Zmeegolovnik Ruysha

Perennial herb with branched rhizome. Stems few, they are erect, 20-60 cm tall, with short shoots in the axils of the leaves. Leaves are lance-linear or linear, entire, with revolute margins, sessile, dark green, shiny, beneath lighter, strike glands. The flowers are large, with bright blue corolla 2-2.8 cm long, clustered in whorls, which are close to each other at the ends of the stems in a dense spike-like inflorescences. Bracts lanceolate, acuminate, ciliate on the edges. Calyx 8-1 1 mm long, short-haired, clear bilabiate, with sharp teeth, middle tooth of the upper lip 1.5-2 times wider than lanceolate teeth, the teeth at the base of a well-marked on the outside of the fold; calyx with sharply protruding transverse veins. Corolla 2-3 times longer than the calyx, short pubescence. The upper lip is notched on the edge of the long-noresnitchataya, middle lobe of lower lip reverse nopochkovidnaya, side-ovate, much shorter. The fruits are black, egg-shaped, up to 2.5 mm, it is not clear triangular. Blooms in June and July, the fruits ripen in July-avguste.Vid wide Eurasian habitat, stretching from Scandinavia and Central Europe to Manchuria. In our country grows in the European part, the Caucasus and Siberia. In Central Russia is found in all areas, in non-chernozem zone rare, more common to the south.

It grows in open forests, forest edges, clearings, thickets, open limestone slopes. Svetolyubiv prefers sandy and calcareous soils. Always grows sparsely, cutting into the number with the development of a dense sward of tall plants. Propagated by seeds, settling in places with not closed grass.

Essential plant.

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