Sida hoepfneri Gürke

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Chersa Forest Land, Umguza District

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Synonyms:	Sida aurescens Ulbr. Sida chionantha Ulbr. Sida dinteriana Hochr. Sida flexuosa Burtt Davy Sida longipes sensu Eyles p.p. Sida longipes E. Mey. ex Harv. var. canescens Szyszył.
Common names:
Frequency:
Status:	Native
Description:	Erect branched annual or rarely perennial herb, up to 1·75 m tall, woody at the base, densely and shortly whitish, greenish-white, greyish-yellow or pale greyish-green velvety most parts; stems wiry, purplish-grey to brownish, grooved, becoming hairless when older. Leaves usually oblong or ovate-oblong to broadly elliptic, up to 7 cm long, shortly and densely hairy on both surfaces or sometimes becoming hairless above, veins usually more or less impressed above and prominent beneath; margin distinctly and sometimes rather coarsely serrate; petiole 5-25 mm long. Flowers solitary, axillary, white to pale yellow, occasionally golden yellow on pedicels 1·5–7 cm long. Mericarps usually 8–10, c. 6 mm long, brown, not awned, usually stellate-hairy at least in the upper part, laterally conspicuously reticulate with usually yellowish slightly raised ridges. Seeds ovoid, brown, hairless except for the area around the hilum.
Type location:	Syntypes from Namibia and Angola
Notes:	A variable species but always with shortly but densely hairy vegetative parts; hardly discolorous leaves and awnless, laterally ridged mericarps.
Derivation of specific name:	hoepfneri: after Karl Höpfner (1857-1900), German-born geologist and electrochemical engineer. He also was a plant collector while prospecting in Angola and Namibia with August Lüderitz.
Habitat:	Mostly found in dry Terminalia woodland on deep sandy soils. Sometimes in brackish or alkaline soils in pans or seasonally dry riverbeds.
Altitude range:	600 - 1200 m
Flowering time:
Worldwide distribution:	Southern Angola, Mozambique, Zambia, Zimbabwe, Botswana, Namibia and Mpumalanga, KwaZulu-Natal, North-West Province South Africa.
Zambian distribution (Flora Zambesiaca):	B,S
Zambian distribution (Provinces):	S,W
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters:	Display spot characters for this species
Content last updated:	Saturday 30 June 2018
Literature:	Exell, A.W. (1961). Malvaceae Flora Zambesiaca 1(2) Pages 482 - 483. 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 61.

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Flora of Botswana: Sida hoepfneri
Flora of Caprivi: Sida hoepfneri
Flora of Mozambique: Sida hoepfneri
Flora of Zimbabwe: Sida hoepfneri

External websites:

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