Siphocampylus siberiensis. A Habit B Detail of young stem C Detail of leaf margin and venation on abaxial leaf surface D Flower bud E Capsule F Lateral view of flower in pistillate phase G Anterior view of corolla, showing corolla aperture H Abaxial leaf surface I Adaxial leaf surface. All photos of the type collection, taken in the field by L. Lagomarsino; D. Santamaría-Aguilar is shown collecting the type in A.