ORNAMENTAL PLANTS OF HORTICULTURE VALUE
Selection of perennials
|Rhinopetalum Fisch. ex Alexand.
This genus was split from the genus Fritillaria and the
species are retained in Fritillaria by many botanists.
There are 4 species in the FSU.
R. bucharicum (Regel) Losinsk. (Fritillaria
Central Asia (Pamiro Alay). On slopes, along streams.
Bulb 1-2 cm diam. Leafy stem 15-30 cm. Leaves broadly-ovate or
lanceolate. Flowers 5-8 in raceme, white, at base green or pale
violet. V - early spring to mid summer. Fl - March in the wild
(April in St. Petersburg). Fr - July. P - by seed, daughter bulb
and scales. Requires sunny position, can grow in partial shade.
Well-drained soil with enough water during the vegetative period.
Suited to the rock garden. Z 6 (5). New.
R. karelinii Fisch. ex D. Don (Fritillaria
Central Asia (western regions, Balkhash and mountains of Turkmenia).
Steppe, sandy soil, slopes.
Bulb 1.5-2.5 cm diam. Leafy stem 10-20 cm. Leaves oblong-lanceolate,
narrowed toward the both ends. Lower leaves 5 x 1.5 cm, upper smaller.
Flowers 5-8, in a terminal raceme, nodding. Perianth segments pink-violet
with dark spot at base, checkered in middle part. V - early spring to
mid summer. Fl - March in the wild (April, May in St. Petersburg). Fr -
July. P - by seed and daughter bulbs. Requires a sunny position and
well-drained soil. Very well suited to the rock garden. Z 5 (4). New.
R. stenantherum Regel (Fritillaria stenanthera
Central Asia (Pamiro Alay, Tien Shan, Syr-Darya). On rocky slopes,
on loam and gravelly places.
Bulb small, about 1 cm diam. Stem leafy, 7-20 cm. Lower leaves
broad, upper leaves narrow. Flowers 1-8 in terminal raceme, pale
pink-violet. V - early spring to mid summer. Fl - March-April. Fr -
June-July. P - by seed. Requires well-drained soil. Good for the
rock garden. Z 6 (5). New.
The next species is also of garden interest, but has not been tested.
R. gibbosum (Boiss.) Losinsk. et Vved. (Fritillaria
Caucasus (south Transcaucasus), Central Asia (mountains of Turkmenia)
and southwestern Asia. On dry sandy soil and clay slopes.
Bulb small. Stem leafy, 15-20 cm. Flowers 2-8 in raceme, 2 cm long,
pink. V - in the wild early spring to mid summer. Fl - March. Fr -
mid summer. P - by seed. Can be recommended for spring decoration.
Z 6 (5). New.