Polyalthia Longirostris

''Polyalthia'' is a genus of flowering plants in the family Annonaceae. There are approximately 90 species distributed from Africa to Asia and the Pacific.''Polyalthia''.
Flora of China.

These are trees and shrubs. The flower has six petals in two whorls, the inner petals curving inward over the centre.

The name ''Polyalthia'' is derived from a combination of Greek words meaning ‘many cures’ with reference to the medicinal properties of certain species.

Species

This large genus was known to be polyphyletic, with many species having been separated and reassigned to other genera. Species have also been transferred into this genus (''e.g. P. malabarica'' from ''Phaeanthus''Plants of the World Online (POWO): ''Polyalthia'' Blume (retrieved 3 April 2020)
/ref> currently includes the following as accepted:

# '' Polyalthia angustissima'' Ridl.
# '' Polyalthia barenensis'' Bân
# '' Polyalthia borneensis'' Merr.
# '' Polyalthia bracteosa'' Bân
# '' Polyalthia bromantha'' I.M.Turner
# '' Polyalthia brunneifolia'' J.Sinclair
# '' Polyalthia bullata'' King
# ''Polyalthia castanea'' Ridl.
# '' Polyalthia cauliflora'' Hook.f. & Thomson
# '' Polyalthia celebica'' Miq.
# '' Polyalthia charitopoda'' I.M.Turner
# ''Polyalthia chinii'' I.M.Turner & Utteridge
# '' Polyalthia chrysotricha'' Ridl.
# '' Polyalthia cinnamomea'' Hook.f. & Thomson
# '' Polyalthia clemensiorum'' Jovet-Ast
# '' Polyalthia consanguinea'' Merr.
# '' Polyalthia corticosa'' (Pierre) Finet & Gagnep.
# '' Polyalthia debilis'' (Pierre) Finet & Gagnep.
# '' Polyalthia dictyoneura'' Diels
# '' Polyalthia dolichopoda'' I.M.Turner
# '' Polyalthia dumosa'' King
# '' Polyalthia elegans'' K.Schum. & Lauterb.
# ''Polyalthia elliptica