged, mostly straight, usually 4-angled, sometimes terete.

Leaf blade margin entire, reticulate veins dense and prominent; filaments terete; trees to 15 m.

Stem erect, terete and often ribbed or striate, branching.

Branchlets terete; leaf blade elliptic to obovate, abaxially glabrous, secondary veins obscure.

stigma 2-lobed, only adaxial gland present, terete, ca. as long as ovary (excluding style) bracts. Fl. Jun.

Shrubs scandent. Branchlets brown-red, terete, glabrous.

branches gray-black to gray-brown, terete, sturdy, twigs greenish, sometimes with 4 striae.

Twigs terete, densely brown- or rust-colored hirsute.

radicle terete, cotyledons thin.

Fruit parted into schizocarps; leaf axis terete.

internodes terete or flattened with successive internodes at right angles to each other.

Stems erect, terete or angular in upper part, branched from base.

Branchlets gray or grayish brown, terete, slightly pubescent.

Branchlets reddish brown when dry, slender, terete, glabrous.

branchlets terete to somewhat quadrangular.

Branchlets grayish brown, terete, glabrous.

Branchlets dark brown, terete, with gray lenticels and gray-brown stellate hairs.

branches terete, with prominent pith.

Branches and twigs terete; flowers pale yellow.

Stems flat-terete when young but later terete, glabrous.

Stem simple or branched, terete, hollow except at nodes.

Branches and petioles red when dry, nearly terete, strong, stout, striate or grooved, pilosulose or subglabrous.

branches and twigs gray-green to gray-brown, terete, sturdy.

Leaves opposite, fused at base to form short sheath, flat or terete, margin entire.

Fruit obovoid, turbinate, clavate, or terete, small, 5-ribbed or deeply 5-angled, often rough, with sessile, sticky glands.

Roots several, slender, terete.

prickles scattered and in pairs below leaves, terete, straight, to 1 cm, abruptly tapering to turgid base.

Leaves sessile, linear, terete or semiterete, apex acute or acuminate.

branchlets dark purple, terete, glabrate, lenticellate.

Branchlets terete, slender, wooly with long trichomes.

Stems numerous, prostrate-ascending, unbranched, slender, 15-30 cm, basally woody, terete, densely glandular puberulent, purple-red.

Stems terete, thick, hollow, rooting at nodes.

embryo central in seed, straight, terete.

Stem branched above, solid, terete, woody at base.

Stems climbing, terete, more than 3 m, simple, striate, glabrous.

Stem erect, terete, simple, long naked in lower part.

Stem branched, terete, 1--2 m, herbaceous or slightly woody near base, smooth or pubescent, hollow and slightly pithy.

Leaves basal or nearly so, grasslike, sometimes very narrow, flat or terete.

Branchlets brown when dry, terete or slightly compressed.

Stem creeping and branched at base, ascending, or erect, terete to weakly 4-angled.

branches and twigs gray-green to gray-brown, terete, densely verrucate.

branchlets dark purple-brown, terete, striate.

older branchlets dark brown, terete, glabrous.

Branchlets gray-brown, terete, glabrous.

Tubers basal, stems fleshy, terete , buried in sandy soil, 40-160cm tall, simple, thicker in the lower part.

Branchlets grayish white when dry, slender, terete.

branches terete, twigs striate or sometimes 4-angled, green or brown when dry.

Twigs terete; bud scales caducous.

Vines woody, twining, to 3 m. Branchlets terete, striped, twisted, glabrous or puberulent.

Branchlets grayish white when dry, terete, chaffy.

Branchlets 4-angled and densely yellow pubescent when young, becoming terete and glabrous, sparsely lenticellate.

Roots terete, much branched.

Stems arching and rooting apically, basally terete, angular in middle and apically, glabrous, rarely sparsely hairy on angles.

Lianas to 7 m. Branchlets terete to sometimes subangular, pubescent, glabrescent, with axillary double tendrils.

Stem erect, green or somewhat tinged purple, 30-100 cm tall, terete or obtusely angulate, much branched, glabrous or slightly pubescent.

Twigs terete, ca. 1. 5 mm in diam. , densely dark brown spreading glandular setose, glabrescent.

Stems obtusely 4-sided or terete, with densely patently glandular trichomes when young.

branches terete, sturdy, twigs green to light green, 4-angled.

Twigs terete, ca. 1 mm in diam. , with sparse orbicular lenticels.

Fruiting pedicels erect, appressed to stem, 4-7 mm, terete or subquadrangular, glabrous, slender, much narrower than fruit.

Branchlets nearly 4-angled to terete, pubescent when young, glabrescent.

Shrubs. Twigs terete, ca. 1. 5 mm in diam. , densely spreading brown glandular setose or setose.

Leaves basal, linear or terete.

Scape 25--30 cm, terete, angled, covered with leaf sheaths only at base.

Twigs terete, ca. 1 mm in diam. , densely brown hispidulous.

34 (33) Mid-culm internodes terete or rarely slightly sulcate above single branches.

Branchlets terete; tendrils with 6-11 branches, young apex of tendril slightly expanded as fist-shaped adhesive disks.

rachis terete, ca. 3 cm thick, densely pubescent.

Herbs perennial; rhizomes terete, ca. 5 mm thick.

Root black-brown, terete.

Rhizome usually tuberous terete, very rarely moniliform, 7--15 mm thick.

leaf blade terete, 2--27 cm, on cauline leaves tubular and distinctly septate.

leaf blade terete, 7--14 cm, inconspicuously septate, apex acute.

Stem simple, terete, 8--100 cm, smooth, hollow and slightly pithy.

Leaf blade obtuse to subcordate at base, abaxially glabrous, secondary veins 3 or 4 pairs; twigs terete; rachis and pedicels glabrous.

old branchlets at first yellowish brown, becoming gray, terete.

Ovary terete; petals ca. 5 mm, not caducous.

Scape usually tinged with purple, 10--30(--40) cm, terete, 2-angled, covered with leaf sheaths only at base.

Stem branched, terete, 1--5 m, woody, sparsely prickly.

Stems terete, ca. 1 mm in diam. , striate.

Branchlets terete, with stout brownish or white bristles to 1. 5 cm at nodes, glabrous when old.

sterile pistil shortly terete, ca. 0. 5 mm, apex inflated.

Current year branchlets terete; leaf blade oblong, 9-12 cm, base rounded, apex acute.

Rhizome moniliform or tuberous terete, 1--2 cm thick.

Branchlets terete; leaf blade elliptic to obovate, secondary veins 12-15 on each side of midvein; peduncle terete.

Leaves 1 or 2, shorter than scape, semiterete to terete, fistulous, smooth.

Stems pale brown, 4-ribbed at first, becoming terete, smooth.

Scape (15--)20--40 cm, terete, subangular, narrowly 2-winged beneath umbel, covered with leaf sheaths only at base.

Vines woody, twining, 1-10 m. Branchlets terete or angular, glabrous.

branchlets not arranged in a plane, terete or 3-, 4-, or 6-angled in cross section.

Shrubs 0. 3-1 m tall, branchlets terete, with dense brown stellate hairs, becoming glabrous.

Stems terete, ca. 2 mm in diam.

Twigs terete, ca. 8 mm in diam.

Stem branched, terete, 0. 5--3 m, scarcely or sparsely prickly.

Rhizome terete, ca. 8 cm, 3--4 mm in diam. Stem twining, ca. 1 m tall, sparsely retrorse pubescent.

Inflorescences panicles of cymes, many flowered, spreading, to 70 cm. Pedicel erect, 0. 6-1. 5 cm, terete, striate.

Branchlets terete. Seed cones globose to subglobose; cone scales 8-10.

Caudex terete, to 10 cm, ca. 1 cm in diam.

Rhizome tuberous terete, 1. 5--2 cm thick.

ovary 3-15-celled, styles connate into a terete, conical, clavate, or ovoid structure with a usually lobed or toothed apex;

Branchlets brownish to purplish brown, terete, stout, yellow tomentose and with sparse, curved small prickles. Leaves simple;

Branches yellowish green, turning purple-brown when older, terete, slender, glabrous, leaf scars closely spaced, prominent, suborbicular;

Branches alternate, dark brown, terete, sometimes slightly ridged, densely pubescent, with dark gray or brown short trichomes;

Petiole and rachis terete, sparsely covered with ferruginous stellate hairs;

Fruit (Chinese species) narrowly clavate, terete to slightly laterally flattened, apex obtuse, base caudate;

internodes green-yellow, straight, terete, smooth, initially glaucous, black powdery when old;

Fruit dehiscent siliques or silicles, linear, oblong, clavate, or rarely elliptic, terete, sessile;

Branches erect, turning purplish brown in second year, terete, slender, smooth, densely white strigose;

Shoots dark gray to brownish gray, terete, with few lenticels, initially sparsely pubescent, glabrous when old;

internodes terete, ca. 13 cm, longitudinally ribbed, flattened above branches, initially with white powdery ring below node, glabrous;

Branches turning brownish purple in second year, terete, slender, densely white strigose;

Stem erect, densely branched, slightly lustrous, terete, ribbed above, smooth;

Stems usually simple, often long, terete, sometimes spirally contorted, leafy;

Branchlets terete, with conspicuous longitudinal ridges, with dense, white or brown arachnoid tomentum and purple bristles;

Branchlets terete, with longitudinal ridges, sparsely pubescent with arachnoid tomentum;

Branchlets terete, with conspicuous longitudinal ridges, pubescent with simple and glandular hairs;

Young branchlets castaneous when dry, terete or ridged, longitudinally sulcate, densely pubescent or glabrous;

Branchlets brown or reddish brown, terete, yellowish villous, with sparse, broad based recurved prickles. Leaves simple;

branchlets purple when young, blackish brown when old, terete, scabrous and tomentose when young, verruculose, and glabrous when old;

Branchlets gray-brown, terete, longitudinally angular and sulcate, densely puberulent;

Branchlets purplish red when young, dark purplish brown when old, terete, glabrous, with scattered orbicular lenticels;

Branchlets gray-brown, terete, longitudinally angulate and sulcate, puberulent;

Fruit dehiscent siliques, linear, terete or slightly latiseptate, sessile or rarely shortly stipitate;

branchlets gray-brown, terete, with sparse orbicular or oblong lenticels, coarsely yellow-brown puberulent;

Branchlets gray-black, terete, slender, longitudinally plicate-striate;

Branchlets arching, red-brown to gray-brown, slender, terete, slightly angled, pubescent when young, later glabrous;

Young branchlets terete, longitudinally ridged, glabrous;

Branches grayish brown, terete, long flagelliform;

Branchlets reddish brown when old, terete, slender, pubescent when young, soon glabrescent, glabrous when old;

Branchlets dark red-brown when old, slender, terete, densely yellow-gray villous initially, later glabrescent;

tube terete, constricted below middle, with densely antrorse setae;

Branchlets terete, with longitudinal ridges, with sparse arachnoid tomentum when young, then falling off;

Petiole and rachis terete, minutely grayish yellow pubescent;

branchlets terete, longitudinally ribbed, grayish white;

Branchlets purple-red to red-brown, slender, terete, sparsely crisped pubescent when young, glabrescent;

Young branchlets yellow-brown when dry, terete, longitudinally angular and sulcate, glabrous;

Branchlets gray-yellow, terete, longitudinally shallowly striate-sulcate, densely pubescent;

Shrubs evergreen. Second year's branchlets gray-brown, terete, longitudinally fissured;

Male flower: adaxial and abaxial glands shortly linear or terete, divided or entire;

prickles paired at leaf bases, terete, straight, to 8 mm, abruptly flaring to a broad base;

Branchlets purplish brown when old, terete, robust, short, densely tomentose when young, glabrous when old;

Branchlets terete, those of present year grayish brown, older ones grayish brown or dark grayish brown;

Current year's branchlets purple-black when dry, terete, glabrous, longitudinally angular and sulcate;

Branching apical, dichotomous or polychotomous, terete;

Branchlets dark red when young, reddish brown or purplish brown when old, terete, pubescent when young, glabrous when old;

Branchlets terete, with longitudinal ridges, villous with brown segmented hairs;

current year branchlets terete, densely yellowish brown spreading villous;

Branchlets gray-brown, terete, with many tumor like lenticels, conspicuously prominent with age;

Branchlets dark grayish brown, terete, glabrous, with numerous small white lenticels;

Branchlets yellow-brown to dark brown, terete, densely pubescent when young, later glabrescent;

Branchlets terete, with longitudinal ridges, densely brown villous;

current year branchlets terete, slender and spreading, spreading villous;

Stem erect, terete, light green or reddish purple, ribbed, slightly pubescent or subglabrous below;

Branchlets purplish brown or blackish brown, terete, glabrous, with pale brown lenticels;

Branchlets arching, red-brown when young, dark gray-brown when old, shining, slender, terete, glabrous;

current year branchlets yellowish green to pale brown, terete, densely gray puberulent;

Fruit dehiscent siliques, linear or cylindric, terete or flattened and latiseptate, shortly stipitate or subsessile;

Branchlets terete or slightly flat with longitudinal ridges, glabrous;

current year branchlets yellowish green, terete, glabrous;

Petiole of basal leaf terete, ca. as long as blade, densely papilliferous;

Stems 4-sided when young, densely furfuraceous, becoming terete and glabrescent;