''Hopea'' is a genus of

plant Plants are the eukaryotes that form the Kingdom (biology), kingdom Plantae; they are predominantly Photosynthesis, photosynthetic. This means that they obtain their energy from sunlight, using chloroplasts derived from endosymbiosis with c ...

s in the family

Dipterocarpaceae Dipterocarpaceae is a family (biology), family of flowering plants with 22 genera and about 695 known species of mainly lowland tropical forest trees. Their distribution is pantropical, from northern South America to Africa, the Seychelles, India ...

. It contains some 113 species, distributed from

Sri Lanka Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka, also known historically as Ceylon, is an island country in South Asia. It lies in the Indian Ocean, southwest of the Bay of Bengal, separated from the Indian subcontinent, ...

and southern

India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...

to the

Andaman Islands The Andaman Islands () are an archipelago, made up of 200 islands, in the northeastern Indian Ocean about southwest off the coasts of Myanmar's Ayeyarwady Region. Together with the Nicobar Islands to their south, the Andamans serve as a mari ...

Myanmar Myanmar, officially the Republic of the Union of Myanmar; and also referred to as Burma (the official English name until 1989), is a country in northwest Southeast Asia. It is the largest country by area in Mainland Southeast Asia and has ...

, southern

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

, and southward throughout

Malesia Malesia is a biogeographical region straddling the Equator and the boundaries of the Indomalayan and Australasian realms. It is a phytogeographical floristic region in the Paleotropical kingdom. It was first recognized as a distinct region ...

New Guinea New Guinea (; Hiri Motu: ''Niu Gini''; , fossilized , also known as Papua or historically ) is the List of islands by area, world's second-largest island, with an area of . Located in Melanesia in the southwestern Pacific Ocean, the island is ...

. They are mainly main and

subcanopy In biology, the canopy is the aboveground portion of a plant cropping or crop, formed by the collection of individual plant crowns. In forest ecology, the canopy is the upper layer or habitat zone, formed by mature tree crowns and includ ...

tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, e.g., including only woody plants with secondary growth, only ...

s of lowland

rainforest Rainforests are forests characterized by a closed and continuous tree Canopy (biology), canopy, moisture-dependent vegetation, the presence of epiphytes and lianas and the absence of wildfire. Rainforests can be generally classified as tropi ...

, but some species can become also emergent trees, such as ''

Hopea nutans ''Hopea nutans'' is a large rainforest tree species in the family Dipterocarpaceae. It is found in Peninsular Malaysia and Borneo. The tallest measured specimen is 82.8 m tall in the Tawau Hills National Park, in Sabah on the island of Borneo ...

''. The genus was named after John Hope, the first Regius Keeper of the Royal Botanic Garden,

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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

Species accepted: Other species recently used, but now not accepted include: *'' Hopea exalata'', now a synonym of ''

Hopea reticulata ''Hopea reticulata'' is a species of tree in the family Dipterocarpaceae. It is native to China (Hainan) and Vietnam. ''Flora of China'' and Plants of the World Online Plants of the World Online (POWO) is an online taxonomic database publish ...

'' *''Hopea kitulgallensis'', not now accepted *''Hopea malabarica'', now a synonym of ''

Hopea racophloea ''Hopea racophloea'' is a species of plant in the family Dipterocarpaceae. It is native to Kerala and Karnataka Karnataka ( ) is a States and union territories of India, state in the southwestern region of India. It was Unification of Karn ...

'' *'' Hopea siamensis'', now a synonym of ''

Hopea pierrei ''Hopea'' is a genus of plants in the family Dipterocarpaceae. It contains some 113 species, distributed from Sri Lanka and southern India to the Andaman Islands, Myanmar, southern China, and southward throughout Malesia to New Guinea. They are ...

'' *''

Hopea wightiana ''Hopea wightiana'' is a species of plant in the family Dipterocarpaceae. It is endemic to India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-large ...

'' Wall., now a synonym of ''

Hopea ponga ''Hopea ponga'' is a species of plant in the family Dipterocarpaceae. It is endemic to India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest co ...

Gallery

File:Hopea beccariana Base du tronc.JPG, ''

Hopea beccariana ''Hopea beccariana'' is a species of tree in the family Dipterocarpaceae. It is named for the Italian botanist Odoardo Beccari. Description ''Hopea beccariana'' grows up to tall, with a trunk diameter of up to . It has Buttress root, buttresses ...

'' File:A leaf of Hopea odorata.jpg, ''

Hopea odorata ''Hopea odorata'' is a species of tree in the plant family Dipterocarpaceae. It is found in Bangladesh, Cambodia, India, Laos, Malaysia, Singapore, Myanmar, Thailand, and Vietnam. Description ''H. odorata'' is a large tree reaching up to in hei ...

References

Dipterocarpaceae genera Taxonomy articles created by Polbot {{Dipterocarpaceae-stub