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Published In: Genera Plantarum 75. 1776. (Gen. Pl.) Name publication detail

Project Name Data (Last Modified On 6/10/2009)
Acceptance : Accepted
Taxon Profile     (Last Modified On 9/5/2011)
Generic Distribution: not endemic to the Malagasy Region
No. of species in Fl. Madagasc.: not treated
Accepted Published Species: none
Estimated Unpublished Species: 1 endemic
Estimated Total Species: 1 endemic
Additional Taxonomic Work: in progress
Species Level Data Entry: complete

Davis & Phillipson: The single sp in Madagascar has been referred to the Afro-Asian C. spinosa. However it appears to be a distinct endemic.

C.M. Taylor: Catunaregam comprises about 6 species of spiny shrubs and small trees found in dry regions of Africa through southern Asia. These species have a distinctive growth form, with the leaves, spines, and flowers borne on lateral short-shoots (i.e., brachyblasts) along well developed stems. The flowers are bisexual and 5-merous, with the corolla generally rather broad and open and its lobes contorted in bud. The fruits are fleshy berries with numerous flattened seeds embedded in the pulp.

Catunaregam spinosa as it is currently treated includes plants from southeastern Africa through India to China, a very broad circumscription that has not been re-evaluated recently (nor has the genus as a whole been studied). Two subspecies of C. spinosa have been recognized, subsp. spinosa found throughout most of the range of the species and subsp. taylorii (S. Moore) Verdc. of southeastern Africa; subsp. taylorii is separated based on its densely velvety pubescence, vs. "not so densely velvety" in subsp. spinosa. Plants from Madagascar have been identified as C. spinosa subsp. spinosa by Bridson and others in sched., however Bridson & Verdcourt (1988: pp. 499-500) did not include Madagascar in the formal summary of the distribution range of this species.

Compiled or updated by: A. Davis (K) & P.B. Phillipson; notes by C.M. Taylor VIII 2011



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