Hopea is a genus of plants in the family Dipterocarpaceae. It contains some 114 species, distributed from Sri Lanka and southern India to the Andaman Islands, Myanmar, southern China, and southward throughout Malesia to New Guinea. They are mainly main and subcanopy trees of lowland rainforest, but some species can become also emergent trees, such as Hopea nutans.
The genus was named after John Hope, the first Regius Keeper of the Royal Botanic Garden, Edinburgh.
Botany Trees in this genus are small or medium, but they can grow occasionally large. They have low branches and sometimes thick buttress roots. Their bark is chocolate brown and smooth at first, but later crack and mottle with grey spots.
Species the following species are accepted:
Hopea acuminata Hopea aequalis Hopea altocollina Hopea andersonii Hopea apiculata Hopea aptera Hopea auriculata Hopea bancana Hopea basilanica Hopea beccariana Hopea bilitonensis Hopea brachyptera Hopea bracteata Hopea brevipetiolaris Hopea bullatifolia Hopea cagayanensis Hopea canarensis Hopea celebica Hopea celtidifolia Hopea centipeda Hopea cernua Hopea chinensis Hopea cordata Hopea cordifolia Hopea coriacea Hopea dasyrrhachis Hopea depressinerva Hopea discolor Hopea dryobalanoides Hopea dyeri Hopea enicosanthoides Hopea erosa Hopea ferrea Hopea ferruginea Hopea fluvialis Hopea forbesii Hopea foxworthyi Hopea glabra Hopea glabrifolia Hopea glaucescens Hopea gregaria Hopea griffithii Hopea hainanensis Hopea helferi Hopea indica Hopea inexpectata Hopea iriana Hopea jacobi Hopea johorensis Hopea jucunda Hopea kerangasensis Hopea latifolia Hopea longifolia Hopea longirostrata Hopea macrocarpa Hopea malibato Hopea megacarpa Hopea mengarawan Hopea mesuoides Hopea micrantha Hopea mindanensis Hopea modesta Hopea montana Hopea myrtifolia Hopea nervosa Hopea nigra Hopea nodosa Hopea novoguineensis Hopea nutans Hopea oblongifolia Hopea obscurinerva Hopea odorata Hopea ovoidea Hopea pachycarpa Hopea papuana Hopea parviflora Hopea parvifolia Hopea paucinervis Hopea pedicellata Hopea pentanervia Hopea philippinensis Hopea pierrei Hopea plagata Hopea polyalthioides Hopea ponga Hopea pterygota Hopea pubescens Hopea quisumbingiana Hopea racophloea Hopea recopei Hopea reticulata Hopea reynosoi Hopea rudiformis Hopea rugifolia Hopea samarensis Hopea sangal Hopea santosiana Hopea sasidharanii Hopea scabra Hopea semicuneata †Hopea shingkeng Hopea similis Hopea sphaerocarpa Hopea subalata Hopea sublanceolata Hopea subpeltata Hopea sulcata Hopea tenuinervula Hopea thorelii Hopea treubii Hopea ultima Hopea vacciniifolia Hopea vesquei Hopea vietnamensis Hopea wyattsmithii
Other species recently used, but now not accepted include: Hopea exalata, now a synonym of Hopea reticulata Hopea kitulgallensis, not now accepted Hopea malabarica, now a synonym of Hopea racophloea Hopea siamensis, now a synonym of Hopea pierrei Hopea utilis , synonym of Hopea longifolia Hopea wightiana , synonym of Hopea odorata Hopea wightiana , now a synonym of Hopea ponga var. ponga
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