Henry Nicholas Ridley

English botanist and geologist (1855–1956).

Henry Nicholas Ridley CMG (1911), MA (Oxon), FRS, FLS, F.R.H.S. (10 December 1855 – 24 October 1956) was an English botanist, geologist and naturalist who lived much of his life in Singapore. As Director of the Botanic Gardens in Singapore, he was instrumental in promoting the commercial exploitation of rubber trees in the Malay Peninsula, after devising a method of tapping rubber trees without damaging the bark or destroying the trees. As a result of his ardent attempts to persuade Malayan coffee planters to grow rubber, he became known as ‘Mad’ Ridley.

Abbreviations: Ridl.
Occupations: scientific collector, pteridologist, mycologist, geologist, botanist, botanical collector
Citizenships: United Kingdom of Great Britain and Ireland, United Kingdom
Languages: English
Dates: 1855-12-10T00:00:00Z – 1956-10-24T00:00:00Z
Birth place: Norfolk
Direct attributions: 1,561 plants, 0 fungi
Authorship mentions: 2,371 plants, 1 fungus

1,561 plants attributed, 810 plants contributed to2,371 plants:

Anisophylleaceae Ridl. 1922
plant family in the order cucurbitales
The Anisophylleaceae are a small family with four genera and about 70 species, in the order Cucurbitales, according to the APG II. However, it is more isolated from the other suprafamilial clades in this order, while it shows some similarities in flower morphology with the genus Ceratopetalum (family Cunoniaceae, order Oxalidales). Several wood features of this family are more primitive than those of the other families in the order Cucurbitales. Previously, this family was categorized under its own order, Anisophylleales, by Takhtajan in 1997. It is a pantropical family of shrubs and
Oncosperma tigillarium (Nibong Palm) (Jack) Ridl. 1900
plant species in the arecaceae family
Oncosperma tigillarium, commonly known as Nibong palm is an Asian species of palm tree in the family Arecaceae.
Lowiaceae Ridl. 1924
plant family in the order zingiberales
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Aridarum Ridl. 1913
plant genus in the araceae family
Aridarum is a genus of flowering plants in the family Araceae. All of the known species in this genus are rheophytic and are endemic to the Island of Borneo. The plant is aquatic and has willow-shaped leaves that are able to take strong currents without sustaining damage.
Poaephyllum Ridl. 1907
plant genus in the orchidaceae family
Poaephyllum is a genus of flowering plants from the orchid family, Orchidaceae native to Southeast Asia and New Guinea. Poaephyllum fimbriatum Schuit. & de Vogel - Papua New Guinea Poaephyllum grandiflorum Quisumb. - Palawan Poaephyllum pauciflorum (Hook.f.) Ridl. - Thailand, Malaysia, Borneo, Sumatra, Java, Philippines Poaephyllum podochiloides (Schltr.) Ridl. - Borneo, New Guinea Poaephyllum selebicum J.J.Sm. - Sulawesi Poaephyllum tenuipes (Schltr.) Rolfe - New Guinea Poaephyllum trilobum J.J.Sm. - New Guinea
Plagiostachys Ridl. 1899
plant genus in the zingiberaceae family
Plagiostachys is a genus of plants in the Zingiberaceae. It is native to Southeast Asia. species
Pelatantheria Ridl. 1896
plant genus in the orchidaceae family
Pelatantheria is a genus of flowering plants from the orchid family, Orchidaceae. Its species are distributed across China, Japan, the Indian subcontinent and Southeast Asia.
Geocharis (K.Schum.) Ridl. 1908
plant genus in the zingiberaceae family
Geocharis is a genus of plants in the family Zingiberaceae. It is native to insular Southeast Asia (Malaysia, Indonesia, Philippines).
Shorea laevis Ridl. 1922
vulnerable plant species in the dipterocarpaceae family
Shorea laevis is a species of tree in the family Dipterocarpaceae. It is native to Myanmar, Thailand, Sumatra, Peninsular Malaysia and Borneo. It is considered Vulnerable due to deforestation for agriculture and being logged for its timber.
Orestias Ridl. 1888
plant genus in the orchidaceae family
Orestias is a genus of orchids. It has 4 known species, all native to central Africa, including the island of São Tomé in the Gulf of Guinea. Orestias elegans Ridl. - São Tomé, Príncipe Orestias foliosa Summerh. in G.M.D.Troupin - Gabon, Zaire Orestias micrantha Summerh. - São Tomé, Cameroon, Equatorial Guinea Orestias stelidostachya (Rchb.f.) Summerh. - São Tomé
Nepenthes gracillima Ridl. 1908
plant species in the nepenthaceae family
Nepenthes gracillima (; from the Latin superlative of gracilis "slender") is a highland Nepenthes pitcher plant species, native to Peninsular Malaysia.
Geostachys (Baker) Ridl. 1899
plant genus in the zingiberaceae family
Geostachys is a genus of plants in the family Zingiberaceae. It is native to southeast Asia. As of August 2024, Plants of the World Online accepted these species:
Bulbophyllum makoyanum (Daisy Orchid) (Rchb.f.) Ridl. 1907
plant species in the orchidaceae family
Bulbophyllum makoyanum is a species of orchid in the genus Bulbophyllum.
Bulbophyllum coriophorum Ridl. 1886
plant species in the orchidaceae family
Bulbophyllum coriophorum is a species of orchid in the genus Bulbophyllum found in Madagascar. Media related to Bulbophyllum coriophorum at Wikimedia Commons
Bulbophyllum annandalei Ridl. 1920
plant species in the orchidaceae family
Bulbophyllum annandalei or Annandale's Bulbophyllum is a species of orchid in the genus Bulbophyllum in section Cirrhopetalum. It is found in peninsular Thailand and Malaysia at elevations of around 1000 meters above sea level.
Bulbophyllum acuminatum (Ridl.) Ridl. 1907
plant species in the orchidaceae family
Bulbophyllum acuminatum is a species of orchid in the genus Bulbophyllum. This orchid is commonly known as the tapering flower bulbophyllum and can be found in Southeast Asia near Thailand, Burma, and Malaysia.
Begonia rajah Ridl. 1894
plant species in the begoniaceae family
Begonia rajah is a species of flowering plant in the family Begoniaceae, native to Terengganu state, Peninsula Malaysia. It typically has striking bronze leaves and contrasting green veins, and is best suited for terrariums.
Agathis flavescens (Tahan Agathis) Ridl. 1914
vulnerable plant species in the araucariaceae family
Agathis flavescens is a species of conifer in the family Araucariaceae. It is sometimes considered a variety of Agathis dammara. Agathis flavescens is found only in remote parts of the Peninsular Malaysia. Less than 1,000 mature individuals are likely to exist in three separate populations. An area where specimens frequently display yellowing leaves is suggestive of poor nutrient conditions.
Rhynchostylis gigantea (Lindl.) Ridl. 1896
medicinal plant species in the orchidaceae family
Rhynchostylis gigantea is a species of orchid. This species was first described in 1896 by John Lindley and is native to Borneo, Myanmar, Thailand, Peninsular Malaysia, Laos, Cambodia, Vietnam, China (Hainan) and the Philippines. Rhynchostylis differs from Vanda by the one-lobed lip. Rhynchostylis are also commonly called foxtail orchids because of their long, thin, densely packed inflorescences that get up to 37 centimetres (15 in) with sweetly fragrant blooms. The inflorescences appear in autumn and winter. Due to the wide distribution of Rhynchostylis gigantea, there is a range of
Nepenthes klossii (Pitcher Plant) Ridl. 1916
endangered plant species in the nepenthaceae family
Nepenthes klossii is a tropical pitcher plant endemic to New Guinea.
Bulbophyllum subumbellatum Ridl. 1896
plant species in the orchidaceae family
Bulbophyllum subumbellatum is a species of orchid in the genus Bulbophyllum. Can be found in Peninsular Malaysia and Borneo in lowland swamp forests on tree trunks and branches at elevations.
Bulbophyllum skeatianum Ridl. 1915
plant species in the orchidaceae family
Bulbophyllum skeatianum is a species of orchid in the genus Bulbophyllum.
Bulbophyllum pustulatum Ridl. 1903
plant species in the orchidaceae family
Bulbophyllum pustulatum is a species of orchid in the genus Bulbophyllum.
Bulbophyllum occlusum Ridl. 1885
plant species in the orchidaceae family
Bulbophyllum occlusum is a species of orchid in the genus Bulbophyllum found in Madagascar.
Bulbophyllum lilacinum Ridl. 1896
plant species in the orchidaceae family
Bulbophyllum lilacinum is a species of orchid in the genus Bulbophyllum.
Bulbophyllum dryas Ridl. 1915
plant species in the orchidaceae family
Bulbophyllum dryas is a species of orchid in the genus Bulbophyllum.
Bulbophyllum coniferum Ridl. 1909
plant species in the orchidaceae family
Bulbophyllum coniferum is a species of orchid from the genus Bulbophyllum family.
Bulbophyllum cleistogamum Ridl. 1896
plant species in the orchidaceae family
Bulbophyllum cleistogamum is a species of orchid in the genus Bulbophyllum.
Bulbophyllum cheiropetalum Ridl. 1926
vulnerable plant species in the orchidaceae family
Bulbophyllum cheiropetalum is a species of orchid in the genus Bulbophyllum.
Begonia eiromischa (Woolly-stalked Begonia) Ridl. 1917
extinct plant species in the begoniaceae family
Begonia eiromischa, commonly known as woolly-stalked begonia, is a presumed extinct plant from Malaysia. It occurred at granite rocks at an elevation of 170 m in the proximity of dipterocarp forests. Begonia eiromischa is only known from two collections made in 1886 and 1898 at Pulau Betong, Penang Island in Malaysia. Its habitat was completely destroyed as a result of agricultural alteration, especially farming and logging. Despite extensive surveys it could not be rediscovered and so it was officially declared extinct by the IUCN in 2007.
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