Comments
(
anglais
)
fourni par eFloras
Baccharis wrightii is recognized by its bushy, broomlike habit, stems woody only at bases, relatively small, non gland-dotted leaves, early flowering period, heads borne singly, conspicuous, brownish pistillate pappi, and relatively large, strongly nerved cypselae.
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- cc-by-nc-sa-3.0
- droit d’auteur
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
(
anglais
)
fourni par eFloras
Subshrubs or shrubs, 10–80 cm (much branched from woody caudices, aerial stems sometimes dying back). Stems erect and slender or short and branched, prominently striate-angled, glabrous, eglandular. Leaves (reduced) proximal often withered and absent at flowering; sessile; blades oblanceolate to narrowly oblong, 5–10(–25) × 1–3(–7) mm (thin), bases narrowed, margins entire or finely serrate (teeth aristate), faces eglandular, not resinous (distal reduced to linear or oblong scales). Heads usually borne singly (terminal on slender branches). Involucres broadly campanulate to hemispheric; staminate 5–9 mm, pistillate 9–14 mm. Phyllaries narrowly lanceolate, 2–6 mm (not keeled), medians green or brown, margins scarious, apices acute or acuminate (erose, abaxial faces glabrous, eglandular). Staminate florets 20–30; corollas 4.5–6 mm. Pistillate florets 20–30; corollas 3–5 mm. Cypselae 3–5 mm, strongly 5–10-nerved, papillose-roughened, glandular; pappi 15–20 mm (often brownish). 2n = 18.
- licence
- cc-by-nc-sa-3.0
- droit d’auteur
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Baccharis wrightii: Brief Summary
(
anglais
)
fourni par wikipedia EN
Baccharis wrightii is a North American species of shrubs in the family Asteraceae known by the common name Wright's baccharis or false willow. It is native to northern Mexico (Chihuahua, Coahuila, Durango, Sonora) and the southwestern and south-central United States (Arizona, New Mexico, Texas, Oklahoma, Kansas, Colorado, Utah).
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- cc-by-sa-3.0
- droit d’auteur
- Wikipedia authors and editors
Baccharis wrightii: Brief Summary
(
vietnamien
)
fourni par wikipedia VI
Baccharis wrightii là một loài thực vật có hoa trong họ Cúc. Loài này được A.Gray mô tả khoa học đầu tiên năm 1852.
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- cc-by-sa-3.0
- droit d’auteur
- Wikipedia tác giả và biên tập viên