Inflorescences terminal and axillary, erect or reflexed, occasionally nodding, green or olive green, occasionally with silvery or reddish purple tint, leafless at
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pedicellate spikelet and a short secondary branch bearing two spikelets, occasionally in a solitary spikelet, usually the lower spikelet in a pair staminate
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nonflowering aerial branches, 1–5 dm, floccose or glabrous. Leaves basal, occasionally in rosettes; petiole 4–10 (–15) cm, tomentose; blade lanceolate or ovate
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aerial flowering-stems erect to spreading, usually stout, solid or hollow, occasionally fistulose, (0.8–) 2–6 dm, glabrous, rarely floccose. Leaves basal or
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Treatment on page 301. Mentioned on page 297. Herbs, usually biennial, occasionally annual, with taproot. Stems erect, sometimes decumbent at base, unbranched
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ligules 0.2-0.5 mm; blades 1.8-12 (15) cm long, 2-5 mm wide, usually flat, occasionally involute, glabrous or ciliate basally. Panicles 1.7-15 cm long, 0.2-5
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longer than wide, abruptly tapered to a rounded or broadly acute apex, occasionally attenuate; largest pinnae with 5–14 pairs of pinnules; abaxial and adaxial
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plane, erect distally, intermarginal bands absent, usually muticous, occasionally short hyaline awns present, not decurrent, costa narrow proximally; basal
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terminal, of long-pedunculate, solitary, 1-sided rames (axillary rames occasionally present) with more than 1 spikelet unit; rame internodes clavate, glabrous;
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oblanceolate; lateral segments again 1×-lobed or parted (proximal lobe occasionally lobed again); ultimate segments 10-30 (-35) mm wide. Inflorescences 1
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or strongly so, not plicate; base broadly decurrent; margins entire or occasionally slightly sinuate; apex rounded or obtuse; costa single, ending just before
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multicellular filamentous propagules with thin walls scattered along the stems or occasionally as rhizome nodules. Sexual condition dioicous; male and female plants
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rounded thick-walled cells, occasionally papillose. Gemmae absent. Sexual condition dioicous. Seta arcuate, 2–3 mm. Capsule occasionally present, emergent to
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usually present, 0.5-1 mm; ligules 0.2-0.4 (0.7) mm, usually truncate, occasionally acute, entire to erose; blades 1.5-4 mm wide, usually involute, adaxial
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2–3 (–4) cells; apex rounded, occasionally truncate or obtuse, rarely retuse, cuspidate or apiculate, cusp occasionally toothed; costa percurrent, excurrent
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cespitose. Culms (11–) 15–55 cm. Leaves: sheath summits U-shaped or rounded, occasionally prolonged to 2.5 mm beyond collar; distal ligules 0.5–2.5 mm; blades
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inflorescence, sessile or occasionally second (outer) with branch to 5 mm; spathes green or occasionally with purplish tinge, glabrous or occasionally scabrous, keels
8 KB (621 words) - 06:04, 30 July 2020
clusters, multicellular, occasionally present in leaf-axils. Sexual condition dioicous. Seta arcuate, 3–4.5 mm. Capsule occasionally present, exserted, ovoid
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margins entire, occasionally ciliate with stiff recurved hairs, apex acute to obtuse, surfaces usually hirsute, sericeous, or strigose, occasionally glabrous
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once, to 1300 µm, occasionally rudimentary or absent. Spores 9–12 µm. Distal laminal KOH reaction light to dark redbrown, occasionally deep red-orange.
9 KB (1,016 words) - 07:05, 30 July 2020