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Title: Descriptions of Two New Genera, Scageliopsis and Glandothamnus (Ceramiaceae, Rhodophyta), Including Five Previously Undescribed Species from Southern Australia 
Author: Wollaston, E.M.
Date: 1980-04
Publisher: University of Hawaii Press
Citation: Wollaston EM. 1980. Descriptions of two new genera, Scageliopsis and Glandothamnus (Ceramiaceae, Rhodophyta), including five previously undescribed species from southern Australia. Pac Sci 34(2): 109-127.
Abstract: Two genera, Scageliopsis and Glandothamnus, including 5 new
species (Scageliopsis patens, Glandothamnus ramulentus, G. manifestus, G.
flexilis, and G. acicularis), are described from southern Australia. Both genera
have some similarities with the northern hemisphere genus Scagelia Wollaston
and with Platythamnion J. Agardh. Scageliopsis is characterized by whorls of
equal whorl-branchlets, lateral gland cells, and carposporophytes produced on
basal cells of fully developed whorl-branchlets which arise from axes capable of
continued elongation. Glandothamnus is distinguished by unilateral initiation
of whorl-branchlets at branch apices, adaxial branching of young whorl-branchlets,
mature gland cells elongated obliquely to whorl-branchlet axes, and
carposporophytes borne on fully formed whorl-branchlets arising from axes
which only occasionally continue to elongate. Scageliopsis and Glandothamnus
are placed with Scagelia in the tribe Antithamnieae (Ceramiaceae). Complete
keys to all known genera of the tribes Antithamnieae and Heterothamnieae
are included.
ISSN: 0030-8870

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