Pleiotaxis angusterugosa C.Jeffrey

Species

Angiosperms > Asterales > Asteraceae > Pleiotaxis

Characteristics

Leaves sessile discolorous, markedly bullate, briefly stem-sheathing at the base, mostly 4.5–19 x 0.4–0.7 cm., linear; acute at the apex, semi-amplexicaul and subauriculate below from a short membranous, sericeous-lanate sheath ± as long as wide; margins revolute, serrate; upper surface bullate and ± sparsely lanate-pubescent, under surface densely greyish or brownish araneose-sericeous; main nerves usually more than 20 on each side of the midrib, impressed on the upper surface and prominent beneath, venation reticulate.
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Phyllaries green often purple-tinged, appressed imbricate, thinly coriaceous, glabrous outside, margins hyaline often purple-tinged, from 2 mm. long and ovate outside increasing to c. 23 mm. long and becoming narrowly lorate inside; middle phyllaries to c. 3.5 mm. wide, ovate-oblong, rounded at the apex.
Corollas red, up to c. 24 mm. long, with a long slender tube abruptly dilated into a short cylindric deeply narrowly lobed limb which exceeds the pappus and involucre, glabrous; corolla lobes up to c. 6 mm. long, linear.
Achenes ?6–10 mm. long, narrowly-cylindric, obscurely many-ribbed, densely appressed hispid; pappus of copious barbellate setae to c. 15 mm. long.
Stems annual, 1-several, sericeous-lanate, sparsely branched and leafy near the apex, simple and leafless below, becoming woody.
Capitula many, usually terminal on branches with 2–3 subsidiary capitula in axils below, on short or long stalks.
An erect suffrutex, to c. 1 m. tall, from a ?woody rootstock.
Involucres mostly 20–25 x 15–20 mm., obconic-campanulate.
Life form
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.0
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Rooting depth (meter) -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
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Soil acidity -
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Hardiness (USDA) -

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
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Identifiers

LSID urn:lsid:ipni.org:names:238731-1
WFO ID wfo-0000003306
COL ID -
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pleiotaxis angusterugosa