Place of Publication
Index Sem. Hort. Petrop.: 57 (1858)
‘‘Chili, Philippi [s.n.]’’ (neotipo, designated by Marticorena p. 57 (2005), LE!)
Regel & Körnicke (1858)
Regel von, E.A. von and Körnicke, F.A. 1858. Index Seminum quae hortus botanicus imperialis petropolitanus promutua commutatione offert. Accedunt animadversiones botanicae nonnullae. St. Petersburg.
Marticorena, A 2006. Revisión del género Acaena (Rosaceae) en Chile. Annals of the Missouri Botanical Garden 93(3), 412-454.
Distribution and habitat
Compared with var. trifida this variety has a much more limited and somewhat disjunct distribution from the Province of Antofagasta where it occurs on Cerro Moreno, (sector de El Rincón), Paposo, and Chañaral, Aguada Grande to Las Condes in Region Metropolitana. It has an altitudinal range of between 200 to 1800 m and grows on steep slopes, in sandy places and in rock fissures (Marticorena, 2005)
- Marticorena (2006)
Flowering stems up to 18 cm tall. Fruiting from November to December.
There are two varieties of Acaena trifida endemic to Chile. This variety has all parts without any kind of hairs compared with var. trifida which is more-or-less hairy throughout and the cupules containing the fruit have silky hairs.