Manipulus rubiacearum. IV. Kerianthera (Rubiaceae), a new genus from Amazonian Brazil

A new genus, Kerianthera, and its single new species, K. preclara, are presented. Kerianthera is a member of tribe Condamineeae and is easily distinguished from related genera by its 4-merous calyx, 7 or 8-merous corolla, stamens separating from the corolla tube at its apex, anthers with approximate...

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Bibliographic Details
Published in:Brittonia 1985, Vol.37 (1), p.109-116
Main Author: Kirkbride, Joseph H.
Format: Article
Language:English
Subjects:
Anthers
Biological and medical sciences
brasil
brazil
bresil
Calyx
Corolla
Dehiscence
Fundamental and applied biological sciences. Psychology
Genera
New genus
Ovaries
Ovules
Placenta
Plant cytology, morphology, systematics, chorology and evolution
rubiaceae
Spermatophyta
Systematics (diagnosis, chromosome numbers)
Taxa
taxonomia
taxonomie
taxonomy
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Description
Summary:A new genus, Kerianthera, and its single new species, K. preclara, are presented. Kerianthera is a member of tribe Condamineeae and is easily distinguished from related genera by its 4-merous calyx, 7 or 8-merous corolla, stamens separating from the corolla tube at its apex, anthers with approximately 300 locelli, septicidal capsules, and seeds irregularly biwinged. It is most similar phenetically to the genus Pinckneya with which it shares foliar calyx lobes on some flowers, corolla lobes densely pubescent on the inner surface, and winged seeds.
ISSN:0007-196X
1938-436X
DOI:10.2307/2806257