Lock, J.M. (2010) Xyridaceae Flora Zambesiaca 13(4) 1-33
Annual or perennial herbs, often forming clumps; rhizomes, when present, short, horizontal or ascending. Leaves virtually all basal. Inflorescence a condensed bracteate spike at the end of elongated peduncles which are often variously grooved or ridged; lower bracts of the spike occasionally elongated or reflexed. Flowers borne singly in the axils of the fertile bracts, short-lived; calyx of 3 unequal segments, the adaxial hooded and enclosing the flower-bud, the laterals asymmetric and often keeled; corolla yellow (blue in at least one West African species). Fruit a loculicidal capsule. Derivation of name: from Greek: xyron, meaning a razor, applied to an aromatic species of Iris with razor-like leaves. Burundi: 19 taxa. |
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| Species | Content | |
| affinis Welw. ex Rendle | ||
| anceps Lam. [Agg] | ||
| angularis N.E. Br. | ||
| anisophylla Welw. ex Rendle | ||
| aristata N.E.Br. | ||
| capensis Thunb. | ||
| capensis Thunb. var. pallescens Malme | ||
| capensis Thunb. var. capensis | ||
| capillaris Malme | ||
| congensis Büttner | ||
| elegantula Malme | ||
| friesii Malme | ||
| fugaciflora Rendle | ||
| obscura N.E. Br. | Image | |
| scabridula Rendle | ||
| schliebenii Poelln. | Description, Image | |
| straminea L.A. Nilsson | ||
| unistriata Malme | ||
| valida Malme |