Studies in the genus Riccia (Marchantiales) from southern Africa. 6. R. hirsuta, a new species, in a new section | Zendy

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

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Studies in the genus <i>Riccia</i> (Marchantiales) from southern Africa. 6. <i>R. hirsuta</i>, a new species, in a new section

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.v16i2.1086

Subject(s) - subgenus , appendage , cape , dorsum , genus , botany , biology , eucalyptus , section (typography) , key (lock) , anatomy , geography , ecology , archaeology , advertising , business

Riccia hirsuta Volk & Perold, sp. nov., the type species of a new section, Micantes Volk & Perold, subgenus Spongodes (Nees) Volk is described. It is characterized by tall, dorsal, hair-like, multi-cellular outgrowths from an epidermis with distant air-pores, leading to polyhedral air-chambers below, and is the only species in this subgenus with these outgrowths. The ventral scales are triangular, apically splitting into long, hair-like appendages. This species is endemic to the north-west and central Cape Province.

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