Metastelma costatum (E. Mey.) D. Dietr. [ Parapodium costatum E. Mey.]
no HD illustration available (m1)
Metastelma costatum (E. Mey.) D. Dietr. [ Parapodium costatum E. Mey.] [Asclepiadaceae]
Ill. S. Afr. Flora: () [M.C. Fawkes]