Pentarrhinum insipidum E. Mey.

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Photo: Bart Wursten
Along road from entrance gate to Chitengo, Gorongosa National Park

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Synonyms:
Common names:	African heart-vine (English)
Frequency:
Status:	Native
Description:	Perennial twining herb with milky sap. Stems 2-3 m long, covered in soft hairs; leaf-like stipules at the nodes. Leaves ovate, sparsely hairy, 3-5-veined from the broadly cordate base. Flowers in axillary pseudo-umbels. Corolla lobes green, often more or less densely tinged maroon, spreading or reflexed. Outer corona lobes creamy-white to orange-yellow with a horn-like apical appendage curving inwards; inner lobes greenish, striped maroon. Fruit usually a single follicle, 5-8.5 cm long, softly spiny.
Notes:
Derivation of specific name:	insipidum: without taste
Habitat:	In woodland, grassland and riverine forest fringes.
Altitude range:	Up to 1700 m
Flowering time:	Dec - May
Worldwide distribution:	Widespread in tropical Africa and South Africa
Mozambique distribution:	MS (other?)
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:	Thursday 3 May 2012
Literature:	Binns, B. (1968). A First Check List of the Herbaceous Flora of Malawi The Government Printer, Zomba, Malawi Page 21. Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 28. As Pentarrhinum abyssinicum angolense Da Silva, M.C., Izidine, S. & Amude, A.B. (2004). A preliminary checklist of the vascular plants of Mozambique. Southern African Botanical Diversity Network Report No. 30 Sabonet, Pretoria Page 26. Goyder, D.J., Gilbert, M.G. & Venter, H.J.T. (2020). Apocynaceae (Part 2) Flora Zambesiaca 7(2) Pages 336 - 338. (Includes a picture). Kirby, G. (2013). Wild Flowers of Southeast Botswana Struik Nature, Cape Town South Africa Page 346. (Includes a picture). Liede, S. & Nicholas, A. (1992). A Revision of the Genus Pentarrhinum E. Meyer (Asclepiadaceae) Kew Bulletin 47(3) Pages 484 - 487. (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 21. Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 28.

Other sources of information about Pentarrhinum insipidum:

Our websites:

Flora of Botswana: Pentarrhinum insipidum
Flora of Malawi: Pentarrhinum insipidum
Flora of Zambia: Pentarrhinum insipidum
Flora of Zimbabwe: Pentarrhinum insipidum

External websites:

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