Ceramium deslongchampsii

Ceramium deslongchampsii is a small marine red alga in the Division Rhodophyta.

Ceramium deslongchampsii
Scientific classification
(unranked): Archaeplastida
Division: Rhodophyta
Class: Florideophyceae
Order: Ceramiales
Family: Ceramiaceae
Genus: Ceramium
Species:
C. deslongchampsii
Binomial name
Ceramium deslongchampsii
Chauvin ex Duby

Description

This species is a relatively small alga growing as dense tufts to no more than 12 cm long. Grows as densely branched monosiphonous axes[1] consisting of large cells showing cortication only at the nodes.[2][3] It branches pseudodichotomously but with abundant adventitious branches. The tips of the branches are straight or slightly in-rolled and without spines. The prostrate axes are attached by rhizoids.[2]

Reproduction

Spermatangial sori, cystocarps and tetrasporangia are recorded.[2]

Habitat

To be found on the rock, dead shells and other algae to a depth of 26 m.[2]

Distribution

Generally common around Britain and Ireland.[4] Recorded in Europe from Norway to France and the Mediterranean.[2]

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References
  1. Jones, W.E. 1962. A Key to the Genera of the British Seaweeds. Field Studies Volume 12(4)pp 1 - 32
  2. Maggs, C.A. and Hommersand, M.H. 1993. Seaweeds of the British Isles Volume 1 Rhodophyta Part 3A Ceramiales The Natural History Museum, London ISBN 0-11-310045-0
  3. Newton, L. 1931. A Handbook of the British Seaweeds. London
  4. Hardy, F.G. and Guiry, M.D. 2003. A Check-list and Atlas of the Seaweeds of Britain and Ireland. The British Phycological Society
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