Hypericum triquetrifolium, Turra

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1981, Flora Europaea. Volume 2. Rosaceae to Umbelliferae, Cambridge University Press : 269

55. H. triquetrifolium Turra , Farset. Nov. Gen. 12 (1765)

( H. crispum L. ).

Stems 13-55 cm, erect or decumbent, 2-lined, with divaricate branches. Leaves 3-15(-20) mm, lanceolate-triangular or rarely ovate-triangular to linear-oblong, amplexicaul, usually without reticulate venation, sometimes with medium to small translucent dots; margin undulate. Sepals oblong to ovateoblong, obtuse or apiculate, entire or denticulate, without black dots. Petals without black dots or rarely with one intramarginal dot. Capsule with longitudinal vittae or vesicles. Dry, stony or sandy places. E. part o f Mediterranean region, extending westwards to Sicilia; naturalized further west. Al Cr G r It Si Tu [BI Hs].