Striga aequinoctialis
| Striga aequinoctialis | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Striga aequinoctialis | ||||||||||||
| A.Chev. ex Hutch. & Dalziel |
Striga aequinoctialis is a plant type from the genus Striga in the family of broomrape plants (Orobanchaceae).
description
Striga aequinoctialis is up to 50 cm tall, parasitic , perennial plant . It is slender, hairless and usually not branched or provided with two or three branches in the middle of the stem . The stem is winged. The leaves have a size of 10 to 24 × 1 (rarely up to 2) mm. They are thread-like, sessile, cross, ascending and are shorter than the internodes . The veining is indistinct.
The flowers are cruciform in an open, spike-like inflorescence , which is shorter than the vegetative shoot. The inflorescence is accompanied by two bracts , which have a size of 4 to 6 (rarely to 12) × 1 (rarely to 2) mm. They are linearly shaped, hairy with stiff hair on the entire edge, curved in and longer than the calyx . This is five-ribbed, 3 to 4 mm long, the calyx tube is 2 to 2.5 mm long, the five calyx-lobes are uneven, lanceolate, 1 to 2 mm long and slightly shorter than the calyx tube. The crown is pale mauve. The corolla tube is 10 to 12 mm long, curved and enlarged above the calyx and covered with backward- facing trichomes . The lobes of the lower lip are 3 to 7 × 2 to 3 mm in size, egg-shaped and pointed towards the front. The upper lip is 3 to 5 × 4 to 7 mm in size, slightly incised and blunt towards the front.
Occurrence
The range of the species is limited to the humid, mountainous grasslands of tropical West Africa . She is known from Guinea , Sierra Leone , Liberia and the Ivory Coast . A single known collection outside of West Africa comes from Angola .
swell
- Kamal I. Mohamed, Lytton John Musselman, Charles R. Riches: The Genus Striga (Scrophulariaceae) in Africa . In: Annals of the Missouri Botanical Garden . Volume 88, Number 1, Winter 2001, pp. 60-103.