David Prain

Dracaena trifasciata is a species of flowering plant in the family Asparagaceae, native to tropical West Africa from Nigeria east to the Congo. It is most commonly known as the snake plant, Saint George's sword, mother-in-law's tongue (a name it shares with Dracaena hyacinthoides), and viper's bowstring hemp, among other names. Until 2017, it was known under the synonym Sansevieria trifasciata. This plant is often kept as a houseplant due to its non-demanding maintenance; they can survive with very little water and sun.

Meconopsis grandis, the Himalayan blue poppy, is a species of flowering plant in the poppy family (Papaveraceae), native to China (Yunnan), Bhutan, northeast India and Nepal. Growing to 1 m (3.3 ft) tall and broad, this hardy herbaceous perennial has a basal rosette of toothed leaves. Large, showy, pure blue flowers up to 15 cm (5.9 in) wide, with a prominent yellow central boss are produced in late Spring. The plant is valued as an ornamental, but is notably difficult to grow in normal garden conditions. Though perennial it can be short-lived. It prefers an evenly cool temperature and shaded

Dalbergia oliveri is a species of legume in the family Fabaceae which grows in tree form to 15 – 30 meters in height (up to 100 ft.). The fruit is a green pod containing one to two seeds which turn brown to black when ripe. It is threatened by habitat loss and over-harvesting for its valuable red "rosewood" timber. University of Oxford published the transcriptomes of Dalbergia oliveri and five other Dalbergia spp. It was found that D. oliveri had more R genes than the co-occurring Dalbergia cochinchinensis.

Encephalartos gratus is a species of cycad that is native to Malawi and Mozambique.

Dalbergia tonkinensis (or sua) is a species of legume in the family Fabaceae. It is a small tree, 5–13 metres (16–43 ft) tall, found in Hainan Island of China and Vietnam. It is threatened by habitat loss and overexploitation for timber. Furniture made from sua wood is particularly prized in China. While commercial sales of sua are banned in Vietnam, private sales and auctions are still permitted. Individual trees have sold for over a million US dollars.

Cynometra beddomei is a species of tree in the family Fabaceae, described from a single tree in the Western Ghats of Kerala in southwestern India. In 1998, it was declared extinct as it had never been seen again since 1870. Trees of the species have subsequently been identified in several parts of Kerala and southern Karnataka. This tree is found in streamside submontane evergreen and semi-evergreen forests from 700 to 1,000 metres elevation. The IUCN Status was updated to reflect this in 2020. It is threatened by habitat loss. The species was first described by David Prain in 1897.

Saraca thaipingensis is a tree species native to southeast Asia in the family Fabaceae. It has yellow flowers, borne on old wood, and is grown as an ornamental for floral effect. Common names include yellow ashoka and yellow saraca.

Kunstleria is a genus of flowering plants in the family Fabaceae. It belongs to the subfamily Faboideae. It grows as a woody climber or liana. It includes eight species native to India, Thailand, Peninsular Malaysia, Sumatra, Borneo, and the Philippines. Species Kunstleria keralensis is found in the southern Western Ghats of India. Kunstleria curtisii Prain Kunstleria forbesii Prain Kunstleria geesinkii Ridd.-Num. & Kornet Kunstleria keralensis C.N.Mohanan & N.C.Nair Kunstleria kingii Prain Kunstleria philippinensis Merr. Kunstleria ridleyi Prain Kunstleria sarawakensis Ridd.-Num. & Kornet

Gleadovia is a genus of flowering plants belonging to the family Orobanchaceae. Its native range is western Himalaya, Assam (in India) to southern China. The genus name of Gleadovia is in honour of Frank Gleadow (1856–1930), an English forester and plant collector in India who discovered this plant. It was first described and published in J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. Vol.69 on page 488 in 1901. Known species: Gleadovia banerjiana Deb Gleadovia konyakianorum Odyuo, D.K.Roy & Aver. Gleadovia mupinensis Hu Gleadovia ruborum Gamble & Prain

Dysolobium is a genus of flowering plants in the legume family, Fabaceae. It belongs to the subfamily Faboideae. It includes five species native to tropical Asia, ranging from the Himalayas through Indochina to southern China, Taiwan, the Philippines, Peninsular Malaysia, and Java. These plants are typically twining shrubs or woody vines, often found in wet tropical biomes, thriving in humid forests and along riverbanks.

Paraphlomis is a genus of flowering plants in the mint family, Lamiaceae, first described in 1901. It is native to China, Japan, Korea, the eastern Himalayas, Indochina, and Malesia.

Necepsia is a plant genus of the family Euphorbiaceae first described as a genus in 1910. It is native to Madagascar and to tropical Africa. Species Necepsia afzelii Prain - Liberia, Sierra Leone, Ivory Coast, Ghana, Cameroon, Congo, Cabinda, Gabon Necepsia castaneifolia (Baill.) Bouchat & J.Léonard - Tanzania, Zimbabwe, Madagascar Necepsia zairensis Bouchat & J.Léonard - Congo, Zaire

Microtoena is a genus of flowering plants in the mint family, Lamiaceae, first described in 1889. It is native to eastern and southeastern Asia, primarily China. Species Microtoena albescens C.Y.Wu & S.J.Hsuan - Guizhou Microtoena bhutanica Stearn - Bhutan Microtoena coreana H.Lév - Korea Microtoena delavayi Prain - Sichuan, Yunnan Microtoena esquirolii H.Lév. - Yunnan, Guizhou, Guangxi Microtoena griffithii Prain - Arunachal Pradesh, Bangladesh Microtoena insuavis (Hance) Prain ex Briq. - Thailand, Vietnam, Guangdong, Guizhou, Yunnan Microtoena longisepala C.Y.Wu - Sichuan Microtoena

Leucostegane is a genus of plants in the family Fabaceae. It includes two species of trees native to western Malesia – Borneo, Sumatra, and Peninsular Malaysia. Leucostegane grandis Ridl. – Sumatra and Borneo Leucostegane latistipulata (Prain) Prain – Peninsular Malaysia

Erythrococca columnaris is a species of plant in the family Euphorbiaceae. It is endemic to Príncipe.

Dendrobium regium is a species of orchid endemic to India. It has been found in Chhattisgarh, Jharkhand, Orissa, and Andhra Pradesh.

Dalbergia candenatensis is a species of flowering plant in the pea family Fabaceae. It is a scrambling shrub or vine, native to regions from tropical and subtropical Asia to the western Pacific, including northern Australia.

Dalbergia assamica, also known as Dalbergia balansae, is a species of legume in the family Fabaceae. It is a tree native to southeastern Asia, ranging from the eastern Himalayas, Bangladesh, and northeastern India through Indochina to southern China. It grows in lowland and submontane mixed deciduous and dry evergreen forests, scrub, wasteland around villages, and abandoned shifting cultivation sites from 100 to 800 metres elevation. The species was described by George Bentham in 1852. The species' taxonomic status is unsettled, as some authorities recognize D. balansae as a separate species,

Cruddasia is a genus of flowering plants in the legume family, Fabaceae. It belongs to the subfamily Faboideae.

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Ormosia gracilis is a species of flowering plant in the family Fabaceae. It is a tree endemic to Peninsular Malaysia. It is threatened by habitat loss.

Humboldtia bourdillonii is a species of endangered plant, endemic to the Western ghats in India. It is a legume in the family Fabaceae. It is also known by the Malayalam name Adimundan.

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Tannodia swynnertonii is a species of plant in the family Euphorbiaceae. It is found in Mozambique, Tanzania, and Zimbabwe.

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Ormosia polita is a species of flowering plant in the family Fabaceae. It is a tree endemic to Peninsular Malaysia. It is threatened by habitat loss.

Ormosia henryi is a species of flowering plant in the family Fabaceae, native to southern China, Vietnam, and Thailand.