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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Species details: Click on each item to see an explanation of that item (Note: opens a new window)

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 follicles, 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 Tanzania, 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

Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 38. As Margaretta rosea rosea

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

Goyder, D.J., Gilbert, M.G. & Venter, H.J.T. (2020). Apocynaceae (Part 2) Flora Zambesiaca 7(2) Pages 281 - 283. (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.

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
GBIF (Global Biodiversity Information Facility): Margaretta rosea
Google: Web - Images - Scholar
iNaturalist: Margaretta rosea
IPNI (International Plant Names Index): Margaretta rosea
JSTOR Plant Science: Margaretta rosea
Mansfeld World Database of Agricultural and Horticultural Crops: Margaretta rosea
Plants of the World Online: Margaretta rosea
Tropicos: Margaretta rosea
Wikipedia: Margaretta rosea

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-23

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2023). Flora of Zimbabwe: Species information: Margaretta rosea subsp. whytei., retrieved 9 December 2023

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