Bidens whytei Sherff

Species

Angiosperms > Asterales > Asteraceae > Bidens

Characteristics

Perennial herb (sometimes annual?), procumbent or prostrate or scrambling with ascending shoots, 25–120 cm high; stems glabrous or pilose.. Leaves ovate in outline, pinnately or sub-bipinnately compound, 1.5–8 cm long, 1–5.5 cm wide, segments ± linear and 1–3.5 mm wide, acute, glabrous or pilose, aromatic-glandular; pseudopetiole to 13 mm long.. Capitula few in lax terminal cymes; stalks of individual capitula to 15 cm long; involucre 3–5 mm long; outer phyllaries 5–8, widened and hairy at apex, green with dark red centre, inner phyllaries 6–8, oblong, orange-brown with scarious margins; paleae orange-brown, 4–4.5 mm long.. Ray florets bright yellow, neuter, 8, rays 10–12 mm long; disc florets orange-yellow, 3.5–4 mm long.. Achenes dark brown or black, compressed, graded monomorphic, setose, 3–4 mm long (outer) or 7–10 mm long (inner); aristae 2, 1–2 mm long, retrorsely barbed near the apex.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.25 - 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 medicinal
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 -

Distribution

Bidens whytei world distribution map, present in Kenya and Tanzania, United Republic of

Identifiers

LSID urn:lsid:ipni.org:names:185320-1
WFO ID wfo-0000079164
COL ID LSMH
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Bidens whytei Bidens hoffmannii Bidens angustata Bidens hoffmannii var. hoffmannii Bidens palustris var. nematomera Bidens hoffmannii var. angustata