subglabrous

Stem solitary, stout, subglabrous, paniculate-branched, lower branches alternate, upper branches verticillate.

Pedicels subglabrous; fruit sparsely short hairy or glabrous, ribs irregularly denticulate, denticles stiff-membranous.

distal bracts narrow, membranous, others herbaceous, usually shorter than pedicel, densely ciliate, subglabrous on both surfaces.

Old branches subglabrous, with longitudinally exfoliating bark, young branches densely gray lanate-tomentose.

pedicels slightly or not exceeding leaves, slender, puberulous or subglabrous, 2-bracteolate at or slightly below middle; bracteoles linear.

Leaf blade elliptic to suborbicular, abaxially subglabrous, apex with a membranous acumen ca. as long as or longer than blade.

branches gray-green, sometimes light reddish, slightly compressed, subglabrous.

Annual branches densely light yellow-brown or light reddish pilose, or subglabrous. Leaves spreading sericeous.

Leaf blade broadly elliptic, densely pubescent abaxially, especially along midrib and veins; inflorescence glabrous or subglabrous.

Lower stems and abaxial leaf blade subglabrous, otherwise sparsely covered with multicellular hairs; male panicles to 10 cm.

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

Inflorescences conical panicles. Calyx green and slightly purplish, cup-shaped, unequally 5-dentate, densely pubescent to subglabrous.

Herbs perennial, bearing leafy stolons, glabrous or subglabrous throughout.

Stem robust, simple or branched, glabrous or subglabrous in lower part, densely or sparsely yellow-brown long hairy in upper part.

Leaves, pedicels, calyx, and ovary subglabrous or only sparsely pubescent along veins on abaxial leaf surface.

Petiole, leaf blade, and inflorescence subglabrous; leaf blade base broadly cuneate.

Stems simple or rarely branched, pubescent to subglabrous, hairs always eglandular.

Herbs annual. Stems slender, diffuse, sparsely short strigose or subglabrous.

Branchlets yellow-brown, with small lenticels, densely yellow-brown pilose when young, becoming brown and subglabrous.

Young branchlets and inflorescences thinly villous, rarely subglabrous.

Stems subglabrous or with sparse, upwardly curved, puberulent hairs on angles.

anthers minute, subglabrous, without an appendage.

Branchlets reddish brown or grayish brown, slender, initially strigose, subglabrous or glabrous when old.

Leaf blade subglabrous on both surfaces, abaxially brownish red glandular; branches ascending.

Branchlets and leaf blade glabrous or sparsely pubescent when young, later subglabrous. Ovary and fruit glabrous.

Stems subglabrous. Leaves glabrous, dotted or some-times sparsely pubescent along veins abaxially.

branchlets greenish brown or dark brown, silky tomentose when young, glabrescent or subglabrous, shiny.

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

Pedicels ca. 7 mm at anthesis, subglabrous or sparsely pubescent with glandular, multicellular hairs.

Corolla white or yellowish green, 4-lobed, subglabrous, outside glandular, villous in throat.

Winter buds solitary or 2 parallel, purplish red, sometimes subglabrous or ciliate at scale margins.

Leaf blades glabrescent, subglabrous, or sparsely hairy only on veins abaxially.

Spines stout, to 3 cm. Calyx glabrous or subglabrous. Ovary and fruit glabrous, not stalked glandular.

branchlets dark brown, brown villous when young but becoming subglabrous.

leaf blade rhomboidal to broadly ovate, base cuneate, sometimes broadly cuneate, with 2 or 3 pairs of lobes, subglabrous on both surfaces.

tube ca. 5 mm, outside subglabrous and glandular, villous in throat. Stamens exserted.

Leaf base shallowly cordate; inflorescences and abaxial surface of calyx subglabrous or sparsely hairy.

Branches stramineous when dry, strong, stout, with 5 conspicuous ridges, subglabrous.

The leaf blade is adaxially sometimes densely white puberulous, but often subglabrous or glabrous.

Leaf blade lobes and lobules contiguous or overlapping. Sepals 7 or 8, white. Achene body glabrous or subglabrous.

Rhizomes absent. Stems several from rosette, scapiform, subequaling leaves, ca. 2 mm in diam. , subglabrous to densely hispidulous.

Stem and raceme subglabrous or with sparse hairs. Spur cylindric-subulate, base 3--5 mm in diam. Ovaries glabrous.

basal bracts similar to stem leaves, upper ones ovate-lanceolate to lanceolate, 4-11 mm, subglabrous.

Stems subglabrous or stellate puberulent, rooting at nodes; mericarps with 2 short awns.

Aerial stems 6-40 cm, simple or sparsely branched, glandular hairy, rarely subglabrous.

Calyx lobes lanceolate to ovate-lanceolate, more than 1. 5 mm wide, inside subglabrous.

Branchlets reddish brown, initially densely pubescent, turning light brown or gray and glabrous or subglabrous in 2nd or 3rd year.

Calyx lobes oblong to ovate, ca. 1. 5 mm, appressed pubescent outside, subglabrous inside.

Leaves undivided or with 1 lobule on each side near base, subglabrous or sparsely puberulous.

Stem and branches hispid or subglabrous; perianth (including wings) 7-10 mm in diam. in fruit.

Leaf blade abaxially subglabrous, or sparsely puberulous only along midvein and lateral veins.

Calyx lobes oblong to broadly ovate, ca. 0. 5 mm, sparsely pubescent or subglabrous.

Stems often simple, 2-10 cm tall, sparsely pubescent or subglabrous.

Winter buds ovoid, ca. 8 mm, subglabrous.

Flowers and fruit more than 1 cm, to 1. 5 cm in diam. ; aggregate fruit sparsely hairy or subglabrous.

buds purple-red, long ovoid, with 3 or 4 subglabrous scales, apex acute.

Flowers 2-2. 2 cm; leaves subglabrous or abaxially sparsely and finely pubescent along veins, minutely yellow glandular.

buds purple-red, ovoid, with 3 or 4 subglabrous scales, apex acute.

6 (5) Branchlets, pedicels, and leaves abaxially tomentose when young, subglabrous when mature.

Leaf blade abaxially sparsely pilose or subglabrous; cymes in clusters of 2-6.

Plants 25--40 cm tall, glabrous or subglabrous.

Trees to 5 m tall, subglabrous.

Male catkin peduncle 7-9 mm, with 2 or 3 obovate-lanceolate leaflets 2-3 cm. Female catkin bracts subglabrous adaxially.

Culm sheaths green, brown spotted or not, base subglabrous, margins brown ciliate, apex broad and concave;

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

petiole inconspicuous or nearly absent on young leaves, to 4 cm at fruiting, narrowly winged in upper part, stiffly hairy or subglabrous;

Leaf sheaths densely villous to hirsute with tubercle-based hairs, or subglabrous;

rachis and pedicels tomentose-villous, subglabrous or glabrous when old;

Sepals greenish and purple along veins, subglabrous or sparsely ciliate;

stipules dark brown, membranous, abaxially subglabrous;

Trees or shrubs. One-year-old branchlets grayish chestnut colored, subglabrous or pubescent;

Branchlets dark brown, slender, sparsely yellow brown hairy or subglabrous;

Stems usually branched, slender, distinctly 4-ribbed to narrowly 4-winged, glabrous or subglabrous;

bracts brown, lanceolate to ovate, ca. 3 cm, subglabrous except hairy at base;

Staminal tube purple, 7-8 mm, with longitudinal stripes, glabrous or subglabrous, apical margin with 10 narrow lobes;

tube sparsely pilose or subglabrous, pilose annulate inside, ca. 3 mm wide at base, adaxially gradually dilated to 1. 4 cm wide at throat;

Petiole subglabrous, 7-18 cm but leaf subsessile below inflorescence;

Inflorescence terminal, 7. 5-12 cm tall, pilose or subglabrous, with very few flowers;

petiole 10-40 cm, subglabrous or sparsely puberulous near apex, unarmed;

Leaves of short branchlets with petiole terete, 2-4 cm, subglabrous or glabrous;

Petals 5, lanceolate, ca. 2. 5 mm, abaxially villous at base or subglabrous, long clawed;

Pseudostems ca. 1. 8 m. Leaf sheath subglabrous;

petiole 1. 7--8 cm, sparsely to densely puberulous or subglabrous;