Syn.: Tacsonia trifoliata Juss., Tacsonia trigona Ruiz et Pav. ex DC.
Family: Passifloraceae Juss.
Distribution: Endemic species of the Peruvian Andes, occurs in Central and Southeastern Peruvian regions of Ancash, Ayacucho, Cuzco, Huánuco, Junín, Pasco and Lima.
Ecology: Grows in cloudy forests, in bushes, on rocky slopes, at elevations from 2500 to 4500 m.
Description: A stout vine, densely short villous throughout; stipules oblong-lanceolate, 1.5–3 cm long, leaves alternate, petiolate, trifoliate, the leaflets are lanceolate to linear, 3–5 cm long and 1.5–2.5 cm wide, entire. The peduncles are up to 9 cm long, bracts free to the base, ovate, 2–3.5 cm long, fimbriate, the calyx tube is cylindric, 3–4 cm long, green to purple, sepals ovate, 2–3 cm long, deep pink, petals narrowly ovate. The fruit is ovoid, 4–6 cm long.
These images were taken in Peru, Laguna Llanganuco (Jindřiška Vančurová, 17. 8. 2006, and Ljuba Procházková, 14. 10. 2013).
