Hypoglossum hypoglossoides
Scientific classification Edit this classification
(unranked): Archaeplastida
Division: Rhodophyta
Class: Florideophyceae
Order: Ceramiales
Family: Delesseriaceae
Genus: Hypoglossum
Species:
H. hypoglossoides
Binomial name
Hypoglossum hypoglossoides
(Stackhouse) Collins & Hervey

Hypoglossum hypoglossoides, known as under tongue weed,[1] is a small red marine alga in the family Delesseriaceae.

Description

Hypoglossum hypoglossoides is a small red alga growing as monostromatic blades in tufts to a length of 30 cm and 0.8 cm wide. The lateral branches grow as blades which, like the primary blade, has a midrib. All the blades have a lanceolate or acute apices. All the blades lack lateral veins.[2][3]

Reproduction

The plants are dioecious. Spermatangial sori are formed on the blades on either side of the midrib. Cystocarps develop singly on the blades.[2]

Habitat

Found in the littoral and sublittoral on rock or epiphytically on other large algae.[4]

Distribution

Found on the shores of Ireland, Great Britain, Isle of Man and the Channel Islands. Further south in Spain and the Mediterranean, as well as North Carolina to Brazil.[2]

References

  1. ↑ Guiry, M.D.; Guiry, G.M. "Hypoglossum hypoglossoides". AlgaeBase. World-wide electronic publication, National University of Ireland, Galway.
  2. 1 2 3 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. ↑ Bunker,B F.StP.D, Brodie, J.A., Maggs, C.A. and Bunker, A.R. 2017. Seaweeds of Britain and Ireland. Second Edition. Wild Nature Press, Plymouth, UK ISBN 978-0-9955673-3-7
  4. ↑ Hardy, F.G. and Guiry, M.D. 2003. A Check-list and Atlas of the Seaweeds of Britain and Ireland. British Phycological Soiciety ISBN 0-9527115-16
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