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A New Huernia (Asclepiadaceae) from Saudi Arabia, with Notes on Related Species
In 1937 White and Sloane, in their monographic work on the Stapelieae, noted that the only Huernia found outside of the African continent was a variety of the variable H. macrocarpa (A. Rich.)Expand
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Plants for Arid Lands
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A new name for Pentatropis spiralis auctt., and the resurrection of the genus Blyttia (Asclepiadaceae)
It is shown that Forsskal's Asclepias spiralis has been misinterpreted, and the plant long known as Pentatropis spiralis based on Forsskal's name must be known by the new combination PentatropisExpand
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Plants for arid lands : proceedings of the Kew International Conference on Economic Plants for Arid Lands held in the Jodrell Laboratory, Royal Botanic Gardens, Kew, England, 23-27 July 1984
Plants for arid lands: proceedings of the Kew International Conference on Economic Plants for Arid Lands held in the Jodrell Laboratory, Royal Botanic Gardens, Kew, England, 23-27 July 1984 , PlantsExpand
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Ceropegia distincta (Asclepiadaceae) and Some Related Species in Tropical East and Southern Africa
C. distincta was described by N. E. Brown in 1895 from a single collection made by Sir John Kirk in Zanzibar. In his account of the Asclepiadaceae in the Flora of Tropical Africa some eight yearsExpand
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Two New African Species of Ceropegia (Asclepiadaceae) and a Reconsideration of C. subaphylla
Ceropegia swaziorum D. V. Field sp. nov., forsan C. clavilobae Werderm. affinis sed foliis crassioribus interdum dentatis, floribus valde maioribus, pedicellis calycisque lobis pubescentibus, coronaeExpand
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