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Electronic Flora of South Australia Family Fact Sheet

FAMILY ULOTRICHACEAE Kützing

Phylum Chlorophyta – Order Ulotrichales

Thallus filamentous, unbranched, basally attached or free-floating. Cells cylindrical, usually short (L/B less than 3); chloroplast single, parietal, band-shaped and usually not completely encircling the cell, with one (to a few) pyrenoids.

Reproduction: Reproduction by biflagellate or quadriflagellate zoospores, aplanospores, and by isogametes or anisogametes.

References: The Marine Benthic Flora of Southern Australia Part I

Author: H.B.S. Womersley

Publication: Womersley, H.B.S. (31 May, 1984)
The Marine Benthic Flora of Southern Australia
Part I
©Board of the Botanic Gardens and State Herbarium, Government of South Australia

KEY TO GENERA OF ULOTRICHACEAE

1. Attachment by a basal rhizoid, cells L/B about 1, filaments of uniform diameter throughout most of their length

ULOTHRIX

1. Attachment by a gelatinous, conical disc, cells L/B (2–) 4–8 (–10), filaments of increasing diameter above

URONEMA


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