Britannica Sources used in this answer

Which genus besides Passiflora contains about 100 species in Passifloraceae?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

weeping willow tree — Malpighiales Weeping willow (*Salix babylonica*).

Within the Passifloraceae family, which is part of the order Malpighiales, the genus Adenia is the other large group, containing approximately 100 species found in Africa and tropical Asia.1