Rollinia

Rollinia is a genus of phanerogamous plants in the family Annonaceae that has 104 species. They are native to Central and South America.

Description

They are shrubs and trees with membranaceous to chartaceous leaves, the main nerve imprinted on the upper surface; grooved petioles. Solitary flowers or inflorescences with few flowers, opposite to the axils or internodal, pedicels embraced by a basal bract and generally with another additional bract arranged towards the middle of the pedicel or just below the flower; sepals valvate; petals 6, valvate, connate at the base, the outer ones projecting like a spur or laterally compressed to form wings resembling a 3-horn helix, the inner ones reduced; stamens numerous, connective broadened into a truncate disk; carpels numerous, ovule 1, basal, erect. Fruit a fleshy syncarp, globose to ovoid; seeds flattened, ellipsoid-obovate, without aril.

Taxonomy

The genus was described by Augustin Saint-Hilaire and published in Flora Brasiliae Meridionalis (quarto ed.) 1: 23. 1824. The type species is: Rollinia dolabripetala (Raddi) R.E. Fr.

Species

Some have been transferred to other genera or are synonymous.