William Turner Thiselton-Dyer

Cycas beddomei is a species of cycad in the genus Cycas, native to India, where it is confined to a small area of Andhra Pradesh state in the Tirumala Hills in scrubland and brush covered hills. Superficially similar to Cycas revoluta, it has erect, solitary stems. There are 20–30 leaves in the crown, each leaf 90 cm long, stiff, lanceolate, pinnate, with 50–100 pairs of leaflets, these 10–17.5 cm long and 3–4 mm wide, and angled forward at 45 degrees; the leaf petiole bears minute spines. The female cones are open, with sporophylls 15–20 cm long, with pink-brown coloured tomentose down, with

Dipterocarpus intricatus (Khmer: tra:ch (ត្រាច), tra:ch sa (ត្រាចស), tra:ch snaèng (ត្រាចស្នែង), tra:ch sra: (ត្រាចស្រា), Thai: ยางกราด (yang-krat)) is a species of tree in the family Dipterocarpaceae found in Thailand, Cambodia, Laos and Vietnam. The tree, itself deciduous, is found in dense deciduous forests and clear forests. It is often met in pure stands in deciduous, periodically flooded lowland forests, but can also be found in dense forest at up to 1300m altitude. In Thailand it sometimes occurs growing gregariously with D. obtusifolious, D. tuberculatus, Shorea robusta and S.

Cycas micholitzii is a species of cycad in Vietnam and Laos.

Cratoxylum formosum is a species of flowering plant in the family Hypericaceae. Its commercial name in timber production is "mampat". The trees reach to 35 metres (115 ft) tall, though they rarely achieve the size required for timber exploitation.

Dipterocarpus crinitus (Indonesian: tampurau) is a species of plant in the family Dipterocarpaceae. The species name is derived from Latin (crinitus = having tufts of long weak hair) and refers to golden-brown bristle-like hairs that cover the plant parts. It is an emergent tree, up to 60 m tall, in mixed dipterocarp forest on sandy clay soils. It is a medium hardwood sold under the trade names of keruing. It is found in Peninsular Thailand, Sumatra, Peninsular Malaysia and Borneo.

Dryobalanops beccarii, or kapur merah, is a species of plant in the family Dipterocarpaceae. It is named after Odoardo Beccari (1843–1920), an Italian explorer and botanist. The species is found in Peninsular Malaysia and Borneo. It grows as a large emergent tree, up to 65 m (210 ft) tall, and is found in mixed dipterocarp forests on shallow leached soils over both sandstone and shale. Its heavy hardwood is sold under the trade names of kapur. Dryobalanops beccarii is recorded from a number of protected areas including Bako, Gunung Gading, Kubah and Santubong national parks.

Dipterocarpus cornutus is a species of tree in the family Dipterocarpaceae native to Peninsular Malaysia, Singapore, Sumatra, and Kalimantan. Reaching heights of up to 50 meters tall, it is known for having large leaves. Its flowers are around 4 cm in diameter and of a pale yellow colouration. It drops seeds with green holes in the middle.

Zamia acuminata is a species of plant in the family Zamiaceae which is threatened by habitat loss. It is found in Costa Rica and Panama. The holotype of Zamia acuminata is a leaf collected by Anders Sandøe Ørsted in Costa Rica or Nicaragua between 1846 and 1848. It was described by William Turner Thiselton-Dyer in 1884. While the label with the specimen has the note ad flumen S. Juan Nicaragua on it, suggesting that the leaf was collected near the San Juan River in southern Nicaragua, no other specimens of the plant have been found in Nicaragua or adjacent parts of Costa Rica. In 1993, Dennis

Rubroshorea acuminata (called, along with some other species in the genus Rubroshorea, dark red meranti, light red meranti, or sometimes red lauan) is a species of plant in the family Dipterocarpaceae. It is native to Sumatra and Peninsular Malaysia.

Dryobalanops oblongifolia is a species of flowering plant in the family Dipterocarpaceae. It is a tree native to Borneo, Peninsular Malaysia, and Sumatra. The species name is derived from Latin (oblongus = rather long and leaf (folium = leaf); and refers to the shape of the leaf.

Adinandra integerrima is a species of plant in the Pentaphylacaceae family. It is found in Malaysia and Singapore. It is threatened by habitat loss.

Vatica maingayi is a species of flowering plant in the family Dipterocarpaceae. It is a tree native to Borneo, Peninsular Malaysia, Singapore, and Sumatra. It is a Vulnerable species threatened by habitat loss.

Rubroshorea parvifolia is a species of tree in the family Dipterocarpaceae, commonly known as light red meranti and white lauan. It is native to Borneo, Sumatra, Peninsular Malaysia, and Peninsular Thailand.

Hopea philippinensis is a species of plant in the family Dipterocarpaceae. It is endemic to the Philippines. It is an endangered species threatened by habitat loss.

Vatica pallida is a species of plant in the family Dipterocarpaceae. It is a tree endemic to Peninsular Malaysia. It is an endangered species threatened by habitat loss.

Landolphia kirkii (known as sand apricot-vine, rubber vine or Kirk's landolphia) is a species of liana from the family Apocynaceae that can be found in Democratic Republic of the Congo, Malawi, Mozambique, Tanzania, Zambia, Zimbabwe, and in the KwaZulu-Natal province of South Africa.

Hopea racophloea is a species of flowering plant in the family Dipterocarpaceae. It is a tree native to Kerala and Karnataka states in southwestern India. It grows in evergreen moist forests in the Western Ghats from 400 to 1,000 metres elevation.

Cratoxylum maingayi is a flowering tree in the family Hypericaceae. The species is harvested for derum timber for limited local use.

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Adesmia resinosa is a species of flowering plant in the legume family, Fabaceae. It belongs to the subfamily Faboideae. The species is found in portions of South America, with an example location being La Campana National Park in central Chile as an understory associate of the Chilean wine palm.

Rubroshorea macroptera (commonly known, along with some other dipterocarp species, as light red meranti) is a species of flowering plant in the family Dipterocarpaceae. It is a tree native to Borneo, Sumatra, Peninsular Malaysia, and Peninsular Thailand. It is a large tree, up to 40 or 50 metres tall, which grows in lowland mixed dipterocarp rain forests on clay soils over sedimentary or igneous rocks. The species was first described as Shorea macroptera by William Turner Thiselton-Dyer in 1874. In 2022 Peter Shaw Ashton and Jacqueline Heckenhauer placed the species in genus Rubroshorea as R.

Landolphi mannii is a liana within the dogbane family (Apocynaceae). It is commonly called Jungle chocolate or Malombo. Its fruit, with significant lipid and iron content is consumed by locals and it is also a part of the diet the Mandrillus sphinx.

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Hypericum monanthemum is a species of flowering plant of the St. John's wort family (Hypericaceae) which is native to the Himalayan mountains.

Hopea oblongifolia is a species of flowering plant in the family Dipterocarpaceae. It a tree native to northeastern India, Myanmar, and Peninsular Thailand. It is a small tree which grows in lowland tropical moist forest. The species was described by William Turner Thiselton-Dyer in 1874.

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Adinandra griffithii is a species of plant in the Pentaphylacaceae family.

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