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Paracephaelis Baill. Search in The Plant ListSearch in IPNISearch in Australian Plant Name IndexSearch in Index Nominum Genericorum (ING)Search in NYBG Virtual HerbariumSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical Garden Decrease font Increase font Restore font

Published In: Adansonia 12: 316. 1879. (Adansonia) Name publication detailView in Biodiversity Heritage Library

Project Name Data (Last Modified On 6/10/2009)
Acceptance : Accepted
Taxon Profile     (Last Modified On 2/15/2016)
Generic Distribution: not endemic to the Malagasy Region
Generic Species Diversity and Endemism Status: based on existing literature
No. of species in Fl. Madagasc.: not published
Accepted Published Species: 4 endemic
Estimated Undescribed Species: none
Estimated Total Species: 4 endemic
Additional Taxonomic Work: in progress
Species Level Data Entry: complete

Paracephaelis is characterized by its woody habit; interpetiolar triangular stipules; petiolate leaves that are often pubescent; terminal, shortly cymose, rounded, sessile to shortly pedunculate inflorescences; bisexual homostylous flowers; the tubular calyx with 5 triangular lobes; salverform to funnelform corollas with the 5 lobes contorted in bud; the ovary 2-locular, with 3-4 ovules in each locule; and berry-like fruits with the seeds reniform, somewhat flattened, and with entire endosperm. A single species, Paracephaelis sericea (Arènes) De Block was separated in the monospecific genus Homolliella, it differs from the other species by its well developed calyx tube, with rather short lobes; the usually sericeous to velutinous external surfaces of the corolla; and its ridged the ovary. However, recently De Block, et al. (2015) in a study which included molecular data concluded that it should not be separated.

De Block (2003) noted that Paracephaelis is closely related to Homollea, although the species of the genera do not have a particularly similar general aspect. Homollea also differs in its generally unbranched inflorescences borne on well developed peduncles and its long narrow calyx lobes. Some species of Paracephaelis are similar in general aspect to Schizenterospermum, but that last genus has the corolla lobes valvate in bud. Paracephaelis is also similar to Tarenna, but Tarenna generally has glabrous, often tough-textured leaves and inflorescences with fewer larger flowers.

Compiled or updated by: C.M. Taylor VII 2011




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