| Synonyms: |
Buchnera aspera (Willd.) Schumach. Euphrasia aspera Willd. |
| Common names: | |
| Frequency: | |
| Status: | |
| Description: |
Branched or unbranched annual herb, up to 30 cm tall; stem slightly angled, hispid with upward pointed hairs. Leaves divergent, narrowly linear-elliptic, up to 6 cm long, usually less than 3 mm wide, scabrid. Bracts of lowest flowers 2.5 cm long, exceeding the calyx, bracts of upper flowers as long as or only slightly exceeding the calyx, 0.25-0.5 mm. wide with hispidulous margins, bracteoles similar to bracts but greatly reduced, three quarter length of calyx, 0.2 mm. wide. Calyx 6-10 mm long, including teeth, teeth half as long as calyx tube. Corolla pink, tube c. 15 mm long, densely velvety, bent and inflated just below limb; upper lip of corolla emarginate, slightly recurved, lower lobes spreading, 5-8 mm long. Capsule oblong in outline, 4 mm long. |
| Type location: |
Ghana |
| Notes: | A rootparasite on grasses, particularly on Millet. |
| Derivation of specific name: | aspera: rough. |
| Habitat: | In grassland, woodland, disturbed and cultivated fields. |
| Altitude range: (metres) | 580 - 620 m |
| Flowering time: | |
| Worldwide distribution: | Mali, Mauritania, Gambia, Senegal, Guinea, Ivory Coast, Burkina, Niger, Ghana, Togo, Benin, Nigeria, Chad, Cameroon, Congo-Brazzaville, DR Congo, Sudan-South Sudan, Ethiopia, Tanzania and Malawi. |
| Botanical divisions: | XI |
| Growth form(s): | |
| Endemic status: | |
| Red data list status: | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Literature: |
Fischer, E. & Hofmann, H.P. (2025). Orobanchaceae Flore d'Afrique Centrale Nouvelle Serie Jardin Botanique Meise, Belgique Pages 36 - 38. (Includes a picture). Philcox, D. (1990). Scrophulariaceae Flora Zambesiaca 8(2) Pages 129 - 130. (Includes a picture). |