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

R. P. Ellis | Zendy

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Leaf anatomy of the South African Danthonieae (Poaceae). XVII. The genus <i>Chaetobromus</i>

Author(s) -

R. P. Ellis

Publication year - 1988

Publication title -

bothalia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.457

H-Index - 20

eISSN - 2311-9284

pISSN - 0006-8241

DOI - 10.4102/abc.v18i2.1047

Subject(s) - reticulate , genus , biology , taxon , botany , anatomy , vascular bundle , subspecies , dorsum , zoology

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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