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- Stems usually 1, usually erect, (terete or 4-angled, often striate or sulcate) branched distally or ± throughout. Leaves usually cauline; usually opposite22 KB (1,036 words) - 23:27, 29 July 2020
- lanceoloid or terete, 5–20 × 3–5 mm; scales pale to dark redbrown, midribs usually stramineous, smooth; proximal 1 or 2 scales often resembling involucral-bracts7 KB (620 words) - 01:40, 30 July 2020
- glabrous or sparsely stipitate-glandular to densely hirsute; pappi usually stramineous, rarely tawny, bristles barbellate to ± subplumose. 2n = 38, 57, 766 KB (649 words) - 23:59, 29 July 2020
- linear to linear-lanceolate, glabrous to loosely cobwebby, inner usually stramineous (sometimes purplish), margins with minute spreading or reflexed hairs5 KB (610 words) - 20:01, 29 July 2020
- often present) and/or cauline; mostly opposite (usually 1–10 pairs, distalmost sometimes alternate and usually smaller); petiolate or sessile; blades mostly16 KB (834 words) - 23:57, 29 July 2020
- large, occasionally quite small, in loose to moderately dense mats, usually pale stramineous, occasionally light green, very rarely deep green. Stems to 109 KB (721 words) - 07:47, 30 July 2020
- to ovatelanceolate, 4–9.2 × 2–4 mm (equal); petals (abaxial pair) usually stramineous to yellowish green, rarely pale-purple, (adaxial pair) purple, (slightly8 KB (879 words) - 11:59, 30 July 2020
- cuneate, margins usually entire, usually plane, slightly undulate, or crispate, rarely undulate-erose, apex acute, obtuse, or emarginate, usually mucronulate32 KB (1,366 words) - 09:41, 30 July 2020
- 3-18 mm wide, linear, spreading. Panicles 13-50 cm long, 7-24 cm wide, usually more than 1/2 as long as the plants, included at the base or exserted at8 KB (1,228 words) - 04:06, 30 July 2020
- cymiform, or paniculiform arrays. Calyculi usually of 3–8 (–21+) bractlets or bracts (usually ± herbaceous, usually shorter than phyllaries and/or reflexed12 KB (744 words) - 23:22, 29 July 2020
- in the sheaths in some species; branch axes flattened, usually narrowly to broadly winged, usually terminating in a spikelet, sometimes extending beyond22 KB (1,167 words) - 04:18, 30 July 2020
- stamens 1–3; styles linear, 2–3-fid, base (tubercle) usually persistent, usually enlarged, usually different in appearance from achene. Achenes biconvex13 KB (1,127 words) - 02:15, 30 July 2020
- species with erect capsules usually straight. Seta redbrown, usually dark redbrown with age, rarely cherry red or orangish, usually long (5–20 times capsule28 KB (900 words) - 07:47, 30 July 2020
- constitute an involucre, usually number 5–21(–50+), usually are unequal (outermost usually shorter than the inner), and usually are arranged ± imbricately275 KB (5,940 words) - 15:30, 15 December 2020
- perennials, subshrubs, or shrubs, 3–350 cm (usually, rarely not, aromatic). Stems 1–10+, usually erect, usually branched, glabrous or hairy (hairs basi or14 KB (1,396 words) - 20:45, 29 July 2020
- (apices usually acute, sometimes apiculate or spinulose), faces glabrous or hairy, sometimes gland-dotted, often resinous. Heads discoid (usually short-pedunculate)12 KB (864 words) - 21:46, 29 July 2020
- proximally stramineous (to reddish), distally stramineous or green with a tooth usually present on some or all culms. Culms with their spikelets usually fruiting5 KB (705 words) - 01:29, 30 July 2020
- hairy (usually arachnose to tomentose, often glabrescent). Heads (sometimes nodding) usually radiate or discoid (rarely quasi-disciform), usually in corymbiform30 KB (1,295 words) - 21:10, 29 July 2020
- sometimes woody, branched; stolons produced in some taxa). Stems usually 1, usually erect, usually branched distally, sometimes throughout, sometimes scapiform26 KB (1,108 words) - 20:14, 29 July 2020
- strongly reflexed, usually lanceolate, sometimes ovate to triangular; petals 5, usually white, sometimes pink to rose-veined or cream, usually narrowly oblanceolate-elliptic16 KB (987 words) - 14:06, 30 July 2020