What is "pentopetia"

Pentopetia is a plant genus in the family Apocynaceae, first described as a genus in 1844.

The genus should not be confused with the related genus with a similar name, Petopentia.

all are endemic to Madagascar

Moved to other genera ( Cryptolepis, Ischnolepis, Petopentia, Secamone)

1. P. albicans now Cryptolepis albicans
2. P. graminifolia now Ischnolepis graminifolia
3. P. linearifolia now Secamone geayi
4. P. natalensis now Petopentia natalensis