ORNAMENTAL PLANTS OF HORTICULTURE VALUE
Selection of perennials
About 18 species in the temperate regions of Northern
Hemisphere, of which 11 species in the FSU. Some of them
of wide distribution (S. officinalis L.), the others
located in small areas (S. taurica Juz.). S.
officinalis is a popular medicine plant in Russia.
S. tenuifolia Fisch. ex Link is often used as an
ornamental plant. Of especial interest is a newly described
species S. azovtsevii Krasnob. et Pschen.
S. azovtsevii Krasnob. et Pschen.
Siberia: Altay. On grassy slopes, in meadows, in forest
Stem 80-100 (-120) cm, rhizome short, roots numerous.
Leaves pinnate, glabrous. Basal leaves long-petiolate,
30-40 cm x 10-12 cm, stem leaves shorter, sessile. Leaflets
lanceolate-oblong, slightly heart-based, serrate-dentate.
Flowers very small red-purple, stigma fringed, black stamens
exserted. Inflorescence cylindrical, 4-7 cm long, 1-1.5 cm
wide, erect, sometimes pendent. V - early spring to late
autumn, some basal leaves overwinter. Fl - June to August
for one month and longer. Fr - since August. P - by division
and seed. Flower in two years. Tolerant different types of
soil, and shady place, diseases and insect resistant, grow for
many years once established. Good for group planting. Z 3.
Some natural hybrids and species of hybrid origin are found
in Siberia and the Far East. The plants grown from seeds
collected there show different varieties, including very
ornamental ones. Selections, that was made at Chicago Botanic
Garden result in some good specimens promising to the gardening.