Senecio tamoides Dc.

Sèneçon faux-tamier (fr)

Species

Angiosperms > Asterales > Asteraceae > Senecio

Characteristics

Perennial twiner, herbaceous, much-branched, ± fleshy, ± glabrous. Stems up to 6 m long. Leaves up to 80 x 80 mm, outline ± deltoid, unequally lobed, lobes acute, deltoid, base ± hastate or cuneate; petioles up to 80 mm long. Inflorescence a many-headed, subumbel or corymb, on leafy, lateral branchlets. Capitula radiate, disc and rays (± 5) bright yellow; involucre turbinate; bracts 6-8, 8-9 mm long; calyculus bracts few, small. Flowering time Apr., May. Cypselae cylindrical, 3.5 mm long, ribbed, glabrous. Base ± hastate or cuneate; petioles up to 80 mm long. Inflorescence a many-headed, subumbel or corymb, on leafy, lateral branchlets. Capitula radiate, disc and rays (± 5) bright yellow; involucre turbinate; bracts 6-8, 8-9 mm long; calyculus bracts few, small. Flowering time Apr., May. Cypselae cylindrical, 3.5 mm long, ribbed, glabrous.
More
A voluble much-branched herbaceous twiner, stems and leaves slightly fleshy, all parts glabrous or leaves thinly hairy below. Leaves up to c. 8 x 8 cm, more or less deltoid in outline, unequally lobed, lobes deltoid, acute with broad round sinuses, apex acute, base somewhat hastate or cuneate, petiole about as long as the blade. Heads radiate, many subumbellately or corymbosely arranged at the tips of leafy lateral branchlets. Involucre turbinate, bracts c. 6-8, 8-9 mm long, shorter than the disc, keeled, swollen at the base, nerves resinous, calyculus bracts few, small. Rays c. 5, they and the disc bright yellow, corolla lobes each with a median resinous line. Achenes c. 3.5 mm long, cylindric, ribbed, glabrous.
Climber to c. 2 m high, glabrous. Leaves to c. 12 cm long, with petiole c. half of length; lamina ± orbicular to ovate, with l:w ratio c. 1–1.5, with 1–3 lobes per side; margin entire or sparsely denticulate. Capitula several to numerous per branch; calycular bracteoles 3–5, 1–1.5 mm long, c. 0.3 mm wide; involucre 7–8 mm long, c. 2.5 mm diam.; bracts 5–8. Florets 15–20; ligulate florets 3–6; ligule 10–20 mm long, 4-veined, yellow. Achenes not seen at maturity, glabrous. Pappus ?persistent, 6–7 mm long.
Twining herb. Leaves ± deltoid in outline, unequally lobed, lobes deltoid, base hastate or cuneate, petiolate; thinly hairy below or glabrous. Heads radiate, rays 5; involucral bracts 6-8, 8-9 mm long. Achenes glabrous. Flowers bright yellow.
With orange florets, in the gardens of the National Museums of Kenya, Aug. 1965, Kirika 463!
Life form perennial
Growth form herb
Growth support climber
Foliage retention -
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 2.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Grows at margins of rainforest.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

Uses medicinal
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 -

Images

Leaf

Senecio tamoides leaf picture by Augustin Soulard (cc-by-sa)
Senecio tamoides leaf picture by Augustin Soulard (cc-by-sa)
Senecio tamoides leaf picture by Augustin Soulard (cc-by-sa)

Flower

Senecio tamoides flower picture by laurent00031 (cc-by-sa)

Distribution

Senecio tamoides world distribution map, present in Australia, Brazil, Eritrea, Spain, Ethiopia, Greece, Guatemala, Mozambique, Mauritius, Portugal, Réunion, eSwatini, South Africa, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:247873-1
WFO ID wfo-0000024788
COL ID 6YGKY
BDTFX ID 101889
INPN ID 611434
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Senecio tamoides