to 13 × 4 mm. Flowers: styles 2-fid or with to ca. 1/2 3-fid. Achenes biconvex or rarely to ca. 1/2 trigonous; angles keeled (costate), at least distally
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straight; ovules 22–70 per ovary; style 0.1–2.5 mm; stigma subentire. Seeds ovoid to oblong, 1.5–2.1 × 1–1.5 mm; wing 0.1–0.5 mm wide, continuous. Generated Map
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bisexual or pistillate spikelets. Glumes subequal, exceeding the florets, 1-5-veined, keeled, keels often conspicuously winged; lower (sterile) florets
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broadly elliptic, 1.5–11 × 0.5–4 cm, entire or lobed to relatively deeply pinnatifid, faces hairy. Heads (erect to nodding, peduncles 0 or 2–5 mm) in congested
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Volume 5. Treatment on page 604. Illustrator: John Myers Copyright: Flora of North America Association Rootstock erect. Leaf-blades 1–15 cm × 0.5–3 mm,
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distribution; petiole 2–5 mm; blade dull light green abaxially, shiny dark green adaxially, oblong-ovate to oblong-lanceolate, 2–5 × 1.5–2.5 cm, base truncate to
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153, 160, 162. Plants perennial, caulescent, not stoloniferous, 1.5–25 cm. Stems 1–5 (–7), decumbent or spreading to erect, leafy proximally and distally
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truncate, or emarginate; ovules 4–10 per ovary; style (0.4–) 1.1–4.2 mm. Seeds brown, 1.1–2.1 mm, minutely reticulate. Generated Map Legacy Map Ariz., Calif
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page 219, 360, 361, 370. Perennials, 5–80 cm; rhizomatous or taprooted (roots vertical, rhizomes spreading). Stems 1–5+, (green to gray-green, rushlike, ±
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or scabridulous, 1 (2) -veined, acuminate, unawned or awned, awns to 1 mm; lower glumes 4-12 mm; upper glumes 7-25 mm; calluses 0.5-1.8 mm; lemmas 6-16
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usually hispidulous). Cypselae obpyramidal to clavate, ± 4-angled (lengths 1–1.5+ diams.), sparsely to densely hairy (at least proximally, hairs straight);
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racemes, sometimes spikelike, usually with more than 1 spikelet associated with each node; branches 1-3 per node, appressed or spreading, usually glabrous
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ovule 1. Fruits accessory; aggregated achenes, 30 (or less) –150, borne on enlarged torus, superficial or embedded in torus flesh, ovate or ± ovoid, 1–2 mm
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Receptacles flat to conic, pitted (hairy, hairs 1-seriate, swollen, apically hooked), epaleate. Ray-florets 1–30, pistillate, fertile; corollas yellow or white
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branches; branches (1) 2-20, 1-sided, with 2 rows of solitary, subsessile, appressed, imbricate spikelets. Spikelets laterally compressed, with 1 (-3) florets
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pedicel 6–32 cm. Capsules 2.2–5.7 × 1.2–2.1 cm, 1.5–3.7 times longer than wide. Seeds 123–264. Generated Map Legacy Map Calif., Oreg. Subspecies 5 (5 in the
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sheaths (2.0) 2.9-4.4 (6.5) cm long, (1.5) 2.3-3.4 (4.4) mm wide; peduncles (1) 6-14 (60) mm, with 2 (4) rames; rames (1) 1.7-2.5 (3.5) cm, exserted or not at
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± entire length of ovary, free from ovary to 1.5 mm, green, greenish white, or greenish yellow; sepals 5, white, greenish white, greenish, yellowish green
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lemmas 2.6-7 mm, lanceolate, apices acute; anthers 3, vestigial (0.1-0.2 mm) or (1.3) 1.8-4 mm. The seven species of the Poa nervosa complex are typically
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apex toothed and usually with 2 or more lateral teeth. Seeds tan or brown, 1.5–2.5 mm wide. Generated Map Legacy Map Alta., Man., Sask., Ariz., Calif., Colo
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