7940.000 Duosperma Dayton
DISPERMA C.B. Clarke
Leistner, O.A. (ed.) (2000)
Seed plants of southern Africa: families and genera Strelitzia 10
Vollesen, K. (2006)
A taxonomic revision of the genus Duosperma (Acanthaceae) Kew Bulletin 61(3) 289-351
Description of the genus
Perennial herbs or shrubs. Leaves (in ours) dentate. Inflorescences of axillary dichasical cymes. Bracts and bracteoles c. as long as calyx. Calyx lobes 5, ovate. Corolla 2-lipped; upper lip 3-lobed, transversely ribbed on palate. Fertile stamens 4.
Capsule with 1 seed in each loculus. Seeds borne on retinacula; with white hygroscopic hairs. Worldwide: 26 species in tropical and southern Africa with one species extending into Yemen Mozambique: 4 taxa. |
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DuospermaFlora of Zimbabwe:
DuospermaExternal websites:
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DuospermaKew Herbarium catalogue:
Duosperma
Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave 2007-23
Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M.
(2023).
Flora of Mozambique: Genus page: Duosperma. https://www.mozambiqueflora.com/speciesdata/genus.php?genus_id=1332, retrieved 26 March 2023
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