Lisowski, S., Brylska, B. & Wiland-Szymanska, J. (2001) Xyridaceae Flore d'Afrique Centrale (Congo-Kinshasa - Rwanda - Burundi) Jardin Botanique National de Belgique, Bruxelles
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. DRC: 38 taxa. |
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| Species | Botanical divisions | Content |
| anceps Lam. var. anceps | I | Image |
| angularis N.E. Br. | III,IV,VI,VII,XI | |
| angustifolia De Wild. & T.Durand [End] | III,IV,VI | |
| anisophylla Welw. ex Rendle | IV,XI | |
| aristata N.E.Br. | XI | |
| bampsii Lisowski [End] | XI | |
| capensis Thunb. var. capensis | VI,VII,IX,XI | |
| capensis Thunb. var. pallescens Malme | IV,VII,VIII,XI | |
| capillaris Malme | XI | |
| congensis Büttner | III,IV,V,VI,XI | |
| densa Malme | III,IV,VI | |
| dissimilis Malme | IV,XI | |
| elegantula Malme | IX | |
| erubescens Rendle | III,IV,V,VI,XI | Image |
| exigua Malme [End] | VI | |
| filiformis Lam. | III,IV,VI | |
| foliolata L.A. Nilsson | IV,XI | |
| friesii Malme | IV,VII,XI | |
| fugaciflora Rendle | III,V,XI | |
| gossweileri Malme | IV,V,XI | |
| imitatrix Malme | III,IV,VI,XI | |
| kibaraensis Lisowski [End] | XI | |
| kornasiana Brylska & Lisowski | XI | |
| kundelungensis Brylska [End] | XI | |
| kwangolana P.A.Duvign. & Homes | IV,XI | |
| lejolyana Lisowski [NrEnd] | XI | |
| leonensis Hepper | V,XI | Description |
| obscura N.E. Br. | XI | Image |
| peteri Poelln. | XI | |
| popeana Lisowski [End] | XI | |
| rehmannii L.A. Nilsson | VIII,XI | Image |
| rhodolepis (Malme) Lock | XI | |
| sanguinea Verm. ex Malme | III,XI | |
| scabridula Rendle | XI | |
| straminea L.A. Nilsson | IV,VII,XI | |
| symoensii Brylska & Lisowski [NrEnd] | XI | |
| unistriata Malme | XI | |
| valida Malme [NrEnd] | IX |