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''Pyrostria revoluta'', formerly ''Scyphochlamys revoluta'', is a species of flowering plant in the family Rubiaceae that lives on the island of
''Pyrostria revoluta'' is a shrub or small tree, at up to tall. The leaves are notably dimorphic – they grow in two distinctly different forms. Juvenile leaves are up to long, but only wide. Mature leaves are a similar length, but up to wide.
World Checklist of Rubiaceae
{{Taxonbar, from=Q7263714 Vanguerieae Endemic flora of Rodrigues Plants described in 1877 Taxa named by Isaac Bayley Balfour Taxa named by Birgitta Bremer
Rodrigues
Rodrigues (french: Île Rodrigues, link=yes ; Creole: ) is a autonomous outer island of the Republic of Mauritius in the Indian Ocean, about east of Mauritius. It is part of the Mascarene Islands, which include Mauritius and Réunion. Rodr ...
.
Distribution and conservation
''Pyrostria revoluta'' is found onRodrigues
Rodrigues (french: Île Rodrigues, link=yes ; Creole: ) is a autonomous outer island of the Republic of Mauritius in the Indian Ocean, about east of Mauritius. It is part of the Mascarene Islands, which include Mauritius and Réunion. Rodr ...
, one of the Mascarene Islands in the Indian Ocean, and an Outer island of Mauritius. By 1980, it appeared to be restricted to Grande Montagne and Cascade Victoire, and by 1989, the species was considered to be "on the verge of extinction". Some seeds were sent to the Royal Botanic Gardens, Kew, where they were successfully germinated in 1982 and subsequently grown up. Cuttings have since been taken, effectively ensuring the species' survival in cultivation.
Description
''Pyrostria revoluta'' is a shrub or small tree, at up to tall. The leaves are notably dimorphic – they grow in two distinctly different forms. Juvenile leaves are up to long, but only wide. Mature leaves are a similar length, but up to wide.
Taxonomic history
''Pyrostria revoluta'' was originally described byIsaac Bayley Balfour
Sir Isaac Bayley Balfour, KBE, FRS, FRSE (31 March 1853 – 30 November 1922) was a Scottish botanist. He was Regius Professor of Botany at the University of Glasgow from 1879 to 1885, Sherardian Professor of Botany at the University of Oxfor ...
in 1877 in the new monotypic genus ''Scyphochlamys'', which was later sunk into synonymy with '' Pyrostria''. It followed a scientific expedition to Rodrigues to observe the 1874 transit of Venus, on which Balfour, along with George Gulliver and Henry Horrocks Slater
Henry Horrocks Slater (1851–26 November 1934) was an English parson-naturalist who studied ornithology, entomology, and botany.
Early life and clerical career
Slater was born in Stanhope, County Durham, the son of the priest Henry Slater ...
, served as naturalist.
References
External links
World Checklist of Rubiaceae
{{Taxonbar, from=Q7263714 Vanguerieae Endemic flora of Rodrigues Plants described in 1877 Taxa named by Isaac Bayley Balfour Taxa named by Birgitta Bremer