Flora of Hainan

Quercus albicaulis is a rare Chinese species of oak. It is a tree found only on the island of Hainan in southern China. Quercus albicaulis is a large tree up to 30 m tall with white twigs and leaves as much as 18 cm long. It is placed in subgenus Cerris, section Cyclobalanopsis.

Phalaenopsis stobartiana, also known as 滇西蝴蝶兰 (dian xi hu die lan) in Chinese, is a species of epiphytic plant in the family Orchidaceae. It is endemic to Hainan, China. The specific epithet stobartiana refers to William Culley Stobart. The Stobart family were the principal landowners and colliery owners in the 19th century in England.

Cycas changjiangensis is a plant species in the cycad order, Cycadales. It is endemic to Hainan Island of southern China. It grows at elevations of 600–800 metres (2,000–2,600 ft). It is found only in a small area in Bawangling 霸王岭国家森林公园, Changjiang County, western Hainan Province, China. Cycas changjiangensis has a trunk up to 50 cm (20 in) long but much of this is often subterranean. Leaves are pinnate, up to 130 cm (51 in) long, with spines along the rachis. Leaflets are in 40–70 pairs, with prominent midveins on both surfaces. The green to yellow-brown seeds are less than 2 cm (0.79 in)

Croton laevigatus is a species of flowering plant in the family Euphorbiaceae. It is native to Asia.

Chuniophoenix hainanensis, also known as Hainan fan palm, is a species of palm tree. It is endemic to China.

Liparis bautingensis is a species of plant in the family Orchidaceae. It is endemic to the Hainan region of southern China. Liparis bautingensis is listed as an endangered species.

Bulbophyllum wuzhishanense is a species of orchid in the genus Bulbophyllum.

Begonia peltatifolia is a species of plant in the family Begoniaceae. It is endemic to China. It grows on limestone rocks and broad-leaved forests.

Begonia hainanensis is a species of plant in the family Begoniaceae. It is endemic to China. It grows in forests and on mossy rocks.

Quercus tiaoloshanica is a species of oak. It is a tree endemic to the island of Hainan. It is native montane forests between 900 and 1,400 metres (3,000 and 4,600 ft) elevation. It is recorded from only three locations, but its population, habitat, and ecology are not well understood.

Madhuca hainanensis is a species of plant in the family Sapotaceae. It is endemic to China. It is threatened by habitat loss.

Firmiana hainanensis is a species of flowering plant in the family Malvaceae. It is found only in China. It is threatened by habitat loss.

Calamus egregius is a species of flowering plant in the family Arecaceae. It is found only in the Hainan region of China. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests. Calamus egregius is threatened by habitat loss.

Bambusa boniopsis is a species of Bambusa bamboo.

Quercus fuliginosa is a species of oak. It is a tree endemic to the island of Hainan in southern China. Little is known about the species' population, habitat, or ecology.

Quercus dongfangensis is a species of oak. It is a tree endemic to the island of Hainan in southern China. It grows in montane forests up to 1,500 meters elevation. Little is known about the population, habitat, or ecology of the species.

Paranephelium hainanensis is a species of plant in the family Sapindaceae. It is endemic to China. It is threatened by habitat loss.

Fissistigma tungfangense is a species of plant in the Annonaceae family. It is endemic to China.

Carex tsoi is a species of sedge in the family Cyperaceae, native to Hainan, China. It was formerly thought to be in section Radicales.

Wenchengia is a genus from the family Lamiaceae, first described in 1965. It contains only one known species, Wenchengia alternifolia, endemic to Hainan Province in China.

Plectocomia microstachys is a species of flowering plant in the Arecaceae family. It is endemic to China. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests. It is threatened by habitat loss.

Lastreopsis subrecedens is a species of fern in the family Dryopteridaceae. It is endemic to China. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.

Ilex shimeica is a species of plant in the family Aquifoliaceae. It is endemic to China.

Engelhardia hainanensis is a tree native to Hainan Province, China.

Daphne axillaris is a shrub, of the family Thymelaeaceae. It is endemic to Hainan in China.

Sonneratia hainanensis, the Hainan sonneratia, is a species of plant in the family Lythraceae. It is endemic to Hainan island/province in southeastern China.

Quercus bawanglingensis is a species of oak. It is an evergreen tree native to the island of Hainan in southern China. The species belongs to Quercus section Ilex, and is closely related to Q. tarokoensis of Taiwan. Quercus bawanglingensis is known only from a single population in Bawangling in the Changjiang Li Autonomous County of Hainan, where it grows in tropical montane dwarf forests from 900 to 1000 meters elevation. There are estimated to be only 20 mature trees in the wild, and it is threatened with habitat loss from forest clearance.

Prunus hainanensis is a species of cherry endemic to Hainan province, China. It is very similar to Prunus campanulata and grows only at 900-1200 m in the Hainan Bawangling National Nature Reserve. It has pink flowers and, accordingly, some potential as an ornamental.

Cyperus monospermus is a species of sedge that is native to Hainan.

Cyperus hainanensis is a species of sedge that is native to Hainan.