ORNAMENTAL PLANTS OF HORTICULTURE VALUE
Selection of perennials
Petilium, crown imperial
This genus was split from the genus Fritillaria mainly on
the basis of its bulb structure, and the species are retained in
Fritillaria by many botanists. There are 2 species in the
P. eduardii (Regel) Vved. (Fritillaria eduardii
Central Asia (Pamiro Alay). In subalpine meadows, in grassy places
Bulb 6-8 (-10) cm diam. Stem leafy 50-120 (-140) cm. Leaves in
whorls, lanceolate, 12-24 cm x 5-9 cm, bright green, numerous (35-50).
Bracts numerous, above the flowers. Flowers 5-20, in crowded umbel-like
inflorescsnce, broadly bell-shaped, orange, dark yellow, carmine-red,
large, 6 cm long. V - early spring to mid summer, in St. Petersburg
April-July. Fl - April, May. Fr - June-July. P - by division
(daughter bulbs) and by seed, flowers in 5-6 years after sowing.
Requires full sun and well-drained soil. Very attractive. Well
suited for flower beds. Z 4. New.
P. raddeanum (Regel) Vved. (Fritillaria raddeana
Central Asia (Kopet-Dag) and northwestern Iran. Rocky screes, stony
slopes, often among shrubs.
Stems 50-70 (-100) cm. Bulb broadly ovate, 6 cm diam. Leaves
numerous, alternate or in whorls on lower or middle parts of shoot.
Leaves nearly 10 cm long, 3.5 cm broad. Flowers pale yellow, sometimes
greenish, 5 cm diam. Perianth broadly campanulate. Flowers 3-6 (12)
in umbel-like inflorescence. V - April to July. Fl - April-May. Fr -
June-July. P - by daughter bulbs and seed. Prefers sunny locations
and well-drained soil. Z 4.