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Striga forbesii Benth.

Species

Angiosperms > Lamiales > Orobanchaceae > Striga

Characteristics

Annual, 37-72 cm tall, stiffly erect, unbranched or with 2 to 4 branches below middle, scabrous to hispid, stem square, furrowed. Leaves 15-40(-90) x 4-12 mm, opposite, lanceolate, coarsely toothed, 3-to 5-veined, usually shorter than internodes. Lower bracts 20-50(-90) x 3-12 mm, leaf-like, longer than calyx, upper bracts shorter than calyx. Flowers opposite in open racemes, raceme shorter than vegetative stem. Calyx 10-15-ribbed, 9-14 (-20) mm long; tube 4-6 mm long; lobes 5, equal, broadly lanceolate, 5-9(-14) mm long, longer than tube. Corolla salmon-pink, tube 20-25 mm long, bent and expanded distally above calyx, densely glandular-pubescent; lobes of lower lip 6-9 x 3-6 mm, obovate, spreading, upper lip 3-6 x 6-9 mm, emarginate.
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Leaves sessile, opposite, 3-nerved, (1)2–4(7) x 3–7(10) cm., coarsely toothed each tooth the termination of one of the secondary veins, margins recurved, scabrid-pubescent.
Semiparasitic herb, up to 0.6 m high. Leaves unequally dentate, scabrid on both faces and on margin, lanceolate or oval-oblong. Flowers 25 mm long, salmon-pink or orange.
Corolla salmon pink, densely glandular-pubescent, no obvious scent, tube c. 2 cm. long, angled near top, middle lower lobe 7–9( 11) mm. wide, upper lobes smaller.
Calyx tube 5–9 mm. long, lobes lanceolate as long as tube, nerves scabrid hairy; bracteoles linear, shorter than calyx.
Stiffly erect annual herb, dark green, sparsely branched, to 75 cm. high, usually much shorter.
Erect, simple or little-branched scabrid herb a few inches to 2 ft. high
Flowers pink, or sometimes scarlet or yellow, subtended by leafy bracts
Capsule shorter than calyx tube, flattened, rounded at apex.
Young parts glandular-pubescent, becoming scabrous with age.
Bracts leaf-like, usually more than 2 cm. long.
Flowers opposite to alternate.
Drying greenish-brown.
Life form annual
Growth form herb
Growth support parasite
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.61 - 0.67
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

In wet places
Light -
Soil humidity 7-9
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

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 -

Distribution

Striga forbesii world distribution map, present in Angola, Burundi, Benin, Burkina Faso, Botswana, Cameroon, Congo, Ethiopia, Ghana, Guinea, Gambia, Guinea-Bissau, Kenya, Madagascar, Mali, Mozambique, Malawi, Namibia, Nigeria, Rwanda, Sudan, Senegal, South Sudan, eSwatini, Togo, Tanzania, United Republic of, Uganda, South Africa, Zambia, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:810017-1
WFO ID wfo-0001138078
COL ID 52ZK8
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Buchnera forbesii Cycnium pratense Striga forbesii
WorldFloraDB 2024