Leaves opposite, rarely 3-nate, shortly petiolate, lanceolate or elliptic, somewhat paler on undersurface; stipules connate into a sheath, densely hairy within, distinctly subulate-caudate at apex
Flowers solitary or in few- to several-flowered, simple or branched, peduncled, pubescent to tomentose cymes; bracts small
Calyx 5-lobed, hairy; lobes much longer then saucer-shaped tube
Corolla 5-lobed, yellow or orange-yellow, hairy; lobes ovate or ovate-lanceolate, reflexed, shorter than tube; tube elongate, slightly curved, with a ring of reflexed hairs near base within throat
Stamens 5, arising in corolla throat, mainly included; filaments broadly linear, much shorter than anthers; anthers lanceolate-linear
Disc annular
Ovary 5-locular, with a single pendulous ovule in each locule; style slender, glabrous, shortly exserted, pollen presenter large, cylindrical, shortly 5-lobed at apex
Fruit a fleshy, globose drupe crowned with calyx limb, with 5 pyrenes
Nomenclature:
Ancylanthos Desf.
Desfontaines: 5 (1818) as Ancylanthus
Robyns: 324 (1928)
Phillips: 734 (1951)
Launert: 7 (1966)
Verdcourt & Bridson: 800 (1991)
Bridson: 236 (1998)
Distribution & Notes:
Global: Species 5, tropical Africa
Southern Africa: Species 1: Ancylanthos rubiginosus Desf., Namibia and Botswana
DESFONTAINES, R.L. 1818. Ancylanthos. Mémoirs de Muséum Nationale d' Histoire Naturelle 4
LAUNERT, E. 1966. Rubiaceae. Prodromus einer Flora von Südwestafrika 115
PHILLIPS, E.P. 1951. The genera of South African flowering plants. Memoirs of the Botanical Survey of South Africa No. 25
ROBYNS,W. 1928. Monographieae Vangueriae. Bulletin du Jardin Botanique de l'Etat, à Bruxelles 11
VERDCOURT, B. & BRIDSON, D.M. 1991. Flora of tropical East Africa. Rubiaceae (part 3)
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Biodiversity Advisor, developed by the South African National Biodiversity Institute (SANBI) and its Data Partners, is a system that will provide integrated biodiversity information to a wide range of users who will have access to geospatial data, plant and animal species distribution data, ecosystem-level data, literature, images and metadata.
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