Bidens schimperi Sch.Bip. ex Walp.

Species

Angiosperms > Asterales > Asteraceae > Bidens

Characteristics

Annual herb 0.07–1.5 m high; stem 4-angled, simple to much branched, often with red or purple markings, sparsely to densely pubescent.. Leaves broadly ovate in outline, tripartite with lobed parts, rarely simple or bi-to tri-pinnatisect, 2.5–20(–30) cm long, 1.5–10(–15) cm wide, leaf segments ovate to narrowly ovate, the margins lobed, entire, incised-dentate to crenate-serrate, pubescent, especially above, rarely almost glabrous, densely glandular-punctate; petiole 10–55(–120, fide EA) mm long.. Capitula erect or nodding, in lax terminal corymbose cymes; peduncle 2–18 cm long; outer phyllaries 8, linear, 2.5–10 mm long, sparsely pubescent, inner phyllaries 8, 3.5–11 mm long, pubescent or glabrous, light brown to red with a wide yellow margin.. Ray florets yellow or occasionally orange, neuter, 6–8, rays 6–20 mm long, tube ± 1.5 mm long; disc florets dull yellow to orange, ± 4 mm long.. Achenes dark brown to black, 3–10 mm long (outer) to 5–16 mm long (inner), striate, strigose, compressed or flat, sometimes margins callose-thickened; aristae 2, 0.2–4 mm long, retrorsely barbed.
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Annual herb 0.07-1.5 m high; stem 4-angled, simple to much branched, often with red or purple markings, sparsely to densely pubescent. Leaves broadly ovate in outline, tripartite with lobed parts, rarely simple or bi-to tri-pinnatisect, 2.5-20(-30) cm long, 1.5-10(-15) cm wide, leaf segments ovate to narrowly ovate, the margins lobed, entire, incised-dentate to crenate-serrate, pubescent, especially above, rarely almost glabrous, densely glandular-punctate; petiole 10-55(-120, fide EA) mm long. Capitula erect or nodding, in lax terminal corymbose cymes; peduncle 2-18 cm long; outer phyllaries 8, linear, 2.5-10 mm long, sparsely pubescent, inner phyllaries 8, 3.5-11 mm long, pubescent or glabrous, light brown to red with a wide yellow margin. Ray florets yellow or occasionally orange, neuter, 6-8, rays 6-20 mm long, tube ±1.5 mm long; disc florets dull yellow to orange, ±4 mm long. Achenes dark brown to black, 3-10 mm long (outer) to 5-16 mm long (inner), striate, strigose, compressed or flat, sometimes margins callose-thickened; aristae 2, 0.2-4 mm long, retrorsely barbed.
A herb. It grows 1.8 , tall. The leaves are roughly hairy. They are usually deeply divided into 3. The edges of the leaves are marked by a line of black dots. The flowers are yellow and larger than Bidens pilosa. The fruit have 2 hooked bristles.
Annual herb, up to 1.5 m high. Leaves deeply twice or thrice pinnatisect, lobes oblong to ovate, glandular punctulate, margins entire or toothed, ciliate. Pappus awns 2. Flowers yellow.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 1.0 - 1.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

A tropical plant. It grows on arable land. It is also in woodland and on flood plains. It grows between 300-950 m above sea level. It can grow in arid places. In Tanzania it grows from sea level to 2,400 m above sea level.
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Dry grassland, black-cotton soil, old cultivation, Brachystegia woodland in grassy glades, overgrazed or recently burnt soils, at elevations up to 2,400 metres.
Light 7-9
Soil humidity 5-7
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

The leaves are bitter but are occasionally cooked and eaten. They are chopped and cooked and mixed with other leafy vegetables.
Uses bee plant food gene source invertebrate food medicinal
Edible leaves stems
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Bidens schimperi world distribution map, present in Angola, Djibouti, Egypt, Eritrea, Ethiopia, Kenya, Mozambique, Malawi, Namibia, Sudan, Somalia, South Sudan, Tanzania, United Republic of, South Africa, Zambia, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:185228-1
WFO ID wfo-0000060942
COL ID LSJQ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Bidens prolixus Bidens schimperi Bidens acutiloba Bidens punctata Coreopsis exaristata Bidens schimperi var. schimperi Coreopsis exaristata var. exaristata Bidens schimperi var. punctata Bidens schimperi var. brachycera Bidens schimperi var. greenwayi Bidens schimperi var. leiocera Bidens schimperi var. leptocera Bidens schimperi var. pilosa Bidens grantii var. stapfioides