They grow in trees, including Acacia and Combretum species,[1] as hemiparasitic shrubs of varying sizes.

[2] The host plant is penetrated by a single haustorium,[2] and the stems typically have swollen, flower-producing nodes.

The flowers are often closely clustered (fascicled) with the five petals (pentamerous) fused into a tube (gamopetalous).

[note 1] The flower may have a swollen base and the tubes open along unilateral, V-shaped splits.

[3] It is the largest genus of the Afrotropical Loranthaceae[2] containing some 61 species,[4] including: Media related to Agelanthus at Wikimedia Commons