Electronic Flora of South Australia Genus Fact Sheet

Genus LAMPROTHAMNIUM J. Groves 1916: 336

Phylum Charophyta

Thallus ecorticate, with whorled lateral branches; stipulodes in a single tier, each directly below ("opposite") a branch of a whorl; bract-cells 3–5, verticillate on lateral branches. Reproductive organs commonly borne in condensed branch systems forming a spike, with the oogonium usually below the antheridium.

Type species: L. papulosum (Wallroth) J. Groves 1916: 337.

Taxonomic notes: A genus of 3 or 4 species, characterised (Wood 1965, p. 327) by the "opposite" stipulodes, by features of the coronal cells and oogonia (Daily 1967, p. 204) and by subdivision of the two central nodal cells (Frame & Sawa 1975, p. 202).

References:

DAILY, F.K. (1967). Lamprothamniurn in America. J. Phycol. 3, 201–207.

FRAME, P. & SAWA, T. (1975). Comparative anatomy of Charophyta: II. The axial nodal complex-an approach to the taxonomy of Lamprothamnium. J. Phycol. 11, 202–205.

GROVES, J. (1916). On the name Lamprothamnus Braun. J. Bot. 54, 336–337.

WOOD, R.D. (1965). A revision of the Characeae. Part. I. Monograph of the Characeae. (Cramer: Weinheim.)

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
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