Description
(
Anglèis
)
fornì da eFloras
Perennials, 10–50(–80+) cm. Stems prostrate or decumbent. Leaves mostly opposite; petioles 5–25 mm; blades rounded-deltate to ovate or elliptic, 20–35+ × 10–30+ mm, 2–3-pinnately lobed, bases cuneate, ultimate margins entire or toothed, abaxial and adaxial faces strigillose. Pistillate heads clustered, proximal to staminates; florets 1. Staminate heads: peduncles 1–2 mm; involucres obliquely cup-shaped, 2–3+ mm diam., strigillose; florets 5–20+. Burs: bodies ± pyriform, 1–2 mm, ± strigillose, spines or tubercles 0–5+, near middles or distal, stoutly conic, 0.1–0.5+ mm, tips straight. 2n = 104.
- licensa
- cc-by-nc-sa-3.0
- drit d'autor
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Comprehensive Description
(
Anglèis
)
fornì da North American Flora
Ambrosia hispida Pursh, Fl Am. Sept. 743. 1814
Ambrosia crithmifolia DC. Prodr. 5: 525. 1836.
Ambrosia, maritime Ferrero; DC. Prodr. 5: 525, as a synonym. 1836.
A suffruticose perennial, branched at the base; branches prostrate, often rooting at the nodes, 2-8 dm. long, terete, densely white-pilose or white-hirsute; leaves tripinnatifid or the upper bipinnatifid, hispid-villose on both sides; petioles 1-3 cm. long; blades broadly ovate in outline; segments spreading, not decurrent, the ultimate ones oblong or obovate, obtuse, minute, entire or dentate; staminate heads rather few, in dense terminal racemes; peduncles about 2 mm. long; involucre saucer-shaped, 4-5 mm. broad, hispidulous, crenate; paleae of the receptacle linear-filiform, clavate and hairy towards the end; corolla pilose at the apex; pistillate heads in small clusters in the upper axils; body of the fruit about 3 mm. long, obovoid, obscurely 4-angled, hirsute and glandular; beak conic, about 1.5 mm. long; spines 1-5, unequal, conic.
Type locality: Given as South Carolina, but probably the Bahamas.
Distribution: Subtropical Florida; Bahamas; Cuba to Barbados; Yucatan; Panama; introduced in British Guiana.
- sitassion bibliogràfica
- Per Axel, Rydberg. 1922. CARDUALES; AMBROSIACEAE, CARDUACEAE. North American flora. vol 33(1). New York Botanical Garden, New York, NY
Ambrosia hispida: Brief Summary
(
vietnamèis
)
fornì da wikipedia VI
Ambrosia hispida là một loài thực vật có hoa trong họ Cúc. Loài này được Pursh mô tả khoa học đầu tiên.
- licensa
- cc-by-sa-3.0
- drit d'autor
- Wikipedia tác giả và biên tập viên