| Home | > | List of families | > | Apocynaceae subfamilies Asclepiadoideae and Secamonoideae | > | Margaretta | > | rosea |
| Synonyms: |
Margaretta orbicularis K. Schum. Margaretta pulchella Schltr. |
| 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, mostly violet, purple, magenta or white, sparsely hairy outside, hairless inside. Corona lobes arising from the base of the staminal column, basal part clawed with 2 teeth; upper orbicular, abruptly narrowing into the petal-like claw. Fruit in 2 erect follicles, narrowly spindle-shaped, smooth, pubescent. |
| Type location: |
Malawi |
| Notes: | See subsp. cornetii for comparison. |
| Derivation of specific name: | |
| Habitat: | Seasonally inundated, often burnt grassland. |
| Altitude range: | 400 - 1600 m |
| Flowering time: | Mostly Oct - Dec |
| Worldwide distribution: | Southwestern Tanzania, Malawi, Zambia and Shaba DRC. |
| Zambian distribution (Flora Zambesiaca): | W,C |
| Zambian distribution (Provinces): | |
| 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 Margaretta orbicularis Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 73. as Margaretta rosea subsp. bidens (Includes a picture). Goyder, D.J. (2005). Infraspecific variation in Margaretta rosea Oliv. (Apocynaceae: Asclepiadoideae) Kew Bulletin 60(1) Pages 89 - 92. Goyder, D.J., Gilbert, M.G. & Venter, H.J.T. (2020). Apocynaceae (Part 2) Flora Zambesiaca 7(2) Pages 281 - 283. (Includes a picture). |
| Home | > | List of families | > | Apocynaceae subfamilies Asclepiadoideae and Secamonoideae | > | Margaretta | > | rosea |