Leaf anatomy of the South African Danthonieae (Poaceae). XVII. The genus Chaetobromus

  • Ellis R
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Abstract

The leaf anatomy of Chaetobromus Nees is described and illustrated. The genus has non-Kranz anatomy but with a low lateral cell count. The abaxial epidermis is not pooid as microhairs are present, the silica bodies are dumbbell-shaped and the stomatal subsidiaries are dome-shaped. From the sample o f 33 randomly selected speci­mens from throughout the distribution range o f the genus it was possible to identify four anatomical groups, each associated with a specific habitat and differing in vegetative morphology. These intergrade in a reticulate pattern and do not constitute discrete entities. It appears that the genus is monospecific with four poorly separated subspecific taxa.

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Ellis, R. P. (1988). Leaf anatomy of the South African Danthonieae (Poaceae). XVII. The genus Chaetobromus. Bothalia, 18(2), 195–209. https://doi.org/10.4102/abc.v18i2.1047

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