Abstract

JIMENEZ-RAMIREZ, Jaime  and  SOTO-NUNEZ, José Carmen. Annona contrerasii (Annonaceae), a new species from the state of Guerrero, Mexico. Act. Bot. Mex [online]. 2015, n.112, pp.37-43. ISSN 2448-7589.

Annona contrerasii of section Helogenia Saff. (Annonaceae), a new species from the state of Guerrero, Mexico, is described and illustrated. The new taxon is similar to Annona crotonifolia Mart. from South America, from which if differs by representing larger shrubs to trees, and having narrower leaves with a larger number of secondary veins, shorter petioles, simple trichomes, trulate and smaller sepals, rhombic inner petals, smaller stamens, glabrous pistils and larger fruits.

Keywords : Annona; Annonaceae; Guerrero; Helogenia; Mexico.