Dicoma zeyheri Sond.

Species

Angiosperms > Asterales > Asteraceae > Dicoma

Characteristics

Leaves discolorous, mostly 50–130 x 10–47 mm., oblanceolate to narrowly obovate, subacute or shortly acuminate to the apex, narrowing below to a short, winged midrib, somewhat stem-clasping at the base, sparsely denticulate, slightly revolute on the margins, green and glabrous on the upper surface, white araneose-sericeous below (the indumentum sometimes peeling off); lower lateral nerves at an acute angle to the midrib, venation finely reticulate and subproroinent on both surfaces or obscured by the indumentum below.
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Phyllaries numerous large, the outer spreading-reflexed the remainder stiffly ascending-diverging, the outermost usually extending down the capitulum stalk, also reflexed, silvery-green sometimes reddish-tinged, coriaceous, glabrous, the margins narrowly membranous sometimes ± inrolled in the upper part, minutely serrulate, apices cuspidate to acuminate-pungent; from c. 10 mm. long on the outside to c. 35 mm. long inside; the middle phyllaries 6–10 mm. wide, ovate-acuminate to lanceolate-acuminate.
Corollas creamy to brownish with purplish lobes, 10–11 mm. long, infundibuliform; lobes 5–6 mm. long, linear, erect; achenes c. 2 mm. long, narrowly turbinate, densely long ascending hispid; pappus copious, several seriate, of plumose white setae 7–10 mm. long, shorter on the outside, seta bristles c. 1 mm. long.
Capitula solitary and terminal, or less often up to c. 12 terminal on short branches in upper leaf axils.
An erect robust perennial herb, 15–40 cm. tall from a woody rootstock; roots numerous, thong-like.
Stems annual, 1-several, simple or shortly branched near the apex, leafy, thinly whitish araneose.
Involucres mostly 30–40 mm. long, 30–50 mm. in diam., broadly campanulate.
Life form annual
Growth form herb
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Sexuality hermaphrodite
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Mature width (meter) -
Mature height (meter) 0.15 - 0.4
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Environment

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Usage

Uses medicinal
Edible -
Therapeutic use -
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Animal toxicity -

Cultivation

Mode -
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Images

Dicoma zeyheri unspecified picture

Identifiers

LSID urn:lsid:ipni.org:names:201376-1
WFO ID wfo-0000060839
COL ID 35QJS
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Dicoma zeyheri

Lower taxons

Dicoma zeyheri subsp. argyrophylla Dicoma zeyheri subsp. zeyheri