Bidens elgonensis (Sherff) Agnew

Species

Angiosperms > Asterales > Asteraceae > Bidens

Characteristics

Perennial herb or shrub 0.4–1.2 m high; stems erect or leaning on other vegetation, branched near apex, thin and brittle, glabrous.. Leaves obovoid in outline, pedately tripartite, 2–5 cm long, 1.5–4 cm wide, the segments lobed or serrate, 2–7(–12) mm wide, apex acute to apiculate, hispid especially on midrib and margins, black-punctulate; petiole absent or up to 5 mm long.. Capitula terminal and solitary or few in lax cymes; peduncle 2–9 cm long; involucre 8–10 mm long; outer phyllaries 6–11, pilose, inner phyllaries ± 8, green with yellow margins, sparsely pilose; paleae light brown with purple apex, 6–7 mm long.. Ray florets yellow or golden yellow, neuter, 8–13, rays 8–13x3–5 mm; disc florets yellow, ± 5 mm long.. Achenes black, oblong-ellipsoid, 4–6 mm long, glabrous; pappus absent.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.4 - 1.2
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) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Bidens elgonensis leaf picture by susan brown (cc-by-sa)

Flower

Bidens elgonensis flower picture by susan brown (cc-by-sa)

Distribution

Bidens elgonensis world distribution map, present in Kenya and Uganda

Identifiers

LSID urn:lsid:ipni.org:names:184891-1
WFO ID wfo-0000096130
COL ID LS88
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Bidens morotonensis Coreopsis elgonensis Coreopsis morotonensis Bidens elgonensis subsp. elgonensis Bidens elgonensis subsp. morotonensis Bidens elgonensis subsp. morotonensis Bidens elgonensis subsp. cheranganiensis Bidens elgonensis