subequal

upper lemma and palea subequal, styles connate, elongate, continued into a long feathery stigma 2-branched toward its apex.

segments spreading, subequal, sometimes basally connate into a tube.

teeth subequal or sometimes middle tooth of upper lip wider than lateral teeth, sinuses with a thickened fold.

This rare race differs from the others by having glumes and lemmas narrowly acuminate , the glumes subequal to the lowest lemma.

Filaments subequal, slightly shorter than perianth segments, connate at base and adnate to perianth segments.

Fruit ribs all prominent, filiform, subequal, wingless; rootstock tuberous.

teeth subequal, close together, rarely divergent following anthesis.

Calyx teeth conspicuous, shorter than to subequal the stylopodium or obsolete.

Branches many, subequal, secondary branch undeveloped.

Branches many, central dominant, approaching size of culm, others short and subequal.

teeth 5, subequal, posterior tooth wider than other teeth, tooth sinus with a thickened fold.

Culm sheath auricles subequal; culm internodes with purple stripes initially.

palea subequal to lemma, keels close together, smooth, glabrous, hyaline between keels.

Branches several to many, clustered, subequal or central slightly dominant.

Sepals variable in shape, often convex, subequal or outer 2 smaller, persistent, often enlarged in fruit.

lateral lobes subequal to upper lip, or upper lip narrower and circular-ovate.

lower lip subequal upper, teeth obtusely triangular, apex short acuminate.

Calyx tubular; lobes subequal or upper lobe larger than others.

Calyx teeth subequal, posterior one larger, flat.

teeth 5, subequal or 3 posterior teeth longer, triangular to oblong or broadly ovate, usually longer than tube, apex spinescent.

Calyx teeth narrowly triangular. Corolla dark gray-red, to 2. 5 cm, upper lip entire, middle lobe of lower lip subequal to lateral lobes.

segments similar, equal or subequal.

Flowers small. Tepals 6, free, ascending to spreading, subequal.

lodicules 3, subequal, margins long ciliate, apex obtuse.

Stamens 8, subequal to petals in male flower, reduced and sterile in female flower.

abaxial lip 3-lobed, seldom undivided, lobes equal or subequal, apex rounded and mucronulate or acute to obtuse.

abaxial lip 3-lobed, lobes subequal or central lobe longer, apex rounded.

Sepals subequal, base subconnate.

Culm sheath auricles subequal, not covered by base of blade; sheath apically subtruncate.

lower lip spreading, 3-lobed, lobes subequal or middle lobe longer.

Glumes chartaceous, broadly lanceolate to ovate, subequal, 1-veined.

Tepals 5, rarely 1-4, erect or obliquely spreading, sometimes indurate at base after anthesis, green, equal or subequal, membranous.

Corolla blue-purple, ca. 8 mm, puberulent, lips subequal.

Calyx 4-parted, lobes subequal; corolla lobes dark blue when dry.

Calyx campanulate; lobes 5, subequal , as long as tube.

teeth 5, subequal or posterior tooth smaller.

Style apex 2-cleft, lobes subulate, subequal.

Calyx campanulate to tubular, 10-veined, 5-toothed, teeth equal or subequal.

Mid-culm branches 4 or 5; subequal, without secondary branching.

Subshrubs or perennial herbs. Leaves 3-veined. Male perianth lobes 4(or 5), valvate; female perianth lobes 4, subequal, shorter than achene.

Sepals ovate, 1-1. 2 mm, subequal, outside glabrous or with scattered short trichomes.

2 (1) Stems to 120 cm tall, ca. 12 mm in diam. at fruiting; cauline leaves below inflorescence subequal to basal leaves in size.

rachis from tip of rhizome, subequal to leaves, 2-4-branched, 5-7 mm in diam. at base, glabrous or sparsely papilliferous.

Sterile flowers with sepals 3 or 4, greenish to blue, ovate to orbicular, subequal, ca. 1. 4 cm wide.

Stem leaves crowded. Sepals sublinear-lanceolate, subequal, 5. 5-6 mm, shorter than petals. Carpels basally connate for ca. 0. 5 mm.

Pedicel very short. Calyx 3--3. 7 cm, split nearly to base on 1 side, apex 3-lobed, lobes subequal.

dorsal and intermediate ribs slightly thickened, corky, or somewhat protruding, filiform, subequal;

Leaves few, spread along stem, rarely crowded near apex, opposite, unequal or subequal, rarely equal in a pair;

Leaves few to many, along stem, then opposite, whorled, or alternate or basal, equal to subequal in a pair;

Leaves few, opposite, often crowded on short branches, equal to subequal in a pair;

glumes subequal, membranous or thinly cartilaginous;

upper lip teeth divisions nearly to lip base, teeth subequal, triangular, apex acuminate;

Stamens twice as many as perianth, subequal in length, inclined to one side;

bracts absent; rays many, subequal, thick, congested;

Filaments subequal, longer than perianth segments, connate at base and adnate to perianth segments for ca. 1 mm;

Leaves few to many, opposite, equal to subequal in a pair;

lower floret staminate, subequal to lower glume;

teeth of upper lip ovate-triangular, subequal;

lobes ovate-triangular, subequal, apex acute, with 2 petaloid plaits;

calyx 8-veined, veins minutely hispid, posterior teeth subequal;

Stamens 4, subequal, ascending beneath upper corolla lip;

teeth 5, triangular to linear, subequal or posterior teeth much longer;

teeth 5, subequal, anterior teeth slightly longer;

Stamens 4, subequal, included in upper lip or slightly exserted;

upper glume subequal to lower glume, scabrid along keel, apex acute;

Stamens 4, inserted at corolla throat, exserted, subequal or posterior 2 slightly longer;

ovary oblong, glabrous, with 3 subequal wings, placentae parietal;

Stamens 4, subequal or anterior 2 longer, inserted on apical half of corolla tube;

Style subequal to stamens, apex 2-cleft;

lower lip lobes oblong, subequal, ca. 12 X 1 cm, middle lobe sometimes further 2-lobed;

glumes mostly strongly keeled, unequal, or subequal, lower glume 1- or 3-veined, upper glume 3(or 5)-veined;