Senecio pachyrhizus O.Hoffm.

Species

Angiosperms > Asterales > Asteraceae > Senecio

Characteristics

Dwarf perennial herb with woody rootstock, precocious; rootstock 1–2.5 cm in diameter, crown often woolly and with conspicuous fibrous remnants of old leaf-bases.. Stems usually several from each crown, forming small cushions 5–16 cm high, pale green, minutely glandular-pubescent and sometimes also slightly arachnoid, glabrescent.. Leaves all basal, oblong to elliptic, 13–25 cm long, 1–4.5 cm wide, long-attenuate into petioloid base, margins crenate-serrate, apex acute to attenuate, arachnoid-pubescent above and beneath; stem-leaves scale-like, sessile, concave, pale green or brown, oblanceolate or lanceolate, 1–2.5 cm long, 0.2–0.5 cm wide, erose-denticulate, acuminate or acute, glabrous or sparsely arachnoid beneath, the uppermost constituting the calyculus.. Capitula erect, discoid, terminal, usually solitary; involucre broadly cylindrical, brownish, 15–22 mm long, 11–18 mm in diameter, glabrous or sparsely arachnoid at base; bracts of calyculus 5–8, broadly ovate to lanceolate, 10–20 mm long, acuminate or acute, shortly erose-denticulate; phyllaries 16–25, long-attenuate, 15–22 mm long, shortly ciliate at margins near apex.. Ray florets absent; disc florets white or cream, anthers fully exserted, corolla 15.5–20 mm long, tube abruptly expanded and campanulate in upper one-sixth, shortly hairy on the narrow cylindrical lower part, lobes 2–2.5 mm long.. Achenes when mature 11 mm long, densely long-hairy; pappus 8–22 mm long, white.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.16
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

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

Cultivation

Mode -
Germination duration (days) 10 - 21
Germination temperacture (C°) 18 - 23
Germination luminosity light
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Senecio pachyrhizus world distribution map, present in Angola, Cameroon, and Zambia

Identifiers

LSID urn:lsid:ipni.org:names:246711-1
WFO ID wfo-0000121387
COL ID 4WMB7
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Senecio adustus Senecio dekindtianus Senecio pachyrhizus