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Acta Botanica Brasilica

Print version ISSN 0102-3306On-line version ISSN 1677-941X


GOMES, Sandra Maria Alvarenga et al. Leaf anatomy as taxonomic tool for Hippocrateoideae (Celastraceae) in the Southeast of Brazil. Acta Bot. Bras. [online]. 2005, vol.19, n.4, pp.945-961. ISSN 0102-3306.

Leaf anatomy of thirteen species belonging to nine genera of the subfamily Hippocrateoideae (Celastraceae) was studied, in order to select anatomical characters to help the taxonomy at genera and species levels. The species studied were: Anthodon decussatum Ruiz & Pav., Cheiloclinium cognatum (Miers) A.C. Sm., Cheiloclinium serratum (Cambess.) A.C. Sm., Cuervea crenulata Mennega, Elachyptera micrantha (Cambess.) A.C. Sm., Hippocratea volubilis L., Peritassa flaviflora A.C. Sm., Peritassa mexiae A.C. Sm., Pristimera nervosa (Miers) A.C. Sm., Salacia crassifolia (Mart. ex Schult.) G. Don, Tontelea fluminensis (Peyr.) A.C. Sm., Tontelea leptophylla A.C. Sm. and Tontelea miersii (Peyr.) A.C. Sm. The selected anatomical characters that can be used as diagnostic for the taxonomy of the distinct genera and species are: the type of sclereids in petiole or leaf blade, stomata type, the conformation of the petiole vascular system, shape of epidermal cell walls, presence of hypodermis, occurrence of laticifers, among others.

Keywords : Hippocrateoideae; Celastraceae; leaf anatomy; taxonomy.

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