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Coptosperma nigrescens Hook. f. Search in The Plant ListSearch in IPNISearch in Australian Plant Name IndexSearch in NYBG Virtual HerbariumSearch in Muséum national d'Histoire naturelleSearch in Type Specimen Register of the U.S. National HerbariumSearch in Virtual Herbaria AustriaSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical GardenAfrican Plants, Senckenberg Photo GallerySearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font
 

Published In: Genera Plantarum 2: 87. 1873. (Gen. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 6/10/2009)
Acceptance : Accepted
Taxon Profile     (Last Modified On 6/16/2021)
Distribution : Madagascar (native but not endemic), Comoros, Africa
Lifeform/Habit : Shrub, Tree
Vegetation Formation : Forest
Elevation : 0-499 m, 500-999 m, 1000-1499 m
Bioclimate : Dry, Subarid, Subhumid
Regions (Prov. Antsiranana) : DIANA, SAVA
Protected areas and other important sites : Alandraza Analavelo Sacred Forest (Analavelona), Andohahela, Ankarafantsika, Ankarana, Isalo, Kirindy Mitea, Loky-Manambato, Montagne des Français (Ambohitr'Antsingy), Ranobe PK 32, Tsaratanana
Notes :

This species is characterized in general by its medium-sized to somewhat small leaves; its terminal, often rather lax inflorescences with several somewhat small flowers borne on well developed axes and pedicels; and its somewhat small fruits. Mouly & De Block (2008) separated this species by its triangular stipules; its triangular bracteoles that are borne singly along the pedicels; its calyx limb with the tube developed and subtruncate or shallowly lobed; and its fruits that are black at maturity. Several plants of Madagascar seem to match these criteria; the distributional information here is based on the plants collected in dry and littoral forest at generally low elevations, with a few specimens in young fruit from humid forest at ca. 900-1000 m excluded. The leaf shape varies somewhat markedly within this species, from generally ovate or broadly elliptic-oblong to occasionally very narrowly elliptic-oblong.

This species is very similar to and sometimes sympatric with Tarenna grevei. De Block (2005: p. 113) discussed their separation in detail. Among other differences, Tarenna grevei has two usually seeds with entire endosperm and a large circular indentation in each fruit and corollas about 10-15 mm long with four lobes, while Coptosperma nigrescens has one subglobose seed with deeply ruminate endosperm and a rugose or smooth seed coat in each fruit and corollas about 8-10 mm long with five lobes.


Red List Assessment     (Last Modified On 6/16/2021)
Red List threat category : LEAST CONCERN
Conservation Criteria : LC
IUCN version : 3.1
Year published on IUCN Red List : 2021
View on Redlist.org : https://www.iucnredlist.org/species/153945692/153945694
Assessor(s) : De Block, Petra; Rakotonasolo, Franck

 

 


 

 
 
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