ABSTRACT
Campylocentrum Benth. has a neotropical distribution and about 73 species arranged in five sections. In Brazil, it is represented by 38 species (24 endemic), concentrated mainly in the Atlantic Forest. In order to contribute to the taxonomic knowledge of the genus in Cerrado areas of Central Brazil, where it is not studied, we provide a taxonomic treatment for species occurring in the Federal District and in the Goiás State. Five taxa were recorded arranged in three sections: C. kuntzei Cogn. ex Kuntze, C. mattogrossense Hoehne (C. sect. Campylocentrum Cogn.), C. neglectum (Rchb.f. & Warm.) Cogn. (C. sect. Laevigatum E. Pessoa & M. Chase), C. fasciola (Lindl.) Cogn. and C. pachyrrhizum (Rchb.f.) Rolfe (C. sect. Dendrophylopsis Cogn.). Of these, C. fasciola constitutes a new occurrence for the flora of Goiás. Here we provide an identification key, descriptions, taxonomic and geographic distribution comments, in addition to images and illustrations are presented.
Keywords:
Angraecinae; Flora; Savannas; Taxonomy; Vandeae
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Figure 1. Map with the collection points of the species of Campylocentrum Benth. in the Goiás State (GO) and Federal District (DF). Other States: Bahia (BA), Minas Gerais (MG), Mato Grosso (MT), Mato Grosso do Sul (MS), Tocantins (TO).
Figure 2. Campylocentrum fasciola (Lindl.) Cogn. (I.S. Santos, M.J. Silva & A.A. Alonso 1012, UFG). a. Habit. b. Inflorescence detail. c. Floral bracts. d. Flower lateral view. e. Floral pieces. f. Lip and spur in lateral view. g. Anther dorsal and ventral view. h. Capsule. Illustrations by Igor Soares dos Santos.
Figure 3. Campylocentrum kuntzei Cogn. ex Kuntze (I.S. Santos, J.O. Costa & M.J. Silva 1093, UFG). a. Habit. b. Inflorescence detail. c. Floral bracts. d. Flower lateral view. e. Floral pieces. f. Lip and spur in lateral view. g. Anther dorsal and ventral view. h. Capsule. Illustrations by Igor Soares dos Santos.
Figure 4. Campylocentrum mattogrossense Hoehne (J.A.N. Batista 375, CEN). a. Habit. b. Inflorescence detail. c. Floral bracts. d. Flower lateral view. e. Floral pieces. f. Lip and spur in lateral view. g. Anther dorsal and ventral view. h. Capsule. Illustrations by Igor Soares dos Santos.
Figure 5. Campylocentrum neglectum (Rchb. f. & Warm.) Cogn. (I.S. Santos et al. 591, UFG). a. Habit. b. Inflorescence detail. c. Floral bracts. d. Flower lateral view. e. Floral pieces. f. Lip and spur in lateral view. g. Anther dorsal and ventral view. h. Capsule. Illustrations by Igor Soares dos Santos.
Figure 6. Campylocentrum pachyrrhizum (Rchb. f.) Rolfe (I.S. Santos, A.A. Alonso & M.J. Silva 1013, UFG). a. Habit. b. Inflorescence detail. c. Floral bracts. d. Flower lateral view. e. Floral pieces. f. Lip and spur in lateral view. g. Anther dorsal and ventral view. h. Capsule. Illustrations by Igor Soares dos Santos.
Figure 7. Campylocentrum Benth. species occurring in the Federal District and Goiás State, Brazil. a-c. C. fasciola (Lindl.) Cogn. d-f. C. kuntzei Cogn. ex Kuntze. a-d. Habit. a, b. Plant with flowers. c, e, f. Plant with capsules (note the detail of the leaves in c - arrowhead). f. Capsules detail. Photographs by Igor Soares dos Santos.
Figure 8. Campylocentrum Benth. species occurring in the Federal District and Goiás State, Brazil. a-c. C. neglectum (Rchb. f. & Warm.) Cogn. d-f. C. pachyrrhizum (Rchb. f.) Rolfe (note the detail of the leaves in f - arrowhead). a, d, e. Habit. b, f. Inflorescence detail. c. Capsules detail. Photographs by Igor Soares dos Santos.