0 Pollia thyrsiflora

Pollia thyrsiflora (Blume) Steud., Nomencl. Bot. [Steudel], ed. 2. 2: 368 (1841). 

Pollia thyrsiflora (Blume) Steud., Photo by The Moon

The native range of this species is Tropical & Subtropical Asia. It is a perennial and grows primarily in the wet tropical biome.

Vietnamese name: 

Bôn dày

Scientific name: 

Pollia thyrsiflora (Blume) Steud. – Tradescantia thyrsiflora Blume

Family: 

Commelinaceae

Uses: 

The H'Mong ethnic group in Muong Long commune, Ky Son district, Nghe An province use leaves pounded to drink water, and the residue used to treat poisonous snake bites.

Distribution: Cao Bang, Lang Son, Bac Can, Nghe An, Phu Yen, Khanh Hoa. The grass is 30-100cm tall, growing scattered in moist forests, valleys, and stream banks.

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0 Pterocymbium tinctorium

Pterocymbium tinctorium Merr., Publ. Bur. Sci. Gov. Lab. 27: 24 (1905).

Pterocymbium tinctorium Merr., Photo by Truc Nguyen

The native range of this species is Assam to Malesia. It is a tree and grows primarily in the wet tropical biome.

Distribution:

This species is distributed in Dong Nai (Chua Chan Mountain, Cat Tien National Park), Tay Ninh (Ba Den Mountain), Dinh Mountain in Ba Ria - Vung Tau at an altitude of 200 - 400m.

Uses:

Light, white, not durable wood used to make paper and household utensils. The bark of the tree is very tough and can be plaited and braided into very sturdy ropes.

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0 Campestigma purpureum

Campestigma purpurea Pierre, Fl. Indo-Chine [P.H. Lecomte et al.] 4: 118 (1912). 

Campestigma purpurea Pierre, Photo by Dinh Quang Diep

The native range of this species is Indo-China. It is a climbing shrub and grows primarily in the wet tropical biome.

Vietnamese name:

Kiền tím

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0 Camellia mairei var. lapidea (Y. C. Wu) Sealy.

Camellia mairei var. lapidea (Wu) Sealy, Rev. Gen. Camellia 174 (1958).

Camellia mairei var. lapidea (Wu) Sealy, Photo by Hoang Thanh Son

The native range of this variety is China (S. Sichuan to S. Hunan and NW. Guangdong) and Vietnam. It is a shrub or tree and grows primarily in the subtropical biome.

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0 Trichodesma calycosum

Trichodesma calycosum Collett & Hemsl., J. Linn. Soc., Bot. xxviii. (1890) 92.

Trichodesma calycosum Collett & Hemsl., Photo by Hoang Thanh Son

The native range of this species is E. Himalaya to China (S. Yunnan, SW. Guizhou) and Indo-China. It is a subshrub or shrub and grows primarily in the subtropical biome.

Vietnamese name:

Mao ty đài. 

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