A New Micro-Endemic Species of Alectryon (Sapindaceae) from Koghis Forest, New Caledonia
Abstract—
The new species Alectryon hirsutus is described from New Caledonia. It is distinguished from the only other member of the genus occurring on this southwest Pacific island, A. carinatus, by its uniformly densely hirsute indumentum (vs. glabrous or with short, appressed trichomes) as well as features of its leaves [(2‐)3‐5 pairs of leaflets vs. 1‐2]) and fruits (9‐16 × 16‐28 mm vs. 5.6‐13 × 5.7‐10.6 mm), along with its presence in dense humid forest (vs. sclerophyllous or lowland dry forest). A preliminary conservation status of Critically Endangered [CR] is suggested following IUCN Red List Categories and Criteria.
The new species Alectryon hirsutus is described from New Caledonia. It is distinguished from the only other member of the genus occurring on this southwest Pacific island, A. carinatus, by its uniformly densely hirsute indumentum (vs. glabrous or with short, appressed trichomes) as well as features of its leaves [(2‐)3‐5 pairs of leaflets vs. 1‐2]) and fruits (9‐16 × 16‐28 mm vs. 5.6‐13 × 5.7‐10.6 mm), along with its presence in dense humid forest (vs. sclerophyllous or lowland dry forest). A preliminary conservation status of Critically Endangered [CR] is suggested following IUCN Red List Categories and Criteria.
Keywords: Alectryon hirsutus, conservation; endangered species; systematics
Document Type: Research Article
Affiliations: 1: 1AMAP, Univ Montpellier, IRD, CIRAD, CNRS, INRAE, Montpellier, France 2: 2Missouri Botanical Garden, P. O. Box 299, St. Louis, Missouri 63166-0299, USA 3: 4Conservatoire et Jardin botaniques de la Ville de Genève, C.P. 71, 1292 Chambésy, Switzerland 4: 5Department of Biological Sciences, Boise State University, 1910 University Drive, Boise, Idaho 83725, USA
Publication date: 25 February 2020
- Systematic Botany is the scientific journal of the American Society of Plant Taxonomists and publishes four issues per year.
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