Cyathocalyx

Cyathocalyx
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Magnoliids
Order:	Magnoliales
Family:	Annonaceae
Genus:	Cyathocalyx Champ. ex Hook. f. & Thomson
Species
36-37, see text.

Cyathocalyx is a small genus with about 36 species distributed from southern India, Sri Lanka, through Malaysia, Indomalayan islands and reaches as far as Fiji in the South Pacific^[1].

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".

Species include:

• Cyathocalyx augustipetalus R. J. Wang & R. M. K. Saunders
• Cyathocalyx biovulatus Boerl.
• Cyathocalyx crassipetalus
• Cyathocalyx crinatus
• Cyathocalyx deltoideus
• Cyathocalyx havilandii
• Cyathocalyx hexagynus
• Cyathocalyx insularis A.C.Sm.
• Cyathocalyx magnifructus
• Cyathocalyx pruniferus
• Cyathocalyx pubescens
• Cyathocalyx samarensis

References

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 Linnaean Society. 152,513-532.