Original Research

Taxonomy and leaf anatomy of the genus Ehrharta (Poaceae) in southern Africa: the Dura group

G. E. Gibbs Russel, R. P. Ellis
Bothalia | Vol 18, No 2 | a999 | DOI: https://doi.org/10.4102/abc.v18i2.999 | © 1988 G. E. Gibbs Russel, R. P. Ellis | This work is licensed under CC Attribution 4.0
Submitted: 22 October 1988 | Published: 23 October 1988

About the author(s)

G. E. Gibbs Russel, Botanical Research Institute, Department of Agriculture and Water Supply, South Africa
R. P. Ellis, Botanical Research Institute, Department of Agriculture and Water Supply, South Africa

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Abstract

The Dura species group in the genus Ehrharta Thunb. is differentiated morphologically by the perennial habit and the very large, awned, subglabrous spikelets and anatomically by the occurrence of tanniniferous cells and wax platelets obscuring the stomatal pores. The Dura group consists of two species, E. dura Nees ex Trin. and E. microlaena Nees ex Trin., which occur only in Mountain Fynbos. The group shows no clear morphological or anatomical relationship with other species groups in the genus in southern Africa.


Keywords

Capensis; <i>Ehrharta</i>; leaf anatomy; Mountain Fynbos; Poaceae; taxonomy

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