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Pavetteae
Pavetteae is a tribe of flowering plants in the family Rubiaceae and contains about 624 species in 9 genera. Its representatives are found from the tropics and subtropics of the Old World and the southern Pacific region. Genera Currently accepted names * '' Cladoceras'' Bremek. (1 sp.) * '' Coptosperma'' Hook.f. (21 sp.) * '' Exallosperma'' (1 sp.)De Block P, Rakotonasolo F, Ntore S, Razafimandimbison SG, Janssens S (2018) Four new endemic genera of Rubiaceae (Pavetteae) from Madagascar represent multiple radiations into drylands. ''PhytoKeys'' 99: 1-66. https://doi.org/10.3897/phytokeys.99.23713 * '' Helictosperma'' (2 sp.) * '' Leptactina'' Hook.f. (19 sp.) * '' Nichallea'' Bridson (1 sp.) * '' Paracephaelis'' Baill. (4 sp.) * '' Pavetta'' L. (358 sp.) * '' Pseudocoptosperma'' (1 sp.) * '' Robbrechtia'' De Block (2 sp.) * '' Rutidea'' DC. (21 sp.) * '' Tarenna'' Gaertn. (191 sp.) * '' Tulearia'' (2 sp.) Synonyms * ''Acmostigma'' Raf. = '' Pavetta'' * ''Baconia' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Exallosperma
''Exallosperma longiflora'' is a species of flowering plant belonging to the family Rubiaceae. It is a shrub endemic to Madagascar. It is the sole species in genus ''Exallosperma''. ''Exallosperma longiflora'' is a shrub which grows up to 5 meters tall. It flowers in January and February, and fruits in April. It is known only from the northern tip of Madagascar in Sava and Diana regions. It grows in lowland dry deciduous and semi-deciduous forest on limestone, from sea level to 450 meters elevation.De Block P, Rakotonasolo F, Ntore S, Razafimandimbison SG, Janssens S (2018) Four new endemic genera of Rubiaceae (Pavetteae) from Madagascar represent multiple radiations into drylands. ''PhytoKeys'' 99: 1-66. https://doi.org/10.3897/phytokeys.99.23713 The genus is distinguished within tribe Pavetteae by pollen with psilate tectum, and by fruit with two stony pyrene Pyrene is a polycyclic aromatic hydrocarbon (PAH) consisting of four fused benzene rings, resulting in a flat arom ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |