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- commonly proliferous and forming clones. Stems upright, forming caudex, to 1.6cm thick (cormlike in O. crotalophoroides); gemmae absent. Trophophores erect9 KB (450 words) - 00:29, 30 July 2020
- margins, each surrounded by 5–7 epithelial cells. Seed-cones 2–3 × 1.3–1.6cm, on curved stalks 2.5–4.5 × 3.5–5mm; scales 45–55, margins entire, adaxial6 KB (518 words) - 00:22, 30 July 2020
- broadly ovoid to nearly globose when open, 2–6cm, tan to pale redbrown, lustrous, nearly sessile or on stalks to 1cm; apophyses nearly rhombic, variously elongate8 KB (587 words) - 00:25, 30 July 2020
- through which leaves emerge at top, leaves 2 per stem. Trophophore stalk to 0.6cm, 0.1-0.2 times as long as trophophore blade. Trophophore blade lying nearly5 KB (503 words) - 00:26, 30 July 2020
- ovoid to depressed-globose when open, 3–6cm, dull gray-brown to tan or greenish gray, nearly sessile or on stalks to 1cm, scales lacking contrasting border8 KB (555 words) - 00:33, 30 July 2020
- 10. Stems erect, to 8 cm, glabrous or puberulent. Leaves sessile; blade linear to narrowly lanceolate or oblanceolate, 1.5–6cm, surfaces glabrate. Inflorescences6 KB (676 words) - 21:02, 7 June 2022
- symmetric, ovoid before opening, broadly ovoid to nearly globose when open, 3.5–6cm, light-redbrown, nearly sessile; apophyses slightly thickened, slightly raised6 KB (479 words) - 00:24, 30 July 2020
- light-redbrown, 0.5–0.7cm, resinous; scale margins fringed. Leaves 1 (–2) per fascicle, ascending, persisting 4–6 (–10) years, 2–6cm × 1.3–2 (–2.5) mm, curved7 KB (500 words) - 00:29, 30 July 2020
- ovoid, light-redbrown, ca. 0.4–0.5cm, slightly resinous. Leaves (3–) 4 (–5) per fascicle, persisting 3–4 years, (2–) 3–6cm × (1–) 1.2–1.7mm, curved, connivent7 KB (490 words) - 00:26, 30 July 2020
- 2–0.6 cm; blade spatulate to oblong, 0.8–1.6cm × 3–5 mm, base cuneate, margins entire, apex obtuse. Cauline leaves sessile; blade 0.5–1.7 (–2) cm × 3–57 KB (734 words) - 12:28, 30 July 2020
- resinous, margins entire, apex pointed or slightly rounded. Leaves (1–) 2–6cm × l. 5–2.5mm, 2-ranked, flexible, with leaves at center of branch segment9 KB (660 words) - 00:29, 30 July 2020
- lines, margins finely serrulate, apex acute to short-subulate; sheath 0.3–0.6cm, semipersistent. Pollen cones cylindric, 10–15mm, yellow to orangebrown. Seed-cones8 KB (559 words) - 00:34, 30 July 2020
- triangular, glabrous, not resinous, margins entire, apex sharp-pointed. Leaves 1.5–6cm × 2–3mm, mostly 2-ranked, flexible, proximal portion ±straight; cross-section10 KB (819 words) - 00:29, 30 July 2020
- triangular, glabrous, not resinous, margins entire, apex sharp-pointed. Leaves 2.5–6cm × 3mm, 2-ranked to spiraled, stiff; cross-section flat, with raised vein abaxially7 KB (500 words) - 00:33, 30 July 2020
- pale redbrown, 0.5–1.2cm, slightly resinous. Leaves (2–) 3 (–4) per fascicle, spreading to upcurved, persisting 3–4 years, 2–6cm × 0.6–0.9 (–1) mm, connivent8 KB (610 words) - 00:22, 30 July 2020
- opening, broadly lance-cylindric when open, 15–25cm, creamy brown to light yellowbrown, stalks to 6cm; apophyses somewhat thickened, strongly cross-keeled8 KB (530 words) - 00:23, 30 July 2020
- sparsely pubescent, not resinous, margins entire, apex sharp-pointed. Leaves 2–6cm × 2–3mm, mostly 2-ranked, flexible, proximal portion ± straight; cross-section7 KB (521 words) - 00:30, 30 July 2020
- Asteraceae (section Key to Genera of Group 6 Heads eradiate; receptacles paleate; pappi wholly of bristles)Treatment appears in FNA Volume 19. Treatment on page 3. Mentioned on page 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, 70. Annuals, biennials, perennials, subshrubs275 KB (5,940 words) - 15:30, 15 December 2020
- inflorescence branches usually without obvious bracts. Spikelets with (0-1) 2 (3-6) glumes (empty bracts) subtending 1-60 florets, glumes and florets distichously35 KB (1,876 words) - 02:36, 30 July 2020
- Involucres 1–8 or more per cluster, narrowly turbinate to campanulate; teeth (3–) 5–6 (–10), erect or occasionally spreading, apex acute to obtuse or rounded. Flowers80 KB (1,352 words) - 10:29, 30 July 2020