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Espécies de Áphelandra R. Br. (Acanthaceae) no Estado do Rio de Janeiro - Morfologia foliar e das brácteas

Abstract

Leaf and bract morphology of ten species of Aphelandra R. Br from Rio de Janeiro state were studied. Emphasis is placed on leaf venation, epidermis and hairs. Both glandular and non-grandular hairs are present on the bract epidermis. The glandular hairs are of two types: subsessile with globose head, or stalked. A dichotomous key for species identification in presented. A new synonym of Aphelandra neesiana Wassh. is established and Aphelandra ornata (Nees) T Anderson is recorded for the first time in Rio de Janeiro state.

Instituto de Pesquisas Jardim Botânico do Rio de Janeiro Rua Pacheco Leão, 915 - Jardim Botânico, 22460-030 Rio de Janeiro, RJ, Brasil, Tel.: (55 21)3204-2148, Fax: (55 21) 3204-2071 - Rio de Janeiro - RJ - Brazil
E-mail: rodriguesia@jbrj.gov.br