ORNAMENTAL PLANTS OF HORTICULTURE VALUE
Selection of perennials
Pulsatilla Hill
Pasque flower |
Ranunculaceae |
About 12-30 species, depending on taxonomic treatment. Some
authorities refer these species to the genus Anemone.
In the FSU about 35 native species. The distribution area of
the genus is the temperate regions of Eurasia. Many species
are in cultivation. P. patens (L.) Mill. and P.
aurea (Sommier et Levier) Juz. are well-known.
P. ajanensis Regel et Til.
Far East (coastal area along the Sea of Okhotsk). Mountain
meadows, forest margins.
Plant 5-15 (-20) cm. Taproot deep and often split at the
top. Leaves, stems and calyx with long, dense yellow hairs.
Leaves petiolate, pinnately dissected. Involucral leaves
2-3-ternate, with narrow linear lobes. Flowers erect,
cup-shaped, 3-3.5 cm long, blue or light violet. V - early
spring to late autumn. Fl - May (St. Petersburg). Fr - June.
P - by seed. Z 4 (3). New.
P. ambigua (Turcz. ex Hayek) Juz.
Siberia (southwestern regions), Mongolia and China. Sandy
places, rocky mountain slopes.
Plant 20-30 cm. Taproot and verical rhizome stout. Leaves
pinnately compound, 20-30 cm x 5-10 cm. Flowers blue-violet
(rarely pink), nodding and flat spread at the beginning of
flowering, erect and bell-like later. V - early spring to
autumn. Fl - mid spring (in St. Petersburg May). Fr -
June-July. P - by seed. Tolerates partial shade. Z 4. New.
P. tatewakii Kudo is very similar to P.
ajanensis
It occurs in the Far East (Sakhalin).
Plant 15-25 cm, with bright violet flowers 3.5 - 5.5 cm.
New.
P. taurica Juz.
Crimea. Dry grassy places, open mountain slopes, rocky
places, cliffs.
Plant 25-35 cm when in flower. Taproot and rhizome stout.
Basal leaves pinnately compound, broadly ovate or
elongate-ovate, 20-25 cm x 5-10 cm. Flowers large, dark
violet, densely pubescent. V - early spring to mid autumn,
in St. Petersburg May-June. Fr - June-July. Propagation
by seed. Grows in full sun and in partial shade. Z 5 (4).
New.
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