Home | > | List of families | > | Apocynaceae subfamilies Asclepiadoideae and Secamonoideae | > | Margaretta | > | rosea |
Synonyms: |
Margaretta whytei K. Schum. |
Common names: | |
Frequency: | |
Status: | Native |
Description: |
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 |
Literature: |
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. |
Home | > | List of families | > | Apocynaceae subfamilies Asclepiadoideae and Secamonoideae | > | Margaretta | > | rosea |