Croton menyharthii Pax

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Ruia River, Kariba

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Synonyms:	Argyrodendron bicolor Klotzsch Croton kwebensis N.E. Br.
Common names:	Rough-leaved croton (English)
Frequency:
Status:
Description:	Shrub or small tree, up to 4 m tall. Bark brownish-grey; branchlets covered with pale whitish to yellowish hairy scales. Leaves alternate, elliptic to lanceolate, up to 9.5 cm long cm, yellowish-green above with a rough surface of sparse stellate hairs, densely covered in white to yellowish hairy scales below, with two small glands next to the petiole; margin entire. Flowers in short terminal spikes, unisexual, usually on the same tree, pale yellowish-green, c. 4 mm in diameter. Fruit a 3-lobed capsule, c. 6 mm in diameter, covered in greyish to yellowish scales and often with scattered black dots.
Notes:
Derivation of specific name:	menyharthii: after Lászlò Menyhárth, 1849–1897, Austro-Hungarian missionary and plant collector.
Habitat:
Flowering time:	Sep - Dec
Worldwide distribution:	Angola, Botswana, Namibia, Ethiopia, Somalia, Kenya, Tanzania, Malawi, Mozambique, Zambia, Zimbabwe, Eswatini and Mpumalanga and KwaZulu-Natal, South Africa.
Botswana distribution:	N,SW,SE
Growth form(s):	Tree, shrub over 2 m.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters:	Display spot characters for this species
Literature:	Burrows, J.E., Burrows, S.M., Lötter, M.C. & Schmidt, E. (2018). Trees and Shrubs Mozambique Publishing Print Matters (Pty), Cape Town. Page 442. (Includes a picture). Curtis, B.A. & Mannheimer, C.A. (2005). Tree Atlas of Namibia National Botanic Research Institute, Windhoek Pages 330 - 331. (Includes a picture). Drummond, R.B. (1975). A list of trees, shrubs and woody climbers indigenous or naturalised in Rhodesia. Kirkia 10(1) Page 252. As Croton menyhartii Mannheimer, C. & Curtis B. (2009). Le Roux and Müller's Field Guide to the Trees and Shrubs of Namibia Macmillan Education, Windhoek, Namibia. Pages 258 - 259. (Includes a picture). Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 41. Radcliffe-Smith, A. (1996). Euphorbiaceae Flora Zambesiaca 9(4) Pages 278 - 279. Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 56. Timberlake, J.R. & Childes, S.L. (2004). Biodiversity of the Four Corners Area: Technical Reviews Volume Two (Chapter 5-15) Appendix 5-1: Plant Checklist Occasional Publications in Biodiversity 15 Page 207.

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Flora of Caprivi: Croton menyharthii
Flora of Malawi: Croton menyharthii
Flora of Mozambique: Croton menyharthii
Flora of Zambia: Croton menyharthii
Flora of Zimbabwe: Croton menyharthii

External websites:

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