Ipomoea sinensis (Desr.) Choisy
subsp. sinensis

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Photo: Bart Wursten
Base of Mt Bunga, northwestern Gorongosa National Park.

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Synonyms:	Aniseia calycina (Roxb.) Choisy Convolvulus calycinus Roxb. Convolvulus hardwickii Spreng. Convolvulus ser Spreng. Convolvulus sinensis Desr. Ipomoea auxocalyx Pilger Ipomoea calycina (Roxb.) C.B. Clarke
Common names:
Frequency:
Status:	Native
Description:	Annual herb with numerous stems growing from a taproot, prostrate or twining, up to 2.5 m long, more or less densely covered with white spreading hairs, particularly when young. Leaves ovate to ovate-oblong, 2-10 cm long, broadly cordate or rarely subhastate at the base, pubescent or hairless; petiole slender, 1-10 cm long. Flowers axillary, 1-3 on a slender peduncle, up to 6.5 cm long, hairy; pedicels up to 1.9 cm long, hairy, erect in flower, reflexed in fruit. Bracts minute, lanceolate. Sepals (in this subspecies) 4-11 mm long, enlarging in fruit up 23 mm long, unequal, outer ones ovate with a broad cordate to subhastate base and a long narrow lanceolate apex; inner ones lanceolate with a somewhat broadened base. Corola in this subspecies normally white, up to 2.2 cm long. Capsule globose with an apiculate apex formed by the persistent style-base, hairless.
Notes:	See subsp. blepharosepala for comparison.
Derivation of specific name:	sinensis: Chinese; of China
Habitat:	In woodland, thicket and grassland on alluvial and sandy soils.
Flowering time:
Worldwide distribution:	Tanzania, Mozambique, Zambia, Zimbabwe, Botswana, Namibia, Eswatini, South Africa and through tropical Asia as far as Taiwan.
Botswana distribution:	N
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:	Wednesday 27 July 2016
Literature:	Gonçalves, M.L. (1987). Convolvulaceae Flora Zambesiaca 8(1) Pages 70 - 72. (Includes a picture). Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 372. (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 37. Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 51. 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 205.

Other sources of information about Ipomoea sinensis subsp. sinensis:

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Flora of Caprivi: Ipomoea sinensis subsp. sinensis
Flora of Mozambique: Ipomoea sinensis subsp. sinensis
Flora of Zambia: Ipomoea sinensis subsp. sinensis
Flora of Zimbabwe: Ipomoea sinensis subsp. sinensis

External websites:

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