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Published In: Tableau Encyclopédique et Methodique ... Botanique 1: 379, t. 167, figs. a–m. 1792. (13 Feb [t. 167] & 30 Jul [p. 379] 1792) (Tabl. Encycl.) Name publication detailView in Biodiversity Heritage Library

Project Name Data (Last Modified On 6/10/2009)
Acceptance : Accepted
Taxon Profile     (Last Modified On 11/27/2014)
Generic Distribution: not endemic to the Malagasy Region
No. of species in Fl. Madagasc.: not published
Accepted Published Species: 46 endemic
Estimated Unpublished Species: not yet evaluated
Estimated Total Species: not yet evaluated
Additional Taxonomic Work: in progress
Species Level Data Entry: complete

Taylor et al. (2014) presented a synoptic treatment of this genus in Madagascar, with a key to the species. The record of the Mauritius species G. calycina Bojer from Madagascar is believed to be erroneous (Malcomber & Taylor 2009). Bertiera crinita is frequently confused with Gaertnera, but differs in its inferior ovary and interpetiolar stipules.

Several species are quite similar and share coriaceous leaves with the higher order venation not or hardly visible, tubular stipules, and corymbiform inflorescences with small bracts. These were previously included in Gaertnera obovata var. sphaerocarpa (which has long calyptrate stipules) and Gaertnera macrostipula. The circumsription here of Gaertnera macrostipula is narrowed to include plants with chartaceous leaves with the higher-order venation well developed and well developed inflorescence bracts. These plants are often found in littoral and dry vegetation, and are here various treated in Gaertnera xerophila (leaves thickly coriaceous), Gaertnera breviflora (found in SE and with very short corollas), Gaertnera sclerophylla (similar to Gaertnera breviflora and partly sympatric but with flowers twice as long or longer), Gaertnera robusta (found in E and with well developed lobed calyx limb), Gaertnera razakamalalana (found in E and similar to Gaertnera sclerophylla but with inflated stipules, rounded leaf apices, and very short peduncles), and Gaertnera nitida (found in N and with shortly acuminate, generally smaller leaves).

Evaluated by: S.T. Malcomber, Univ. California-Long Beach, USA & C.M. Taylor (2009); C.M. Taylor (2010); Schatz & Taylor (2014)
Compiled or updated by: N. Rakotonirina (21 May 2008); C.M. Taylor (26 Sep 2009, Aug 2014)


Lower Taxa


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