Studies in the genus Riccia (Marchantiales) from southern Africa. 5. R. rosea, a new species | Zendy

O. H. Volk | Zendy; S. M. Perold | Zendy

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Studies in the genus Riccia (Marchantiales) from southern Africa. 5. R. rosea, a new species

Author(s) -

O. H. Volk,

S. M. Perold

Publication year - 1986

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.v16i2.1085

Subject(s) - subgenus , thallus , botany , biology , genus , hyaline , dorsum , anatomy

A new species of Riccia, R. rosea Volk & Perold of the group 'Squamatae', section Riccia. subgenus Riccia. is described. It is endemic to southern Africa and is characterized by large ventral scales with hyaline margins and reddish pink to deep rose-pink bases, and bv the light green dorsal colour of the thallus. fading to white along the margins and older parts. Fertile male plants have prominent hyaline ostioles. The spores are globular or subglobular and apolar. with 9-11 well defined areolae across the diameter.