The flower of "Heterosmilax" is fused into a deep bottle-shaped tube containing prominent nectaries and its stamens are connected at the bottom, whereas flowers of "Smilax" are typically small with unfused floral parts.
The flower of "Heterosmilax" is fused into a deep bottle. Shaped tube containing prominent nectaries and its stamens are connected at the bottom. Flowers of "Smilax" are typically small with unfused floral parts.