Goniothalamus expansus | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Magnoliids |
Order: | Magnoliales |
Family: | Annonaceae |
Genus: | Goniothalamus |
Species: | G. expansus |
Binomial name | |
Goniothalamus expansus | |
Goniothalamus expansus is a species of plant in the family Annonaceae. It is native to Thailand and Vietnam. [1] William Grant Craib, the British botanist who first formally described the species, named it after its expanded (expansus in Latin) stigmas. [2] [3]
It is a bush reaching 3 meters in height. Its branches are smooth and gray. Its petioles are 7 millimeters long with a channel on their upper surface. Its smooth, papery, elliptical to oblong leaves are 14–20 by 5–8.5 centimeters with tips that taper to a point and wedge-shaped to pointed bases. The leaves are paler on their undersides and have margins that are deflected down toward their undersides. The leaves have 12–14 pairs of secondary veins emanating from their midribs. Its green flowers are on 20–25 millimeters long, smooth pedicels. Its 3 oval sepals are 8 by 4.5 millimeters and come to a point at their tips. The outer surfaces of the sepals are hairless and warty and the inner surface are hairless. Its flowers have 6 petals in two rows of 3. Its outer, lance-shaped petals are 2.7 by 0.5 centimeters and have a fleshy base transitioning into a thinner tapering point at their tips. The outer petals have sparse fine hairs but are otherwise smooth. The oblong to oval, fleshy, inner petals are 9 by 4 millimeters. The inner leaves have fine hairs at their tips and are coherent. stamen are 1.75 millimeters long. Its gynoecium are covered in rust-colored hairs and have 2.25 millimeter long styles, and two-lobed, expanded stigma that are 1.75 millimeters wide. [3] Its flowers remain attached to its smooth, oval fruit. The 16 by 10 millimeter fruit have one 15 by 10 millimeter seed, and are borne on a 5 millimeter long stipe. [4]
Its pollen are shed as permanent tetrads. [4]
It has been observed growing in evergreen forests at elevations of 100 meters. [3] [4]
Goniothalamus aurantiacus is a species of plant in the family Annonaceae. It is native to Thailand. Piya Chalermglin and Richard M.K. Saunders, the botanists who first formally described the species, named it after its orange colored inner petals.
Goniothalamus calvicarpus is a species of plant in the family Annonaceae. It is native to China, Laos and Thailand. William Grant Craib, the British botanist who first formally described the species, named it after its hairless fruit.
Goniothalamus elegans is a species of plant in the family Annonaceae. It is native to Thailand and Vietnam. Suzanne Jovet-Ast, the French botanist who first formally described the species, named it after its elegant thin, flexible leaves.
Goniothalamus laoticus is a species of plant in the family Annonaceae. It is native to Laos and Thailand. It was originally described by the French botanists Achille Eugène Finet and François Gagnepain using the basionym Mitrephora laotica. In Thailand it is commonly called Khao Lam-dong and is used as a traditional medicine.
Goniothalamus latestigma is a species of plant in the family Annonaceae. It is native to Myanmar and Thailand. Cecil Ernest Claude Fischer, the botanist who first formally described the species, named it after its broad stigmas.
Goniothalamus macrophyllus is a species of plant in the family Annonaceae. It is native to Borneo, Java, the Malay Peninsula, Sumatra and Thailand. Carl Ludwig Blume, the German-Dutch botanist who first formally described the species using the basionym Unona macrophylla, named it after its large leaves. It is commonly called Penawar Hitam in the Malaya Peninsula, Ki Cantung in Indonesia, Limpanas Putih in Brunei, and Chin Dok Diao in Thailand.
Goniothalamus maewongensis is a species of plant in the family Annonaceae. It is native to Thailand. Richard M.K. Saunders and Piya Chalermglin, who first formally described the species, named it after the Mae Wong National Park in Thailand where the type specimen was collected.
Goniothalamus malayanus is a species of plant in the family Annonaceae. It is native to Borneo, the Malay Peninsula, the Nicobar Islands, Sumatra and Thailand. Joseph Dalton Hooker and Thomas Thomson, the British botanists who first formally described the species, named it after part of its habitat range, British Malaya.
Goniothalamus nitidus is a species of plant in the family Annonaceae. It is native to Borneo. Elmer Drew Merrill, the American botanist who first formally described the species, named it after its shining leaves.
Goniothalamus puncticulifolius is a species of plant in the family Annonaceae. It is native to Borneo and The Philippines. Elmer Drew Merrill, the American botanist who first formally described the species, named it after its minutely spotted leaves.
Goniothalamus ridleyi is a species of plant in the family Annonaceae. It is native to Borneo, Peninsular Malaysia, Sumatra and Thailand. George King, who first formally described the species, named it after the English botanist Henry Nicholas Ridley who collected the specimen King examined.
Goniothalamus rotundisepalus is a species of plant in the family Annonaceae. It is native to Peninsular Malaysia and Thailand. Murray Ross Henderson, the Scottish botanist who first formally described the species, named it after its sepals which are rounded like the arc of a circle.
Goniothalamus rongklanus is a species of plant in the family Annonaceae. It is native to Thailand. Richard Saunders and Piya Chalermglin first formally described the species and named it after Phu Hin Rong Kla National Park in Thailand.
Goniothalamus sawtehii is a species of plant in the family Annonaceae. It is native to Myanmar and Thailand. Cecil Ernest Claude Fischer the botanists who first formally described the species, named it in honor of Maung Saw Teh, a plant collector who provided the specimen examined by Fischer.
Goniothalamus scortechinii is a species of plant in the family Annonaceae. It is native to Peninsular Malaysia and Thailand. George King, the British botanist who first formally described the species, named it in honor of Benedetto Scortechini, an Italian priest and member of the Linnean Society of London and New South Wales who collected many important botanical samples in Peninsular Malaysia.
Goniothalamus tamirensis is a species of plant in the family Annonaceae. It is native to Cambodia, Laos, Peninsular Malaysia, Thailand and Vietnam. The French botanists J.B. Louis Pierre and François Gagnepain, who first formally described the species, named it after the region in Cambodia it was collected from, which they record as “monts Tamir”.
Goniothalamus tapis is a species of plant in the family Annonaceae. It is native to Peninsular Malaysia, Sumatra, and Thailand. Friedrich Anton Wilhelm Miquel, the Dutch botanists who first formally described the species, named it after a local vernacular name, Kajoe-tapis, from Pariaman Sumatra where the specimen he examined was found.
Goniothalamus tenuifolius is a species of plant in the family Annonaceae. It is native to Peninsular Malaysia, Thailand and Vietnam. George King, the British botanist who first formally described the species, named it after its slender leaved foliage.
Goniothalamus tortilipetalus is a species of plant in the family Annonaceae. It is native to Peninsular Malaysia and Thailand. Murray Ross Henderson, the Scottish botanist who first formally described the species, named it after its twisted petals.
Mitrephora alba is a species of plant in the family Annonaceae. It is native to Peninsular Malaysia. Henry Nicholas Ridley, the English botanist who first formally described the species, named it after its white flowers.
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