Phylohydrax (Rubiaceae-Spermacoceae) — a New Genus to Accommodate the African and Madagascan "Hydrophylax" Species

Hydrophylax, a genus of maritime strand or dune plants, was previously thought to comprise three species, one from India, Sri Lanka and Thailand (H. maritima), and two from Africa and Madagascar ("H." carnosa and "H." madagascariensis respectively). Evidence is presented that the...

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Bibliographic Details
Published in:Plant systematics and evolution 1986-01, Vol.154 (3/4), p.343-366
Main Author: Puff, Christian
Format: Article
Language:English
Subjects:
Biological taxonomies
Calyx
Coasts
Flower stigma
Fruits
Ovules
Plants
Pollen
Seeds
Taxa
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Summary:Hydrophylax, a genus of maritime strand or dune plants, was previously thought to comprise three species, one from India, Sri Lanka and Thailand (H. maritima), and two from Africa and Madagascar ("H." carnosa and "H." madagascariensis respectively). Evidence is presented that the African and Madagascan species are better placed into a separate genus (Phylohydrax). Differential characters between H. maritima and P. carnosa — P. madagascariensis, the relationships between the three species, and the affinities of Phylohydrax and Hydrophylax to other Spermacoceae are discussed in detail.
ISSN:0378-2697
1615-6110
DOI:10.1007/BF00990132