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

doi:10.4102/abc.v19i2.953

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

About the author(s)

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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