Cyathocalyx

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]

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

• Cyathocalyx acuminatus C.B.Rob. peninsular malaysia
• Cyathocalyx annamensis Ast.
• Cyathocalyx apoensis (Elmer) J.Sinclair
• Cyathocalyx cauliflorus K.Schum. & Lauterb.
• Cyathocalyx crassipetalus R.J.Wang & R.M.K.Saunders
• Cyathocalyx filiformis Ast.
• Cyathocalyx globosus Merr.
• Cyathocalyx hexagynus (Miq.) R.J.Wang & R.M.K.Saunders
• Cyathocalyx kingii Boerl. ex Koord. Peninsular malaysia
• Cyathocalyx lucidus Diels
• Cyathocalyx maingayi Hook. f. & Thomson peninsular malaysia
• Cyathocalyx magnifica *peninsular malaysia
• Cyathocalyx magnifructus R.J.Wang & R.M.K.Saunders. malaysia (sbh.srwk)
• Cyathocalyx martabanicus Hook.f. & Thomson
• Cyathocalyx minahassae Koord.
• Cyathocalyx obtusifolius Becc. & Scheff.
• Cyathocalyx olivaceus (George King (botanist)King) J.Sinclair peninsular malaysia
• Cyathocalyx petiolatus Diels. Peninsular malaysia
• Cyathocalyx polycarpa C.T.White & W.D.Francis
• Cyathocalyx pubescens Scheff.
• Cyathocalyx samarensis R.J.Wang & R.M.K.Saunders
• Cyathocalyx scortechinii (King) J.Sinclair. peninsular malaysia
• Cyathocalyx sumatranus Scheff.
• Cyathocalyx vitiensis A.C.Sm.
• Cyathocalyx zeylanicus Champ. ex Hook.f. & Thomson. Peninsular malaysia

Unresolved species

• Cyathocalyx harmandii (Finet & Gagnep.) R.J.Wang & R.M.K.Saunders
• Cyathocalyx maingayi Hook.f. & Thomson

References