Avrainvillea nigricans   Decaisne,  1842 (Algae)
Organism information awaits expert curation
Taxonomy
Kingdom:Plantae
Phylum:Chlorophyta
Class: Bryopsidophyceae
Order:Bryopsidales
Family:Udoteaceae

Image copyrights:www.botany.hawaii.edu

Description
Color: Dark brown or blackish

Plants to 1.5 dm tall, sessile or stalked, in which case the stalk 10-13 mm diameter, terete below, flattened above and transitional into the base of the blade; blade cuneate to rounded, somewhat irregularly lobed, to 6 cm long, 8 cm broad, rather softly leathery; structural filaments dull brown, notably monoliform, those of the medulla 50-70 µ diameter, those of the surface about 30 µ; reputed sporangia superficial, 200-350 µ diameter, 350-800 µ long. Thallus solitary, seldom clustered; mature blades kidney shaped to oval, loosely woven; margins smoothly rounded, lacerate, or ragged; blade base flat or lobed; zonation faint; stipe narrow, cylindrical, seldom branched; rhizoidal mass bulbous.


Synonym (s)

Common Name (s)
Economic Importance and Threats

Ecology
Habitat:  Reef Associated, Sandy

Biogeography


• INDIA
• MOZAMBIQUE
• SEYCHELLES
• Zanzibar TANZANIA

Literature Source(s)
  • Silva, PC; Basson, PW and Moe, RL (1996) Catalogue of the benthic marine algae of the Indian Ocean University of California Press 79 1259 pp Available at - NIO, Goa
  • Bolton, JJ; Oyieke, HA and Gwada, P (2007) The seaweeds of Kenya: Checklist, history of seaweed study, coastal environment, and analysis of seaweed diversity and biogeography South African Journal of Botany 73 76-88 Available at - NCL, Pune
  • Oza, RM and Zaidi, SH (2001) A revised checklist of Indian marine algae Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Botany University of Hawai'i at Manoa Available at - http://www.botany.hawaii.edu/
  • Taylor, WR (1972) Marine algae of the eastern tropical and subtropical coasts of the Americas University of Michigan Press 870 pp Available at - NIO, Goa
  • Sahoo, D; Nivedita and Debasish (2001) Seaweeds of Indian coast S. B. Nangia, A. P. H. Publishing Corporation, New Delhi 283 pp Available at - NIO, Goa
  • Littler, DS; Littler, MM and Brooks, BL (1995) Marine algae and seagrasses from the Tobacco Range Fracture Zone, Belize, C.A Atoll Research Bulletin Smithsonian Institution Press 429 1-43 Available at - http://si-pddr.si.edu/dspace/handle/10088/2580

Page last updated on:2011-10-03

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