elliptic-obovate or obovate, 8–30 (–50) × 4–15 (–25) mm, margins flat, apex acute to obtuse; middle stem-leaves 1.1–2.1 (–3.4) times as long as adjacent branch
8 KB (779 words) - 10:09, 30 July 2020
subapical, filiform to tapered, papillate-swollen in proximal 1/10–1/3 (–2/3), (1–) 1.5–3 mm. Achenes smooth. North America, Mexico Species 7 or more (7
18 KB (1,044 words) - 13:56, 30 July 2020
0.5–1.2 (–1.5) × 0.4–0.9 (–1) cm, subsessile to short-petiolulate, base cuneate, margins revolute, distal 1/2 incised 1/2–3/4 to midvein, teeth (1–) 2–3
10 KB (1,022 words) - 14:02, 30 July 2020
Ray-florets 1–6; laminae (1.5–) 2–3 (–4) × ca. 1 mm. Disc-florets 3–6 (–9); corollas 2–3 (–4) mm, lobes (0.5–) 1–1.5 (–2) mm. Cypselae 1–2 (–2.5) mm, moderately
9 KB (779 words) - 21:35, 29 July 2020
grooves; internodes 1–6 cm. Terminal buds conic, 1–3 mm, apex obtuse. Leaves opposite (rarely in whorls of 3), 2–4 (–8) mm, connate to 1/2–3/4 their length;
7 KB (419 words) - 00:26, 30 July 2020
longitudinal grooves; internodes 1–5 cm. Terminal buds conic, 1–3 mm, apex obtuse. Leaves opposite, 1–3 mm, connate to 1/2–3/4 their length; bases membranous
7 KB (385 words) - 00:27, 30 July 2020
end of peduncle. Pedicels jointed, (0.4–) 1–2.2 (–3.4) mm, puberulent; bracts flabellate or ovate to obovate, 3–7 (–8.8) mm, pubescent, stipitate-glandular
10 KB (562 words) - 12:59, 30 July 2020
uninflated, lanceolate, 8.7–12.1 × 1.3–2.1 mm, 4–7 times as long as wide, apex tapered, bidentulate; beak absent. Achenes 2.2–3 × 1.2–1.7 mm. Phenology: Fruiting
6 KB (574 words) - 02:17, 30 July 2020
hairy (hairs to 1 mm), peglike-glandular, not bristly; leaflet pairs (2–) 3 (–4); terminal leaflet broadly obovate, (1–) 2–3 (–4) × 1.5–3 cm, teeth usually
6 KB (669 words) - 14:10, 30 July 2020
developed or much reduced. Pedicels 2–36 mm, 1/2–4 times subtending leaves. Flowers: sepals 1.8–5.9 mm, connate 1/2–3/4 lengths; corolla-tube and adaxial
7 KB (524 words) - 19:22, 29 July 2020
spreading or pendent, cylindric; terminal 1–3 spikes staminate. Pistillate scales narrowly ovate, 3.9–5.2 × 1.2–2.4 mm, shorter than perigynia, margins entire
7 KB (540 words) - 02:16, 30 July 2020
papillate, smooth; internodes 1–5 cm. Terminal buds conic, 1–2 mm, apex obtuse. Leaves opposite, 2–5 mm, connate to 1/2–3/4 their length, not photosynthetic;
7 KB (395 words) - 00:29, 30 July 2020
glabrous. Racemes simple, 1–10, exceeding basal leaves, each 5–25-flowered; bracts lanceolate, 5–15 x 1–5 mm, 1-pinnatifid 1/2–3/4 to midrib, proximal margins
6 KB (492 words) - 19:29, 29 July 2020
scaly, 1.4–3.5 × 3.3–9.2 cm, 0.3–0.5 times taller than long; scales (1–) 2–3 (–4) -segmented, longest 1.1–3.4 cm; stem roots absent. Stems to 1.7 m. Buds
10 KB (944 words) - 05:44, 30 July 2020
0.5–1.5 (–2) × 0.5–1 (–1.3) cm, distal (1/2–) 2/3 to whole margin pinnately incised 3/4+ to midvein, ultimate teeth 5–10, linear-oblanceolate, 1.5–8 (–10)
10 KB (1,006 words) - 13:58, 30 July 2020
abaxially, 5.4–8.5 × 1.2–1.7 cm; petals 5.3–8 × 1.2–2 cm; stamens barely exserted; filaments ± parallel to style, barely spreading, diverging only 4°–6° from
12 KB (1,206 words) - 05:44, 30 July 2020
oblanceolate-elliptic, (1.5–) 2–5 (–6) × 0.5–1.2 (–1.5) cm, margins flat, distal (1/4–) 1/2–3/4 evenly incised 1/4–1/3 to midvein, undivided medial blade 4–11 mm wide
10 KB (1,019 words) - 13:57, 30 July 2020
seldom pink, laminae (3–) 3.8–5.4 (–6.2) × 0.5–1.1 mm. Disc-florets 7–17; corollas yellow becoming brown, (2.2–) 2.5–2.9 (–3.1) mm, tubes shorter than
13 KB (778 words) - 21:05, 29 July 2020
pale, spongy region 0.8–1.1 mm wide at base, 1/2–3/4 of achene width. Tubercles dark-brown, lamelliform to pyramidal, 0.1–0.5 × 0.2–0.5 mm. Phenology: Fruiting
8 KB (673 words) - 01:31, 30 July 2020
ovate, 0.8–1.3 mm; hypanthium shallowly cupulate, ± 1 × 2–3 (–4) mm; sepals 1.5–2.3 mm, ± acute; petals yellow, oblanceolate to spatulate, 2–3.2 mm; stamens
8 KB (783 words) - 14:04, 30 July 2020