Vernonia madefacta Wild

Species

Angiosperms > Asterales > Asteraceae > Vernonia

Characteristics

Involucre c. 9 mm. long, obconic-campanulate; phyllaries scarious-membranous, not recurved, spreading, increasing in length towards me inside, outermost subulate becoming shortly lanceolate each with a long straight aristate awn at apex, inner narrowly lanceolate and acute-pungent at apex, purplish and pubescent where exposed.
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Leaves up to c. 15 x 7 cm., broadly ovate, membranous, long acuminate at the apex, rounded and abruptly contracted below into a long ± tapering-winged midrib, wing 4–6 mm. wide tapering into a short petiole, upper surface glabrous, lower surface very thinly pilose; margins serrate with apiculate teeth.
Achenes (immature) 1.5 mm. long, obconic-cylindric, narrowly 8–10-ribbed, strigose pilose; outer pappus short, narrowly scale-like and barbellate, inner of whitish barbellate setae c. 7 mm. long.
Capitula laxly paniculately arranged on bracteate stalks; lower bracts leaf-like with subulate awns c. 3 mm. long; stalks slender, to c. 25 mm. long, thinly pubescent and glandular.
Corolla pale-mauve, c. 10 mm. long, widening very slightly upwards, lobes 3 mm. long, linear.
A perennial herb or subshrub c. 1 m. tall; stems slender, pubescent.
Life form perennial
Growth form
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
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Hardiness (USDA) -

Usage

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

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
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Optimum temperature (C°) -
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Productivity -

Distribution

Vernonia madefacta world distribution map, present in Zambia

Identifiers

LSID urn:lsid:ipni.org:names:258779-1
WFO ID wfo-0000076730
COL ID 5B5D5
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Vernonia madefacta