Ischnolepis natalensis

{{Short description|Genus of flowering plants}}

{{Speciesbox

|image = Ischnolepis natalensis 1DS-II 3-6798.jpg

|image_caption = Flower and leaves

|image2 = Seed petopentia natalensis.jpg

|image2_caption = Seeds

|display_parents = 2

|genus = Ischnolepis

|species = natalensis

|authority = (Schltr.) Venter (2001)

|synonyms =

• Pentopetia natalensis Schltr. (1894)
• Petopentia natalensis {{small|(Schltr.) Bullock (1954)}}
• Tacazzea natalensis (Schltr.) N.E.Br. (1907)

|synonyms_ref = [https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:20003295-1 Ischnolepis natalensis (Schltr.) Venter]. Plants of the World Online. Retrieved 30 September 2023.

}}

Ischnolepis natalensis is a climbing geophyte vine, commonly known as propeller vine, in the family Apocynaceae. It is native to Eastern Cape and KwaZulu-Natal provinces of South Africa.Gibbs Russell, G. E., W. G. M. Welman, E. Retief, K. L. Immelman, G. Germishuizen, B. J. Pienaar, M. Van Wyk & A. Nicholas. 1987. List of species of southern African plants. Memoirs of the Botanical Survey of South Africa 2(1–2): 1–152(pt. 1), 1–270(pt. 2).

It was formerly placed in the monotypic genus Petopetia, which was first described as a genus in 1954.Bullock, Arthur Allman. 1954. Kew Bulletin 1954: 362