Original Research

Studies in the genus Riccia (Marchantiales) from southern Africa. 3. R. schelpei, a new species, in the new subgenus Chartacea

O. H. Volk, S. M. Perold
Bothalia | Vol 16, No 1 | a1057 | DOI: https://doi.org/10.4102/abc.v16i1.1057 | © 1986 O. H. Volk, S. M. Perold | This work is licensed under CC Attribution 4.0
Submitted: 23 October 1986 | Published: 22 July 1986

About the author(s)

O. H. Volk, Botanische Anstalten d. Univ., Germany
S. M. Perold, Botanical Research Institute, Department of Agriculture & Water Supply, South Africa

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Riccia schelpei Volk & Perold, sp. nov., endemic to the western Cape, is described. It is characterized by the parchment-like epidermis of the thallus, thick-walled hyaline epidermal cells and by dorsal air-pores encircled by a raised ring of smaller thin-walled cells. This species is the type of the new monotypic subgenus Chartacea Perold.


air-pores; dorsal epidermis; <i>Riccia</i>; subgenus <i>Chartacea</i>


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