William Jack

Murraya paniculata, commonly known as orange jasmine, orange jessamine, china box, cosmetic barktree, or mock orange, is a species of shrub or small tree in the family Rutaceae and is native to South Asia, Southeast Asia and Australia. It has smooth bark, pinnate leaves with up to seven egg-shaped to elliptical leaflets, fragrant white or cream-coloured flowers and oval, orange-red berries containing hairy seeds.

Eurycoma longifolia (commonly called tongkat ali, Malaysian ginseng or long jack) is a flowering plant in the family Simaroubaceae. It is native to Indochina (Cambodia, Laos, Malaysia, Myanmar, Thailand and Vietnam) and Indonesia (the islands of Borneo and Sumatra), but has also been found in the Philippines. The plant is a medium-sized slender shrub that can reach 10 m (33 ft) in height, and is often unbranched. The root has been used in traditional medicine in Southeast Asia over centuries. It is also a widely used dietary supplement by bodybuilders, who believe that it increases

Aeschynanthus is a genus of about 150 species of evergreen subtropical and tropical plants in the family Gesneriaceae. They are usually trailing epiphytes with brightly colored flowers that are pollinated by sunbirds. The genus name comes from a contraction of aischuno (to be ashamed) and anthos (flower). The common name for some species is lipstick plant, which comes from the appearance of the developing buds emerging from the calyces. The genus contains a large variety of plants with differing features. Some have thick, waxy cuticles while others have much softer leaves. Species such as A.

Nepenthes ampullaria (; Latin ampulla meaning "flask") is a very distinctive and widespread species of tropical pitcher plant, present in Borneo, the Maluku Islands, New Guinea, Peninsular Malaysia, Singapore, Sumatra, and Thailand. Nepenthes ampullaria is unique among its genus by having evolved away from carnivory; the plants are partly detritivores, collecting and digesting falling leaf litter in their pitchers. In the 1996 book Pitcher-Plants of Borneo, N. ampullaria is given the vernacular name flask-shaped pitcher-plant. This name, along with all others, was dropped from the

Myrmecodia is a genus of epiphytic plants, present in Indochina, Malesia, Papuasia, and Queensland, Australia. It is one of five ant-plant genera in the family Rubiaceae, the others being Anthorrhiza, Hydnophytum, Myrmephytum, and Squamellaria. Myrmecophytes, or ant plants, live in a mutualistic association with a colony of ants. These plants possess structural adaptations that provide ants with food and/or shelter. Myrmecodia are also classified as epiphytes. The term epiphytic derives from the Greek epi- (meaning 'upon') and phyton (meaning 'plant'). Epiphytic plants are sometimes called

Nepenthes rafflesiana (; after Stamford Raffles), or Raffles' pitcher-plant, is a species of tropical pitcher plant. It has a very wide distribution covering Borneo, Sumatra, Peninsular Malaysia, and Singapore. Nepenthes rafflesiana is extremely variable, with numerous forms and varieties described. In Borneo alone, there are at least three distinct varieties. The giant form of this species produces enormous pitchers rivalling those of N. rajah in size.

Mangifera caesia is a species of flowering plant in the cashew family, Anacardiaceae. Known in English as jack or white mango, among other names. It belongs to the same genus as the mango and is widely cultivated in areas of Indonesia, Malaysia, Singapore, Brunei, Papua New Guinea and the Philippines. It was featured in Malaysian stamp, printed in 1999 as a postage stamp in the rare fruits series.

Lasianthus is a genus of flowering plants in the family Rubiaceae. They are tropical subshrubs, shrubs, or rarely, small trees. They inhabit the understory of primary forests. Lasianthus has about 300 species. The type species for the genus is Lasianthus cyanocarpus. In 2012, a revision of Lasianthus in Malesia described 131 species. Another 30 or so species grow elsewhere in tropical Asia. Most of these are described in Flora of China or in A Revised Handbook to the Flora of Ceylon. 14 or 15 species are native to the Western Ghats of southwestern India, including the endemic Lasianthus

Ficus deltoidea, commonly known as mistletoe fig (mas cotek in Malaysian, tabat barito in Indonesia, or สาลิกาลิ้นทอง in Thai) is a species of flowering plant in the family Moraceae, native to Southeast Asia, and widely naturalized in other parts of the world.

Adinandra is a genus of plant in the family Pentaphylacaceae. It contains the following species:

Hydnophytum is a genus of epiphytic myrmecophytes (ant plants) native to Southeast Asia, the Pacific region and also extending into Queensland in northern Australia. The name is derived from the Ancient Greek hydnon "tuber", and phyton "plant", after their appearance with their swollen succulent stems. The species grow in tree branches and on trunks. Like the related genus Myrmecodia, they are known as antplants or ant-house plants. The type species is Hydnophytum formicarum from the Philippines. The genus contains 55 species, of which 44 are found in and around the island of New Guinea. Many

Myrmecodia tuberosa, one of many plants commonly known as ant plant, is a species of epiphytic plant in the family Rubiaceae. The species has a symbiotic relationship with some ant species where ants use the hollow body of the plant as shelter, defend the plant from other insects, and provide nutrients to the plant through their waste.

Eurycoma is a small genus of flowering plants in the family Simaroubaceae, native to tropical Southeast Asia. They are small evergreen trees with spirally arranged pinnate leaves. The flowers are small, produced in large panicles. As of December 2023, Plants of the World Online accepted the following species: Eurycoma apiculata Benn. Eurycoma harmandiana Pierre Eurycoma longifolia Jack

Acrotrema is a genus of flowering plants in the family Dilleniaceae. It is found in South Asia in India, Malaysia, Myanmar, Sri Lanka, and Thailand.

Rhodamnia is a group of rainforest trees and shrubs in the myrtle family described as a genus in 1822. They are native to southern China, Southeast Asia, Papuasia, Australia, and New Caledonia. The name is derived from the Greek rhodon which means "rose". And amnion, "bowl" where the blood of lambs was poured after sacrifice. It refers to the bowl shaped calyx tubes. Leaves are opposite and mostly three veined in appearance. The fruit is a small berry with a few seeds. Species

Mangifera quadrifida is a species of plant in the family Anacardiaceae. It is a tree native to Peninsular Malaysia, Sumatra and Borneo.

Ixonanthes is a genus of trees in the family Ixonanthaceae. It contains the following species: Ixonanthes icosandra Jack Ixonanthes petiolaris Blume – from Thailand to the Philippines and Sulawesi Ixonanthes reticulata Jack – from China to New Guinea

Loxonia is a genus of flowering plants belonging to the family Gesneriaceae. It includes three species native to Peninsular Malaysia, Sumatra, and Borneo. Species: Loxonia burttiana A.Weber Loxonia discolor Jack Loxonia hirsuta Jack

Aeschynanthus radicans is a vine-like plant in the family Gesneriaceae. It is native to the humid tropics of the Malay Peninsula south to Java.

Rhodamnia cinerea is a rainforest tree of Southeast Asia, in the family Myrtaceae. It is a small tree that grows up to 15 m. In Sundanese, this tree is called "ki beusi". The name 'Silverback' was given due to the silvery underside of the leaves for individuals growing in open country. The leaves (2–7 cm) are simple, opposite, oblong, with three main longitudinal veins. The clustered flowers are small, white and fragrant, reddish at the centre. The fruits are berries that turn from green to red then black when mature. Each has 3–8 seeds.

Peronema is a genus of flowering plant in the family Lamiaceae, first described in 1822. It contains only one known species, Peronema canescens, native to Thailand, Malaysia, Borneo, Sumatra, and Java.

Leuconotis is a genus of plant in family Apocynaceae first described as a genus in 1823. It is native to Southeast Asia (Thailand, Borneo, Malaysia, Sumatra). Species Leuconotis anceps Jack - W Malaysia, Borneo, Sumatra Leuconotis bullata Leeuwenb. - Sabah Leuconotis eugeniifolia (Wall. ex G.Don) A.DC. - W Malaysia, Borneo, Sumatra Leuconotis griffithii Hook.f. - S Thailand, W Malaysia, Borneo, Sumatra

Lecananthus is a genus of flowering plants belonging to the family Rubiaceae. Its native range is Western Malesia. Species: Lecananthus erubescens Jack Lecananthus peduncularis Puff Lecananthus pentander (Merr.) Puff

Lagerstroemia floribunda, also known as Thai crape myrtle and kedah bungor, is a species of flowering plant in the family Lythraceae. It is native of the tropical region of Southeast Asia. In Thailand, it is the provincial tree of Saraburi Province.

Hydnophytum formicarum, commonly called a "Baboon's head" or "Ant plant", is an epiphyte native to Southeast Asia and is considered critically endangered in Singapore. It is a myrmecophyte as ants live in its tuber, also known as a caudex, and pollinate its flowers. It resides in open-canopied areas, rainforests, and terrestrial regions of high elevation.

Euthemis is a genus of plant in the family Ochnaceae. The generic name is from the Greek meaning "good law", referring to the even thickness and symmetry of the leaves.

Tabernaemontana macrocarpa grows as a shrub or tree up to 30 metres (100 ft) tall, with a trunk diameter of up to 50 centimetres (20 in). The bark is yellowish brown, brown, grey-brown or grey. Its fragrant flowers feature combinations of cream, white and orange corolla lobes. The fruit is orange, with paired follicles, each up to 16 centimetres (6 in) in diameter. The specific epithet macrocarpa is from the Greek meaning 'large fruit'. Its habitat is forests from sea level to 1,500 metres (5,000 ft) altitude. Tabernaemontana macrocarpa has been used as arrow poison. The species is native to

Sphenodesme is a genus of plants in the family Lamiaceae, first described in 1820. The genus is native to southern China, the Indian subcontinent, Indo-China and Malesia.

Rauvolfia sumatrana is a tree in the family Apocynaceae.

Pternandra is a genus of trees in the Melastomataceae family. There are 17 species in the taxa. It is native to an area from northern Australia through Southeast Asia to Hainan, Zhōngguó/China and India. The botanist William Jack who named the taxa, died at 27 years of age, the year his description was published.