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Garcinia sibeswarii (Clusiaceae), a new species from Assam, India
Abstract
Garcinia sibeswarii, a new species of Garcinia from the Dulang Reserve Forest, Assam, North East India is described and
illustrated. The new species is allied to Garcinia celebica, but differs in having 4-celled ovary; entire, peltate, reddish stigma
and seeds with fibrous aril.
... This genus contains 404 accepted species and is distributed throughout the tropics and subtropics [1], with centres of diversity in Southeast Asia and Madagascar [2]. Previous studies on Garcinia revealed c. 60 species in the Malay Peninsula [3][4][5][6], 40 species in India [7][8][9][10][11][12][13], 34 species in Indo-China [14], 30 species in British India [15] and 20 species in China [16]. In Thailand, 20 species of the genus Garcinia were enumerated by Craib [17], the northern region had 6 species [18] and the peninsular region had 23 species (including 5 unidentified species) [19]. ...
A revision of the genus Garcinia has recently been undertaken by the author as part of the Flora of Thailand. Herbarium specimens deposited in several herbaria, and those included in the digital herbarium databases, were examined by consulting taxonomic literature. In this study, the three names in Garcinia section Brindonia are lectotypified as G. gracilis, G. lanceifolia and G. planchonii. A new synonym for G. pedunculata, namely G. planchonii, is proposed. Detailed descriptions, recognitions and illustrations of three species in Garcinia (G. atroviridis, G. lanceifolia and G. pedunculata) are presented, along with information on distributions, specimens examined, habitats and ecology, IUCN conservation status, phenology, etymology, vernacular names and uses. The fruits, the young shoots and leaves, and the flowers of these three species are edible and have a sour taste. These species are often cultivated for their fruits.
Garcinia exigua (Clusiaceae), previously known from Borneo [Malaysia (Sarawak) and Brunei], is reported as a new record from dry evergreen forest on limestone hill in Krabi Province, Peninsular Thailand. A detailed morphological description, illustrations and a distribution map of the species are provided, along with information on distribution, specimens examined, habitat, conservation status, phenology, etymology and vernacular name.
Garcinia stipulata (Clusiaceae) is recollected after a lapse of 53 years from Neora Valley National Park, Darjeeling, India. A taxonomic description with photograph and illustration are provided to facilitate easy identification. Also, a second-step lectotypification is discussed.
Garcinia siripatanadilokii Ngerns., Meeprom, Boonth., Chamch. & Sinbumr. (Clusiaceae), a new species discovered from tropical lowland evergreen rain forest, Peninsular Thailand, is described. A detailed morphological description and illustrations of the species are provided, along with information on recognition, distribution, specimens examined, habitat, conservation assessment, phenology, etymology, vernacular name and uses.
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