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1 December 2011 A revision of the Dombeya rigida complex (Malvaceae)
Wendy L. Applequist
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Abstract

A revision of Dombeya subsect. Rigidae, which comprises two Malagasy species (D. linearifolia and D. rigida), is presented. The classification of these species within Dombeya is preferred to an alternate placement within Helmiopsis. Three subspecies of D. rigida are recognized: subsp. parvifolia, characterized by small leaves, is newly described, and subsp. guazumifolia is newly recognized at that rank. Arènes' two subspecies of D. linearifolia are synonymized, and a new subsp. muricata, characterized by fruit similar to that of D. rigida, is described. Both species display considerable variation in leaf and fruit morphology in the north, but variation is discontinuous, indicating that the species are usually reproductively isolated.

© Publications Scientifiques du Muséum national d'Histoire naturelle, Paris.
Wendy L. Applequist "A revision of the Dombeya rigida complex (Malvaceae)," Adansonia 33(2), 249-262, (1 December 2011). https://doi.org/10.5252/a2011n2a10
Received: 14 January 2010; Accepted: 1 February 2011; Published: 1 December 2011
JOURNAL ARTICLE
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KEYWORDS
Dombeya
Helmiopsis
Madagascar
MALVACEAE
new subspecies
sous-espèces nouvelles
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