Original Research

Studies in the genus Riccia (Marchantiales) from southern Africa. 13. A new species, R. hantamensis, in section Pilifer and a new record for R- alatospora

S. M. Perold
Bothalia | Vol 19, No 2 | a953 | DOI: https://doi.org/10.4102/abc.v19i2.953 | © 1989 S. M. Perold | This work is licensed under CC Attribution 4.0
Submitted: 20 October 1989 | Published: 19 December 1989

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S. M. Perold, Botanical Research Institute, Department of Agriculture and Water Supply, South Africa

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Abstract

Riccia hantamensis, a new species from the Hantams Mountain, District Calvinia, is described. It is clearly related to R. alatospora, but is a much larger plant. Like other species with a dorsal epithelium of free-standing cell pillars, it belongs to section Pilifer Volk.  R. alatospora, originally only known from Platklip, Stellenbosch (Volk & Perold 1985), is now also recorded from Carolusberg, Hester Malan Reserve, Namaqualand.


Keywords

Marchantiales; Riccia; section <i>Pilifer</i>; southern Africa; taxonomy

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