Ceropegia ampliata

Ceropegia ampliata is a flowering plant in the dogbane family Apocynaceae, native to eastern and southern Africa, including Kenya, Tanzania, Mozambique, South Africa, Eswatini, Botswana, and Madagascar.[1][2] Common names include bushman's pipe, condom plant, and horny wonder.[3][4]

Ceropegia ampliata
Large white flowers on a thin green vine
Ceropegia ampliata in cultivation
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Gentianales
Family: Apocynaceae
Genus: Ceropegia
Species:
C. ampliata
Binomial name
Ceropegia ampliata

Description

Ceropegia ampliata is a trailing plant with a succulent stem and reduced leaves. The leaves may drop early, as the stem is the main photosynthetic organ, and it may form tuberous root structures.[3] Like many Ceropegia, pollination occurs by trapping insects inside of flowers with stiff hairs until a pollenium is attached to the insect's leg or tongue through anther slits on the corona.[5][6][7] Unlike other related species however, it is described as extremely generalist and is pollinated by flies from between four and seven fly families.[8][9]

The flowers of this species are white and light green, occasionally with a light purple ring along the tube. The corolla tube can be curved or straight, with an inflation at the base, and can grow up to 50-70 mm long. They often flower between December and March in their natural habitat. After the fruit follicles dry out and split, the tufted seeds are dispersed by wind.[3]

References
  1. Retief, E (1997). Plants of the Northern Provinces of South Africa: keys and diagnostic characters. Pretoria, South Africa: National Botanical Institute. ISBN 9781874907305.
  2. Meve, Ulrich; Liede, Sigrid (July 2002). "Floristic exchange between mainland Africa and Madagascar: case studies in Apocynaceae- Asclepiadoideae". Journal of Biogeography. 29 (7): 865–873. doi:10.1046/j.1365-2699.2002.00729.x. ISSN 0305-0270.
  3. Bester, Stoffel Petrus. "Ceropegia ampliata". Plant Z Africa. South African National Biodiversity Institute. Retrieved 30 April 2023.
  4. "Ceropegia ampliata". Top Tropicals. Retrieved 30 April 2023.
  5. Heiduk, A.; Brake, I.; Tolasch, T.; Frank, J.; Jürgens, A.; Meve, U.; Dötterl, S. (2010-10-01). "Scent chemistry and pollinator attraction in the deceptive trap flowers of Ceropegia dolichophylla". South African Journal of Botany. Chemical diversity and biological functions of plant volatiles. 76 (4): 762–769. doi:10.1016/j.sajb.2010.07.022. ISSN 0254-6299.
  6. Reynolds, Sage. "Ceropegia ampliata". www.sagereynolds.com. Archived from the original on 30 November 2022. Retrieved 2023-07-26.
  7. Bayer, M. B. (March 1978). "Pollination in Asclepiads". Veld & Flora. pp. 21–23. Archived from the original on 26 July 2023. Retrieved 25 July 2023.
  8. Coombs, Gareth; Dold, Anthony P.; Peter, Craig I. (2011-09-01). "Generalized fly-pollination in Ceropegia ampliata (Apocynaceae–Asclepiadoideae): the role of trapping hairs in pollen export and receipt". Plant Systematics and Evolution. 296 (1): 137–148. doi:10.1007/s00606-011-0483-6. ISSN 1615-6110. S2CID 36698383.
  9. Ollerton, Jeff; Dötterl, Stefan; Ghorpadé, Kumar; Heiduk, Annemarie; Liede-Schumann, Sigrid; Masinde, Siro; Meve, Ulrich; Peter, Craig I.; Prieto-Benítez, Samuel; Punekar, Sachin; Thulin, Mats; Whittington, Andrew (2017-09-01). "Diversity of Diptera families that pollinate Ceropegia (Apocynaceae) trap flowers: An update in light of new data and phylogenetic analyses". Flora. 234: 233–244. doi:10.1016/j.flora.2017.07.013. ISSN 0367-2530.
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