Margaretta rosea Oliv.
subsp. whytei (K. Schum.) M. Mwanyambo

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Margaretta rosea subsp. whytei

Photo: Bart Wursten
Cecil Kop Nature Reserve, Mutare

Margaretta rosea subsp. whytei

Photo: Bart Wursten
Bridal Veil Falls, Chimanimani

Margaretta rosea subsp. whytei

Photo: Bart Wursten
Bridal Veil Falls, Chimanimani

Margaretta rosea subsp. whytei

Photo: Bart Wursten
Maonza, Vumba

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Synonyms: Margaretta whytei K. Schum.
Common names:
Status: Native
Erect perennial herb, growing from a carrot-shaped tuberous rootstock. Stems usually single, milky sap present. Leaves opposite, linear-oblong to lanceolate, up to 20 cm long, sparsely hairy on both surfaces; base slightly cordate. Flowers in terminal or extra-axillary 3-10-flowered subspherical umbels. Corolla 5-lobed nearly to the base, mauve, sparsely hairy outside, hairless inside. Corona lobes arising from the base of the staminal column, basal part clawed with 3 teeth; upper part flat and petal-like, mostly larger than the corolla lobes Fruit in 2 erect folicles, narrowly spindle-shaped, smooth, pubescent.
Notes: See subsp. cornettii for comparison.
Derivation of specific name: rosea: rose, rosy
whytei: after Alexander Whyte (1834-1908), Scottish plant explorer, and botanist who collected in Liberia, Kenya, Malawi and Uganda.
Habitat: Grassland, and open woodland.
Altitude range: (metres) 300 - 1500 m
Flowering time:Oct - Jan
Worldwide distribution: Southeastern Tanania, Malawi, Mozambique, Zimbabwe
Zimbabwe distribution: N,C,E
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Binns, B. (1968). A First Check List of the Herbaceous Flora of Malawi The Government Printer, Zomba, Malawi Page 21. as subsp. rosea and possibly subsp. bidens

Goyder, D.J. (2005). Infraspecific variation in Margaretta rosea Oliv. (Apocynaceae: Asclepiadoideae) Kew Bulletin 60(1) Pages 89 - 91.

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.

Other sources of information about Margaretta rosea subsp. whytei:

Our websites:

Flora of Malawi: Margaretta rosea subsp. whytei
Flora of Mozambique: Margaretta rosea subsp. whytei

External websites:

African Plants: A Photo Guide (Senckenberg): Margaretta rosea
African Plant Database: Margaretta rosea
BHL (Biodiversity Heritage Library): Margaretta rosea
EOL (Encyclopedia of Life): Margaretta rosea
ePIC (electronic Plant Information Center): Margaretta rosea
Flora Zambesiaca web site: Margaretta rosea
GBIF (Global Biodiversity Information Facility): Margaretta rosea
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Margaretta rosea
iNaturalist: Margaretta rosea
IPNI (International Plant Names Index): Margaretta rosea
JSTOR Plant Science: Margaretta rosea
Kew Herbarium catalogue: Margaretta rosea
Mansfeld World Database of Agricultural and Horticultural Crops: Margaretta rosea
Plants of the World Online: Margaretta rosea
The Plant List (version 1.1): Margaretta rosea
Tropicos: Margaretta rosea
Wikipedia: Margaretta rosea

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-20

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2020). Flora of Zimbabwe: Species information: Margaretta rosea subsp. whytei., retrieved 21 January 2020

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