PlantaeDB Logo
Login Sign-up

Genus Agelanthus in Family Loranthaceae

In botanical taxonomy, a genus (plural genera) is a rank used to group closely related species within a family. In the hierarchy, genus sits below family and above species.

Genera are defined by shared morphological, anatomical, and genetic characteristics (for example, features of flowers, fruits, seeds, or leaves) that indicate a close evolutionary relationship among the species they contain.

Each genus can include one or more species. Examples include Rosa (roses) and Solanum (nightshades, including tomato and eggplant).

Do you wish to read more about plant taxonomy? Click here!

Genus Description

Suggest a correction!

Agelanthus (Loranthaceae) is a pan-tropical African mistletoe of about 200 species, ranging across sub-Saharan Africa, Madagascar, and the southwestern Arabian Peninsula, from lowland rainforest to dry savanna and coastal scrub (Polhill & Wiens, 1998; POwo, 2024). Agelanthus use is the type (Polhill & Wiens, 1998).

Plants are woody aerial hemiparasites forming dense tufts or pendent shrubs on a wide host spectrum. Shoots are glabrous to pubescent with opposite to alternate leaves that vary from entire to lobed and sometimes possess small stipules. Inflorescences are usually axillary fascicles, racemes, or spikes; the inflorescence structure is often paired flowers within a simple dichasium, or solitary flowers; the primary bract usually lacks lateral bracteoles, a combination that helps distinguish Agelanthus from most close relatives (Polhill & Wiens, 1998). Flowers are typically pendulous, corollas split to the base into five (sometimes four) elongate lobes forming a “kite” outline; anthers dehisce via pores or short slits; fruits are berries with viscid pulp adapted for adhesion to branches after passage through birds.

Species richness concentrates in eastern and southern Africa, with multiple regional endemics on Madagascar and in the Somalia–Masai and Zimbabwe–Kalahari phytochoria; one species extends to the Arabian Peninsula. Habitats span sea level to mid-elevations in forest, woodland, and dry bushland. Birds (sunbirds and white-eyes) are primary pollinators and seed dispersers, with fruits deposited on branches by feeding birds, facilitating seed adhesion (Polhill & Wiens, 1998).

Taxonomically, the genus has long been closely allied to Tapinanthus, a group frequently recognized as separate in regional treatments; recent suprageneric analyses place Agelanthus in the tribe Psittacantheae, resolved in a clade of Old World Loranthaceae (Vidal-Russell & Nickrent, 2008). Modern regional floristics and global checklists increasingly adopt a broad Agelanthus concept that subsumes Tapinanthus, although some authors continue to treat them as distinct; the scope adopted here follows WFO/POwo consensus (2024) with Polhill & Wiens (1998) as the baseline.

Non-medicinal uses are limited; A. natalitius is occasionally cultivated in southern Africa as an ornamental on host trees (Polhill & Wiens, 1998).

Conservation attention is low, but host-specificity and forest loss may threaten narrow endemics. Better resolved phylogeny and standardized taxonomy will clarify species limits and inform conservation planning.

Pick a Species to see its components: