Rubiaceae - Rubioideae - Paederieae - Gaillonia A.Rich. ex DC.
Description:
Gynodioecious, fetid shrubs or dwarf shrubs
Leaves decussate, subsessile, linear to ± elliptic, small; stipular sheath narrow, with a small triangular appendage on either side
Flowers 5-merous, bisexual (and protandrous) or female, shortly pedicellate, in clusters of several to many, terminal on new growth
Calyx: lobes narrowly ovate, much shorter than corolla tube
Corolla white
Stamens arising in throat of corolla tube
Ovary bicarpellate, 2-locular, each locule with a solitary erect ovule; style joined; stigma lobes 2, as long as style
Fruit (tardily) dehiscing into 2 mericarps
Seeds remaining enclosed in mericarp
Nomenclature:
Gaillonia A.Rich. ex DC.
Candolle: 574 (1830)
Thulin: 36 (1998)
Crocyllis E.Mey. ex Hook.f.
Hooker: 136 (1873)
Puff: 3 (1986)
Distribution & Notes:
Global: Species 17, Africa and Asia
Southern Africa: Species 1: Gaillonia crocyllis (Sond.) Thulin, endemic, most southern part of Namibia and adjacent parts of Northern Cape
References:
CANDOLLE, A.P. DE. 1830. Prodromus 4. Treuttel & Würtz, Paris
HOOKER, J.D. 1873. Rubiaceae. In G. Bentham & J.D. Hooker, Genera plantarum 2. L. Reeve, London
PUFF, C. 1986. Paederieae, Anthospermeae, Rubieae. Flora of southern Africa 31, part 1, fascicle 2
THULIN, M. 1998. Gaillonia (Rubiaceae - Paederieae) in Africa and Arabia. Nordic Journal of Botany 18
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