Stems ascending to erect, not or narrowly winged on angles, (20–) 40–130 cm. Leaves sessile; blade oblanceolate to narrowly oblong or elliptic-lanceolate
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of North America Association Stems ovoid or ovoid-cylindric, 10–63 × 7.5–30 cm; ribs 13–17, undulate or crenate. Spines 12–16 (–28) per areole; central
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Scapes 15–60 cm, shorter than pitchers; bracts 1–2 cm. Flowers strongly ill-scented; sepals yellowish green, 3–5 × 2–3.5 cm; petals yellow, distal portion ovate
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annual, cespitose. Culms (1–) 10–30 (–60) together, roundly trigonous proximally, trigonous distally, (0.5–) 3–6 (–12) cm × (0.2–) 0.4–0.8 mm, glabrous.
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ascending to erect, 14–40 (–60) cm, glabrous. Leaves basal and cauline, glabrous; basal and proximal cauline 40–65 (–110) × 8–20 (–30) mm, blade obovate, base
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to erect, 32–100 cm, glabrous, slightly glaucous. Leaves glabrous, not glaucous; basal and proximal cauline 40–80 (–150) × 14–40 (–60) mm, blade spatulate
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cymiform arrays (to 7 cm wide), rarely borne singly, not overtopped by distal leaves. Involucres hemispheric, 8–12 × 9–15 mm. Phyllaries 40–60+ in 3–5 series
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Plants to 50–300 cm. Basal leaves: petioles hollow (sometimes only at base), 15–50 cm, thinly to densely cobwebby; blades 30–60 × 15–35 cm, coarsely dentate
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rhizomatous. Culms trigonous, (30–) 45–80 cm × (0.8–) 1.2–2.2 mm, glabrous. Leaves flat to V-shaped, becoming trigonous apically, 15–30 cm × 0.5–3.2 mm. Inflorescences:
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3–6 (–10), (1–) 3–6 (–18) cm, rays and rachis hispidulous; bracts 4–8 (–10), ascending at 30–60°, V-shaped, (2–) 10–25 (–45) cm × (1–) 3–6 (–8) mm; rachilla
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Culms trigonous, basally tuberous thickened, 15–40 cm × 1–2.5 mm, glabrous. Leaves flat to V-shaped, 10–30 cm × 1–2 mm. Inflorescences: spike 1, densely oblong
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Yevonn Wilson-Ramsey Copyright: Flora of North America Association Plants 30–90 cm. Stems sparsely pubescent proximally, nearly glabrous distally. Leaves:
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Association Roots clustered at soil contacts of horizontal stem, 5–30 × 0.4–0.6 cm. Horizontal stems with leaves remote, linear-needlelike, recurved at
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North America Association Stems erect to procumbent and vinelike, 10–20 (–60) dm; bark of canes green to light-brown; prickles infrastipular and internodal
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Mentioned on page 125, 126, 129, 134. Stems ascending to erect, (2–) 6–60 cm, retrorsely hairy, sometimes also villous or glandular-villous, or glabrate
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linear, terete, 4–12-nerved, faces glabrous or villous; pappi persistent, of 30–60 whitish, ± equal, brittle or flexible, fine, barbellate, apically attenuate
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(–8), (1–) 3–8 (–16) cm, glabrous; 2d order rays (0–) 1–5, 5–15 (–50) mm; bracts 4–7, ascending at 30–45°, pleated, (5–) 20–40 (–60) × (2–) 3–8 (–11) mm;
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238. Herbs or subshrubs. Stems decumbent to ascending or erect, (5–) 10–30 (–47) cm, puberulent or retrorsely hairy, hairs pointed, not glaucous. Leaves cauline
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glaucous. Stems prostrate and spreading, branched, rooting at some nodes, 20–60+ cm. Leaves opposite; stipules persistent, divided into 3–5 subulate to filiform
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5–10 (–15) cm; leaflets usually abaxially glaucous, adaxially green, sometimes silvery-silky, often aging reddish, 1.5–10 (–12) × (0.8–) 1–5 cm. Pedicels
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