Pycnanthus Warb.

Description of the genus

Dioecious or monoecious, evergreen trees or lianes. Indumentum conisting of erect, branched-stellate hairs. Leaves usually cordate at the base, minutely punctate and glaucous beneath; main lateral nerves pronounced, in 15-60 pairs; tertiary nerves subparallel. Inflorescences consisting of divaricately-branching panicles, with flowers clustered in numerous dense obovoid-spherical heads at the ends of the inflorescence branches. Flowers unisexual, sessile. Male flowers: perianth 3-4-lobed; stamen filaments fused into a column; anthers 2-6, joined to the column. Female flowers: perianth as in the male flowers; stigma indistinct. Fruit oblong, ellipsoid or globular with a thick cartilaginous pericarp, dehiscent. Aril deeply laciniate, almost to the base. Endosperm ruminate.

Worldwide: 3-4 species occurring in tropical Africa

Zambia: 1 taxon.

Pycnanthus angolensis subsp. schweinfurthii

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

SpeciesFZ divisionsProvincesContent
angolensis (Welw.) Exell subsp. schweinfurthii (Warb.) Verdc.NLp,NDescription, Image

Other sources of information about Pycnanthus:

External websites:

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

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-23

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2023). Flora of Zambia: Genus page: Pycnanthus., retrieved 29 November 2023

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