Ruehssia coulteri

Ruehssia coulteri (Hemsl.) L.O.Alvarado 屬於夾竹桃科（Apocynaceae）Ruehssia 屬。

Related species

Ruehssia hilariana

Ruehssia altissima

Ruehssia caatingae

Ruehssia weddellii

Ruehssia megalantha

Ruehssia silverstonei

Asketanthera picardae

Cynanchum thesioides

Gonolobus leianthus

Secamone africana

Asketanthera dolichopetala

Kanahia laniflora