Cyathocalyx is a small genus with about 22 species distributed from southern India, Sri Lanka, through Malaysia, Indomalayan islands and reaches as far as Fiji in the South Pacific.[1]

Cyathocalyx
Cyathocalyx sumatranus
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Magnoliids
Order: Magnoliales
Family: Annonaceae
Subfamily: Ambavioideae
Genus: Cyathocalyx
Champ. ex Hook. f. & Thomson
Species

22, see text.

The salient features of the genus includes- monopodial trees, supra-axillary or nearly leaf-opposed inflorescences, six petals which are basally concave and constricted above the reproductive organs to form a "pollination chamber".

The genus consists 22 identified species with two unresolved species.[2]

Species

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Unresolved species

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References

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  1. ^ Wang, R.J and Saunders, R.M.K.S (2006) A synopsis of Cyathocalyx species (Annonaceae) in Peninsular Malaysia, Sumatra, and Borneom with descriptions of two new species. Botanical Journal of the Linnean Society. 152,513-532.
  2. ^ "Cyathocalyx — the Plant List".