Euastrum zeylanicum F.E.Fritsch 1907

Publication Details
Euastrum zeylanicum F.E.Fritsch 1907: 246, fig. 4G

Published in: Fritsch, F.E. (1907). A general consideration of the subaërial and fresh-water algal flora of Ceylon. A contribution to the study of tropical algal Eecology. Part I. - subaërial algae and algae of the inland fresh-waters. Proceeding of the Royal Society, London, Series B 79: 197-254.

Request PDF

Type Species
The type species (lectotype) of the genus Euastrum is Euastrum ansatum Ehrenberg ex Ralfs.

Status of Name
This name is of an entity that is currently accepted taxonomically.

Origin of Species Name
Adjective A (Latinised), living in Ceylon, now Sri Lanka; from "zeylan" the Dutch pronunciation of Ceylon.

General Environment
This is a freshwater species.

Description
Cells small, about one and a-half times longer than broad, very deeply constricted. Apical incision first slightly widened and then narrowed to more or less of a point. Semi-cells pyramidate, with pointed basal angles; apex convexo-truncate, the margin on either side of the apical incision being straight or slightly curved. Lateral margins with two incisions, of which the one next the apex is deeper than the other; upper portion of lateral margins (i.e., part between the apex and the first lateral incision) retuse; portions of lateral margins between first and second incisions and between second incision and median sinus denticulate. Median sinus very narrow and closed, slightly dilated at its inner end. Cell-wall smooth. Zygospore not seen.

Created: 14 January 2011 by M.D. Guiry.

Last updated: 17 December 2018

Verification of Data
Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.

Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=138523

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 17 December 2018. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 23 April 2024

Currently in AlgaeBase: