Linum marginale
Styles united above the middle. Capsules not or scarcely exceeding the calyx. Leaves linear-lanceolate, 5–20 mm long. Flowers in loose terminal corymbs. Petals 8–12 mm long, deciduous. Glabrous, perennial herb with slender erect stems. Widespread. Grasslands and open forests on WS. Fl. spring. Native Flax