Carvalhoa K. Schum.

Leeuwenberg, A.J.M. & Kupicha, F.K. et al. (1985) Apocynaceae Flora Zambesiaca 7(2)

Description of the genus

Shrub or small tree, repeatedly dichotomously branched and with 2 inflorescences in the forks when flowering, with white latex. Branchlets terete. Leaves opposite, those of a pair equal or unequal, shortly petiolate or sometimes sessile; petioles or leaf–bases of a pair united at the base; lamina elliptic, cuneate, rounded or subcordate at the base. Inflorescence pedunculate, corymbose, lax; bracts caducous before the flowers open. Flowers actinomorphic except for the slightly curved corolla tube; calyx pale green, persistent, even under the fruit; corolla white, creamy, or pale yellow, with many red longitudinal lines at the base of the lobes and at the apex of the tube; tube longer than the calyx; lobes spreading(?) or suberect in bud overlapping to the left. Ovary broadly ovoid, composed of 2 free carpels, surrounded by an entire disk, which is united with the distal sides of the ovary. Fruit 2 free carpels which usually both develop and which dehisce adaxially; wall soft, orange inside. Seeds surrounded by a darker orange pulpy aril, few, rather large, obliquely ellipsoid or ovoid; endosperm copious, starchy, creamy, surrounding the embryo.

Worldwide: 1 species in E and SE Africa.

Malawi: 2 taxa.

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Links to taxa:     View: living plant images - herbarium specimen images - all images for this genus

SpeciesFZ divisionsContent
campanulata K. Schum.N,C,S
macrophylla K. Schum.?

Other sources of information about Carvalhoa:

Our websites:

Flora of Mozambique: Carvalhoa

External websites:

African Plants: A Photo Guide (Senckenberg): Carvalhoa
BHL (Biodiversity Heritage Library): Carvalhoa
EOL (Encyclopedia of Life): Carvalhoa
GBIF (Global Biodiversity Information Facility): Carvalhoa
Google: Web - Images - Scholar
iNaturalist: Carvalhoa
IPNI (International Plant Names Index): Carvalhoa
JSTOR Plant Science: Carvalhoa
Mansfeld World Database of Agricultural and Horticultural Crops: Carvalhoa
Plants of the World Online: Carvalhoa
Tropicos: Carvalhoa
Wikipedia: Carvalhoa

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-23

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2023). Flora of Malawi: Genus page: Carvalhoa., retrieved 5 December 2023

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