ORNAMENTAL PLANTS OF HORTICULTURE VALUE

Selection of perennials

Three species in the genus of which two occur in the flora of the FSU.

B. macrophylla (Adams) Johnst

Caucasus (western regions, Kakhetia). In forests and on mountain stony slopes, including subalpine zones.

Rootstock short. Flowering stem 40-50 cm. Basal leaves long-petiolate, dark green, ovate-cordate. Petiole 20-25 cm long, blade 20-30 cm long. Inflorescence a short, paniculate corymb. Flowers numerous, light blue, similar to those of forget-me-not. V - early spring to mid autumn. Fl - May for 3-4 weeks. Fr - (if any) July. P - by seed or division. Prefers semi-shade, but can grow in shade, or in full sun if the soil is always moist. Z 4.

B. sibirica Steven

West and East Siberia. In taiga, on forest margins and in meadows. These differs from previous species in smaller flowers and basal leaf blades. Z 4. Good for group planting and for the rock garden. New.