Presence in France. See link below.
Height. 20cm - 60cm
Leaves. Basal leaves narrow oblong with purple blotches, rarely without blotches, several sheathing leaves in the lower half which appear in winter.
Flowers. Purple, rarely pinkish or white, the lateral sepals spreading upwards, upper sepals and petals forming a hood.Usually some spots in the whitish middle. 3 lobed.
Flowering period. April - July
Soil type. Calcareous or acid, usually alkaline substrata. Full sun or partial shade.
Protection. Liste des espèces végétales protégées en région Nord-Pas-de-Calais : Article 1
