40-100 cm. В гори и храсталаци.
. 50 .. 700 m. IV-V. [VI-VIII].
.
Преглациален реликт.
HD 92/43: 91M0, 91S0
RDB: 12G1, 17G1
EUNIS: G1.6E11, G1.6E121, G1.6E122, G1.76A41
PAL.CLASS.: 41.76, 41.76A41, 41.E1, 41.1E11, 41.1E121, 41.1E122
Bondev: 79, 82, 83, 84, 85