Louis-Marie Aubert du Petit-Thouars

French botanist (1758-1831).

Louis-Marie Aubert du Petit-Thouars (5 November 1758, Bournois – 12 May 1831, Paris) was a French botanist known for his work collecting and describing orchids from the three islands of Madagascar, Mauritius and Réunion. The standard author abbreviation Thouars is used to indicate this person as the author when citing a botanical name.

Abbreviations: Thouars
Occupations: scientific collector, explorer, botanist, botanical collector
Citizenships: France
Languages: Latin, French
Dates: 1758-11-05T00:00:00Z – 1831-05-12T00:00:00Z
Birth place: Anjou
Direct attributions: 131 plants, 0 fungi
Authorship mentions: 213 plants, 0 fungi

131 plants attributed, 82 plants contributed to213 plants:

Bulbophyllum Thouars 1822
plant genus in the orchidaceae family
Bulbophyllum is a genus of mostly epiphytic and lithophytic orchids in the family Orchidaceae. It is the largest genus in the orchid family and one of the largest genera of flowering plants with more than 2,000 species, exceeded in number only by Astragalus. These orchids are found in diverse habitats throughout most of the warmer parts of the world including Africa, southern Asia, Latin America, the West Indies, and various islands in the Indian and Pacific Oceans. Orchids in this genus have thread-like or fibrous roots that creep over the surface of trees or rocks or hang from branches. The
Corymborkis (Crow Orchid) Thouars 1809
plant genus in the orchidaceae family
Corymborkis, commonly known as cinnamon orchids, or 管花兰属 (guan hua lan shu) is a genus of eight species of orchids in the family Orchidaceae. They are evergreen, terrestrial plants which grow in clumps and have thin roots, leafy stems, pleated leaves and widely-opening flowers with thin, spreading sepals and petals. They are widely distributed in the tropics.
Macaranga Thouars 1806
plant genus in the euphorbiaceae family
Macaranga is a large genus of Old World tropical trees of the family Euphorbiaceae and the only genus in the subtribe Macaranginae (tribe Acalypheae). Native to Africa, Australasia, Asia and various islands of the Indian and Pacific Oceans, the genus comprises over 300 different species. It was first described as a genus in 1806, based on specimens collected on the Island of Mauritius. Many species, such as Macaranga gigantea have uncommonly large leaves, and many are peltate. Macaranga are noted for being pioneer species. Macaranga species are used as food plants by the larvae of some
Cynorkis Thouars 1809
plant genus in the orchidaceae family
Cynorkis is a genus of orchids in the subtribe Orchidinae. Species in this genus are native to mainland Africa, the Comoro Islands, the Mascarene Islands, and Madagascar.
Angraecum sesquipedale (Darwin’s Orchid) Thouars 1809
plant species in the orchidaceae family
Angraecum sesquipedale, also known as Darwin's orchid, Christmas orchid, Star of Bethlehem orchid, and king of the angraecums, is an epiphytic orchid in the genus Angraecum endemic to Madagascar. The orchid was first discovered by the French botanist Louis-Marie Aubert du Petit-Thouars in 1798, but was not described until 1822. It is noteworthy for its long spur and its association with the naturalist Charles Darwin, who surmised that the flower was pollinated by a then undiscovered moth with a proboscis whose length was unprecedented at the time. Darwin's prediction went unverified for 21
Intsia Thouars 1806
plant genus in the fabaceae family
Intsia is a genus of flowering plants in the family Fabaceae. It includes two species which range from eastern Africa and Madagascar to India, Indochina, Malaysia, Papua New Guinea, northern Australia, and the south Pacific. They are trees which grow up to 40 (–45) meters tall, often buttressed, evergreen and unarmed. Typical habitat is humid tropical lowland forest including coastal forest on sand, rain forest, mangrove fringes and tidal river mouths, and occasionally inland on hills. Intsia bijuga (Colebr.) Kuntze – Zanzibar, Madagascar, and the Indian Ocean Islands to India, Indochina,
Stephanotis Thouars 1806
plant genus in the apocynaceae family
Stephanotis is a genus of flowering plants first described in 1806. The name derives from the Greek στεφανωτής (stephanōtís) meaning, by sense, “fit for a crown”—from στέφανος (stéphanos), “crown”. It contains evergreen, woody-stemmed lianas with a scattered distribution in several tropical and subtropical regions. Stephanotis are grown for their strongly perfumed, waxy, tubular, usually white flowers. Leaves are opposite, ovate to elliptic, and leathery. Stephanotis is a beautiful but difficult plant - it hates sudden changes in temperature, needs constant cool conditions in winter and is
Blyxa Noronha ex Thouars 1806
plant genus in the hydrocharitaceae family
Blyxa is a genus of an aquatic plant of the family Hydrocharitaceae described as a genus in 1806. It is native to tropical and subtropical regions of Africa, Asia, Madagascar, and Australia. Species Blyxa aubertii A. Rich. - China, Japan, Korea, Indian Subcontinent, SE Asia, New Guinea, N Australia, Caroline Islands, Madagascar, Tanzania, Mozambique Blyxa echinosperma (C.B.Clarke) Hook.f. - China, Japan, Korea, Indian Subcontinent, SE Asia, New Guinea, N Australia Blyxa hexandra C.D.K.Cook & Luond - central Africa Blyxa japonica (Miq.) Maxim. ex Asch. & Gürke - China, Japan, Korea, Indian
Hydrostachys Thouars 1806
plant genus in the hydrostachyaceae family
Hydrostachys is a genus of about 22 species of flowering plants native to Madagascar and southern and central Africa. It is the only genus in the family Hydrostachyaceae. All species of Hydrostachys are aquatic, growing on rocks in fast-moving water. They have tuberous roots, usually pinnately compound leaves, and highly reduced flowers borne on dense spikes. The phylogenetic placement of Hydrostachys is particularly problematic. Owing to its specialized aquatic morphology, it has often been grouped with other aquatic plants, such as those in the family Podostemaceae. However, embryological,
Asteropeia Thouars 1807
plant genus in the asteropeiaceae family
"Asteropeia" may also refer to a figure in Greek mythology, see Antinoe Asteropeia is a genus of flowering plants. The genus contains 8 known species of shrubs and small trees, all endemic to Madagascar. It is the sole genus in family Asteropeiaceae. Members of the family are evergreen trees or shrubs. Members of the family were separated from the Theaceae based on wood anatomy by the APG system of 1998, and assigned to the order Caryophyllales in the clade core eudicots. The family consists of a single genus, Asteropeia, native to Madagascar. According to the AP-Website it forms a clade
Physena Noronha ex Thouars 1806
plant genus in the physenaceae family
Physena is the sole genus of the flowering plant family Physenaceae. It contains two species of shrubs and small trees which are endemic to Madagascar. The APG II system, of 2003 (unchanged from the APG system, of 1998), does recognize this family and assigns it to the order Caryophyllales in the clade core eudicots.
Halophila (Seagrass) Thouars 1806
plant genus in the hydrocharitaceae family
Halophila is a genus of seagrasses in the family Hydrocharitaceae, the tape-grasses. It was described as a genus in 1806. The number of its contained species, and its own placement in the order Alismatales, has evolved.
Bonamia (Lady's Nightcap) Thouars 1804
plant genus in the convolvulaceae family
Bonamia is a genus of the flowering plant family Convolvulaceae, commonly known as the bindweed family and named after the French physician and botanist François Bonamy (1710-1786). Members of the genus are commonly known as the lady's nightcap.
Voacanga Thouars 1806
plant genus in the apocynaceae family
Voacanga is a genus of plants in the family Apocynaceae found in Africa, Southeast Asia, New Guinea, and Australia. As of August 2013 the World Checklist of Selected Plant Families recognises 13 species: Species Voacanga africana Stapf ex Scott-Elliot - tropical W + C + E + S Africa Voacanga bracteata Stapf - tropical W + C Africa Voacanga caudiflora Stapf - tropical W Africa Voacanga chalotiana Pierre ex Stapf - tropical C Africa Voacanga foetida (Blume) Rolfe -Java, Borneo, Sumatra, Philippines Voacanga globosa (Blanco) Merr. - Philippines Voacanga gracilipes (Miq.) Markgr. - Maluku
Graphorkis Thouars 1809
plant genus in the orchidaceae family
Graphorkis is a genus of flowering plants from the orchid family, Orchidaceae. It contains 4 known species, native to Africa and to Madagascar and other islands of the Indian Ocean.
Dichapetalum Thouars 1806
plant genus in the dichapetalaceae family
Dichapetalum is a genus in the plant family Dichapetalaceae. The plants are tropical lianas native mainly to tropical regions of Africa, Asia, Malesia, the West Indies, Australia and Latin America. Some species are known to be poisonous due to the presence of toxic fluorinated compounds, such as fluorooleic acid and fluoroacetic acid and dichapetalins, a unique class of cytotoxic compounds that are only found within this genus.
Bulbophyllum nutans (Thouars) Thouars 1822
plant species in the orchidaceae family
Bulbophyllum nutans is a species of epiphytic orchid native to Madagascar and the Mascarene Islands in the family of Orchidaceae. They form into a cluster, creating a group of green-like bulb appearance that form pseudobulbs with cotyledon-like leaves on top that usually has two leaves. The orchids form an inflorescence of white-golden like flowers that shoot out from beneath the orchid's pseudobulbs.
Hederorkis Thouars 1809
plant genus in the orchidaceae family
Hederorkis is a genus of flowering plants from the orchid family, Orchidaceae. It contains two known species, both native to islands in the Indian Ocean (Seychelles and Mauritius).
Bulbophyllum longiflorum (Pale Umbrella Orchid) Thouars 1822
plant species in the orchidaceae family
Bulbophyllum longiflorum, commonly known as the pale umbrella orchid, is a species of epiphytic or lithophytic orchid. It has a creeping rhizome, widely spaced, dark green pseudobulbs with a single large, fleshy leaf, and flowers spreading in a semicircular umbel, resembling one-half of an umbrella. The flowers are canoe-shaped, greenish cream-coloured to yellowish with purple dots. It has a wide distribution and is found in parts of Africa, on islands in the Indian and Pacific Oceans, Southeast Asia, New Guinea and northern Australia.
Aspilia Thouars 1806
plant genus in the asteraceae family
Aspilia is a genus of flowering plants in the family Asteraceae. Aspilia is native to sub-Saharan Africa, Madagascar, Yemen, and tropical South America. Some authors have merged this genus with Wedelia, but others maintain that more study is required.
Phylica arborea (Island Cape Myrtle) Thouars 1808
endangered plant species in the rhamnaceae family
Phylica arborea, also known as the Island Cape myrtle, is a shrub or small tree with narrow needle-like dark green leaves, downy silver on the underside, and with greenish white terminal flowers. Usually a shrub or procumbent tree, it may reach 6–7 m in height in sheltered locations. It is found on various isolated islands, including the Tristan da Cunha group and Gough Island, in the South Atlantic Ocean, as well as Amsterdam Island in the southern Indian Ocean.
Pandanus palustris Thouars 1808
critically endangered plant species in the pandanaceae family
Pandanus palustris ("Vacoas des marais") is a species of plant in the family Pandanaceae, endemic to Mauritius. It was once common in marshes and in the wetter highlands of Mauritius, but is now threatened by habitat loss.
Bulbophyllum pendulum Thouars 1822
plant species in the orchidaceae family
Bulbophyllum pendulum is a species of orchid.
Bulbophyllum caespitosum Thouars 1822
plant species in the orchidaceae family
Bulbophyllum caespitosum is a species of orchid in the genus Bulbophyllum from Mauritius and Reunion.
Alafia Thouars 1806
plant genus in the apocynaceae family
Alafia is a genus of lianas or climbing shrubs found in tropical Africa and Madagascar. The World Checklist of Selected Plant Families recognises 26 species:
Tristellateia Thouars 1806
plant genus in the malpighiaceae family
Tristellateia is a genus in the Malpighiaceae, a family of about 75 genera of flowering plants in the order Malpighiales. Species of this genus are woody vines or sometimes shrubs with twining branches. Tristellateia includes one species in eastern Africa (T. africana S. Moore); a second species (T. australasiae A. Rich.) is widespread in southeastern Asia and also commonly cultivated as an ornamental. All other species are endemic to Madagascar.
Paropsia Noronha ex Thouars 1808
plant genus in the passifloraceae family
Paropsia is a genus of flowering plants belonging to the family Passifloraceae. Its native range is Tropical and Southern Africa.
Didymeles Thouars 1804
plant genus in the buxaceae family
Didymeles is a genus of flowering plants. It is variously treated as the only genus of the family Didymelaceae — or in the family Buxaceae, as in the APG IV system. The genus Didymeles is restricted to Madagascar and the Comoros. In Madagascar, the two species are found in humid montane habitats, up to 1,500 m, in two disconnected areas in the north-east and south-east of the island. Fossils assignable to this genus have been found in New Zealand, suggesting a much wider distribution in the past. The conservation status of D. integrifolia has been assessed as of "least concern".
Bulbophyllum pusillum Thouars 1822
plant species in the orchidaceae family
Bulbophyllum pusillum is a species of orchid in the genus Bulbophyllum.
Bulbophyllum occultum Thouars 1822
plant species in the orchidaceae family
Bulbophyllum occultum is a species of orchid in the genus Bulbophyllum.
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