Taxonomic Studies on Ceramieae (Ceramiales, Rhodophyta) with Predominantly Basipetal Growth of Corticating Filaments
1993
Ceramieae, the Ceramiaceae that have corticating filaments applied on axes at junctions of monosiphonous filaments, have species in which corticating filaments remain only at the nodes or cover the axis by growing mostly in an acropetal (Ceramium) or a basipetal direction (Centroceras). Those species with mostly basipetal growth of corticating filaments have either three or four primary corticating filaments from each pericentral cell. Some species having three primary corticating filaments from each pericentral cell have two placed distally and one in a proximal position. Only acropetal growth occurs in one of the distal filaments, producing only a 2-3-celled filament. Basipetal growth occurs on the other distal filament which may also produce a 1-few-celled acropetal filament
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