Senecio polyadenus Hedberg

Species

Angiosperms > Asterales > Asteraceae > Senecio

Characteristics

Perennial herb or spreading shrub 30–100 cm high, rhizomatous; stems erect, glandular-pubescent, leafy.. Lower and median stem leaves ± equal in size, sessile and ovate-oblong or oblong, 4.5–11.5 cm long, 1.5–4.5 cm wide, base auriculate, margins sinuate-denticulate to strongly dentate-lobulate, apiculate-bidentate or lobulate, apex obtuse, apiculate; upper stem leaves sessile, similar to the lower, margins dentate-lobulate, apex acute, 3–5 cm long, 1.2–1.5 cm wide; all leaves finely glandular above and beneath.. Capitula radiate, erect, numerous in copious often dense terminal corymbs; stalk of individual heads densely glandular-hairy; involucre cylindrical, 7–11 mm long, 4.5–6.5 mm in diameter; bracts of calyculus 4–6, lanceolate to linear, glandular and 5–8 mm long; phyllaries 12–13, 8.5–10 mm long, glandular.. Ray florets 10–13, citrus yellow, corolla tube 4–5.5 mm long, glabrous, rays 10–15 mm long, 3.7–4 mm wide, 5–10-veined; disc florets yellow, corolla 6.5–9 mm long, tube expanded or abruptly expanded above the middle, glabrous, lobes 1–1.2 mm long.. Achenes not known mature, immature achenes 2–4 mm long, glabrous; pappus 5–7 mm long, white.
Life form perennial
Growth form
Growth support -
Foliage retention -
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 1.0
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) -

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 polyadenus world distribution map, present in Uganda

Identifiers

LSID urn:lsid:ipni.org:names:246994-1
WFO ID wfo-0000028396
COL ID 4WMKV
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Senecio polyadenus