Raphionacme dyeri Retief & Venter

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Photo: Amanda Mileson
c. 25 km SW of Thabazimbe, South Africa

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Synonyms:
Common names:
Frequency:
Status:	Native
Description:	Perennial herb, up to 15 cm high, growing from a ovoid tuber c. 10 cm in diameter. Stems up to 15 cm long, decumbent or spreading horizontally, reddish-green, hairy. Leaves opposite, more or less narrowly ovate, 2-6.5 cm long, mostly folded lengthwise, dull bluish-green and hairless above, hairy below; apex mucronate; petiole up to 3 mm long. Flowers in terminal or axillary branched heads, 3-5 flowers per branch. Sepals purplish-green. Corolla lobes spreading, oblong-ovate, 4-8 mm long, purplish-green outside, hairy, inside yellowish-green with a bright magenta-purple inverted 'V'. Corona lobes 3-partite; central segment filiform c. 10 mm, much longer than lateral. Fruit in paired follicles, spreading horizontally, narrowly ovoid, 5-8 cm long.
Notes:	Originally thought to be endemic to the highveld grassland of the South African Free State, it has more recently been recorded from the Limpopo Province and Southern Zimbabwe.
Derivation of specific name:
Habitat:	Occurring in grassland and dry open woodland, on sandy and clay rich soils.
Altitude range: (metres)	1000 - 1400 m
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Worldwide distribution:	Southern Zimbabwe and Limpopo and Free State, South Africa.
Zimbabwe distribution:	S
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters:	Display spot characters for this species
Literature:	Goyder, D.J., Gilbert, M.G. & Venter, H.J.T. (2020). Apocynaceae (Part 2) Flora Zambesiaca 7(2) Page 31. Venter, H.J.T. (2009). A Taxonomic revision of Raphionacme (Apocynaceae: Periplocoideae) South African Journal of Botany 75(2) Pages 305 - 306.

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External websites:

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