Electronic Flora of South Australia Genus Fact Sheet

Genus RHIPILIOPSIS Gepp & Gepp 1911: 45

Phylum Chlorophyta – Order Caulerpales – Family Udoteaceae

Thallus uncalcified, complanate, irregularly ovate to elongate, arising from a short stipe, fronds relatively thin and soft. Structure of a lax felt of subdichotomous filaments attached by circular areas or by short protrusions from adjacent filaments.

Reproduction: Reproduction from ovoid to pyriform zooidangia.

Type species: R. peltata (J. Agardh) Gepp & Gepp.

Taxonomic notes: A genus of some 9 species [Farghaly & Denizot (1979, p. 173)].

References:

FARGHALY, M.S. & DENIZOT, M. (1979). Le genre Rhipiliopsis. Définition et place dans les Caulerpales (Chlorophycées). Rev. Algol.N.S. 14, 169–184.

GEPP, A. & GEPP, E.S. (1911). The Codiaceae of the Siboga Expedition, including a monograph of Flabellarieae and Udoteae. Monogr. Siboga-Exped. 62, 1–150, Plates 1–22.

The Marine Benthic Flora of Southern Australia Part I complete list of references.

Author: H.B.S. Womersley

Publication: Womersley, H.B.S. (31 May, 1984)
The Marine Benthic Flora of Southern Australia
Part I
©Board of the Botanic Gardens and State Herbarium, Government of South Australia

KEY TO SPECIES OF RHIPILIOPSIS

1. Thallus usually 2–4 cm high, stipe to 1 cm long, filaments of lamina slender, 18–25 µm in diameter 1

R. peltata

1. Thallus to 9 cm high, stipe to 3 cm long, filaments of lamina robust, 150–200 µm in diameter, distinctly moniliform

R. robusta


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