Calycosiphonia Pierre ex Robbr.

Bridson, D.M. & Verdcourt, B. (2003) Rubiaceae, Part 3 Flora Zambesiaca 5(3)

Description of the genus

Shrubs or small trees. Leaves opposite, petiolate, membranous to subcoriaceous, glabrous; sparsely ciliate; stipules shortly sheathing with triangular limbs. Inflorescences axillary with 1–4 flowers borne in each axil, stalked; bract and bracteoles 2–3, saucer-shaped, usually totally obscuring the pedicel, pubescent. Flowers 7–8-merous; calyx tube campanulate, obscured by the upper bracteolar cupule; corolla white or yellow, glabrous outside; tube cylindric below but widening above; lobes contorted to the left in bud, 7–8 spreading. Ovary 2-locular. Fruit rather fleshy, 1–2-seeded. Seeds dark in colour, endosperm dark purplish in colour (in preserved material), entire.

Worldwide: Two species in tropical Africa.

Mozambique: 1 taxon.

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SpeciesFZ divisionsContent
spathicalyx (K. Schum.) Robbr.Z

Other sources of information about Calycosiphonia:

Our websites:

Flora of Malawi: Calycosiphonia

External websites:

ePIC (electronic Plant Information Center): Calycosiphonia
Flora Zambesiaca web site: Calycosiphonia
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Calycosiphonia
IPNI (International Plant Names Index): Calycosiphonia
Kew Herbarium catalogue: Calycosiphonia

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave 2007-20

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2020). Flora of Mozambique: Genus page: Calycosiphonia.
https://www.mozambiqueflora.com/speciesdata/genus.php?genus_id=1855, retrieved 4 August 2020

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