Raphionacme dyeri Retief & Venter

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Common names:
Status: Native
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
Flowering time:
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

Goyder, D.J., Gilbert, M.G. & Venter, H.J.T. (2020). Apocynaceae (Part 2) Flora Zambesiaca 7(3) Page 31.

Venter, H.J.T. (2009). A Taxonomic revision of Raphionacme (Apocynaceae: Periplocoideae) South African Journal of Botany 75(2) Pages 305 - 306.

Other sources of information about Raphionacme dyeri:

External websites:

African Plants: A Photo Guide (Senckenberg): Raphionacme dyeri
BHL (Biodiversity Heritage Library): Raphionacme dyeri
EOL (Encyclopedia of Life): Raphionacme dyeri
ePIC (electronic Plant Information Center): Raphionacme dyeri
Flora Zambesiaca web site: Raphionacme dyeri
GBIF (Global Biodiversity Information Facility): Raphionacme dyeri
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Raphionacme dyeri
iNaturalist: Raphionacme dyeri
IPNI (International Plant Names Index): Raphionacme dyeri
JSTOR Plant Science: Raphionacme dyeri
Kew Herbarium catalogue: 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

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-21

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2021). Flora of Zimbabwe: Species information: Raphionacme dyeri.
https://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=184360, retrieved 24 September 2021

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