also loculicidal. Seeds ca. 200, yellow to brown or black, oblong to obpyramidal or short-cylindric, wings absent. × = 9. North America, Mexico, Central
12 KB (470 words) - 19:19, 29 July 2020
zygomorphic), tubes much shorter than narrowly funnelform throats, lobes 5, ovate to deltate (equal or unequal). Cypselae obpyramidal, glabrous or shaggily hairy;
6 KB (509 words) - 22:34, 29 July 2020
cm wide, apex narrowly acute, surfaces not farinose, glaucous at least when young. Inflorescences: cyme (red), 2–3-branched, obpyramidal; branches not
6 KB (589 words) - 13:01, 30 July 2020
corollas yellow, tubes shorter than narrowly campanulate throats, lobes 5, triangular. Cypselae (purplish black) obpyramidal, slightly compressed; pappi 0,
6 KB (532 words) - 23:09, 29 July 2020
cylindric-campanulate throats, lobes 5, ± deltate. Cypselae obconic or obpyramidal, glabrous or hairy; pappi 0, or persistent, of 2–11 (–15) usually aristate
15 KB (1,046 words) - 22:37, 29 July 2020
(midcauline) 3-lobed or 5-lobed or foliolate; blades or leaflets broadly to narrowly oblong to ovate, ultimate margins entire, faces sparsely to moderately
7 KB (567 words) - 00:02, 30 July 2020
lanceolate-elliptic or very narrowly elliptic to linear, sometimes to oblanceolate or oblanceolate-elliptic near base, 1.8–10 × 0.2–1.3 (–2) cm, base narrowly cuneate or
11 KB (932 words) - 21:01, 7 June 2022
filament length. Capsules exserted, chestnut-brown, 1-locular, narrowly obpyriform to narrowly ovoid, 2.4–2.9 mm, apex acute, valves separating at dehiscence
6 KB (439 words) - 00:52, 30 July 2020
alternate; stipules narrowly ovate or lanceolate, 0.15–0.3 × 0.05–0.15 mm; stolons: petiole attenuate, 0.2–0.5 cm, blade narrowly to very narrowly elliptic, 1–2
12 KB (886 words) - 21:01, 7 June 2022
inflorescence. Leaves opposite; stipules narrowly deltate, 0.05–0.1 × 0.05–0.1 mm; petiole narrowly winged, 0.3–2.3 cm, blade narrowly elliptic to broadly lanceolate-elliptic
12 KB (1,093 words) - 21:01, 7 June 2022
cm, blade elliptic, oblanceolate, or narrowly oblanceolate to sublinear, 2–7.5 × 0.2–0.8 (–1.4) cm, base narrowly cuneate, sometimes attenuate, margins
10 KB (885 words) - 21:01, 7 June 2022
usually deeply staining in aniline blue. Fruits obpyramidal, 4–6 mm. Seeds (1–) 6 (–14), tan, narrowly oblong to obovate, (2–) 3–4 mm. 2n = 24. Phenology:
8 KB (706 words) - 00:56, 30 July 2020
± villous (hairs jointed). Peduncles 3–10 (–20) cm. Phyllaries 18–28+, narrowly triangular to linear-attenuate, 6–14+ mm, usually ciliate with jointed
8 KB (767 words) - 22:35, 29 July 2020
1.5–3 × 1.2–2 mm, margins entire, apex narrowly acute or acuminate, surfaces glabrous; petals 0 (–3), narrowly elliptic or spatulate, 1–2.5 × 0.5–1 mm
10 KB (826 words) - 21:01, 7 June 2022
rhombic or obpyramidal, never racemiform; leaves waxy, not fleshy, sometimes 3-nerved; caudices short to long rhizomatous > 4 2 Phyllaries narrowly ovate to
7 KB (604 words) - 21:38, 29 July 2020
1 Involucres narrowly cylindric, (1–)2–3 mm diam.; phyllaries 4 or 5(–6) in ± 1–2 series; florets 4 or 5(–6) > 2 1 Involucres campanulate, cylindric, ellipsoid
17 KB (728 words) - 22:41, 29 July 2020
subshrubs, 30–45+ cm. Leaves cauline; petiolar bases essentially none; blades narrowly spatulate or linear, 2–6 cm × 3–5 (–8+) mm, margins entire, faces sparsely
6 KB (541 words) - 22:34, 29 July 2020
tuft of erect, white, soft hairs, especially when immature, narrowly lanceolate to narrowly ovate, 3–5-lobed; lobes ascending, linear to lanceolate, long
8 KB (638 words) - 18:53, 29 July 2020
spiny-toothed Ambrosia ilicifolia 5 Leaves: petioles 10–35 mm, blades lanceolate to narrowly triangular, margins coarsely toothed (not spiny) Ambrosia ambrosioides
16 KB (728 words) - 23:11, 29 July 2020
branches ascending to spreading; primary bract erect; heads 2–10-flowered, obpyramidal, 2–5 mm diam. Flowers: tepals green to straw-colored, lanceolate, 1.8–2
6 KB (444 words) - 00:52, 30 July 2020