Leaves shortly petiolate, elliptic or ovate-elliptic; stipules ovate, acuminate
Flowers in dense, branched, terminal corymbose panicles
Calyx toothed; teeth erect, obtuse, deciduous; tube obovoid or globose
Corolla lobed, creamy white or pale yellow, somewhat fleshy, glabrous; lobes ovate, ciliate on inner face, contorted; tube long, funnel-shaped, gradually widening from base upwards
Stamens 4-6, arising deep in corolla throat, included; filaments linear, shorter than anthers; anthers linear, bluntly apiculate, shortly sagittate
Ovary 2-locular, with few ovules in each locule; placentas affixed peltately to septum; style terete, exserted; stigma 2-lobed, club-shaped
Fruit: capsules in dense heads, subsucculent; ellipsoid or globose, few-seeded
Seeds peltate, dorsally very compressed; testa membranous, expanded into a broad, lobulate and elegantly fimbriate wing
x = 11 (1 report)
Nomenclature:
Crossopteryx Fenzl
Fenzl: 45 (1839)
Hiern: 43 (1877)
Launert: 10 (1966)
Bridson & Verdcourt: 455 (1988)
Distribution & Notes:
Global: Species 1: Crossopterix febrifuga (Afzel. ex G. Don) Benth., tropical Africa
Southern Africa: Namibia, Botswana and Northern Province
References:
BRIDSON, D.M. & VERDCOURT, B. 1988. Flora of tropical East Africa. Rubiaceae (part 2)
FENZL, E. 1839. In S.L. Endlicher & E. Fenzl, Novarum stirpium decades 6. Sollinger, Vienna
HIERN, W.P. 1877. Rubiaceae. Flora of tropical Africa 3
LAUNERT, E. 1966. Rubiaceae. Prodromus einer Flora von Südwestafrika 115
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Welcome to Biodiversity Advisor 2.0!
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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