Leaf anatomy of Acrocomia (Arecaceae): an additional contribution to the taxonomic resolution of a genus with great economic potential

Acrocomia is one of the most complex genera to understand in the Neotropical Arecaceae, and there is no consensus on the number of species in the genus. A comparative study of leaf anatomy was conducted on seven species of Acrocomia: one with a wide distribution in the Americas (A. aculeata), five e...

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Bibliographic Details
Published in:Plant systematics and evolution 2017-02, Vol.303 (2), p.233-248
Main Authors: Vianna, Suelen A., Carmelo-Guerreiro, Sandra M., Noblick, Larry R., Colombo, Carlos A.
Format: Article
Language:English
Subjects:
Acrocomia
Anatomy
Arecaceae
Biomedical and Life Sciences
Bundles
Bundling
Comparative studies
Cuticles
Epidermis
Genera
Hypodermis
Leaves
Life Sciences
Original Article
Plant Anatomy/Development
Plant Ecology
Plant Sciences
Plant Systematics/Taxonomy/Biogeography
Species
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Summary:Acrocomia is one of the most complex genera to understand in the Neotropical Arecaceae, and there is no consensus on the number of species in the genus. A comparative study of leaf anatomy was conducted on seven species of Acrocomia: one with a wide distribution in the Americas (A. aculeata), five endemic to different regions of Brazil, Bolivia and Paraguay (A. emensis, A. glaucescens, A. hassleri, A. intumescens and A. totai) and one endemic to Cuba (A. crispa). Characters that unify the species of Acrocomia include the following: epidermis covered with cuticle, hypodermis on both sides of the leaflets, non-vascular fiber bundles, and primary and secondary vascular bundles. The shape of the leaflet margin, the distribution of the primary vascular bundles and fiber bundles, the number of idioblasts with raphides and the size of the vascular bundles, along with other characteristics, were used to distinguish these species in Acrocomia.
ISSN:0378-2697
1615-6110
2199-6881
DOI:10.1007/s00606-016-1369-4