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ORNAMENTAL PLANTS OF HORTICULTURE VALUE

Selection of perennials

Clementsia Rose
Clementsia
Crassulaceae

Two species, one in Central Asia, the other, C. rhodantha (Gray) Rose, in the Rocky Mountains, North America. A split from the genus Rhodiola L., itself a split from the genus Sedum L.

C. semenovii (Regel et Herd.) Boriss.

Central Asia (Tien Shan, Pamiro Alay). On humid stony soil in alpine and subalpine zones.

Plants with tuber-like taproot. Flowering leafy shoots 30-60 cm. Leaves 1-4 cm long, linear, entire or rarely dentate. Inflorescence a long, spike-like or nearly capitate (up to 10 cm), compact raceme. Flowers white or pink, with red anthers. V - early spring to mid autumn (in St. Petersburg April to October). Fl - June. Fr - July. Can flower again in autumn (often in September). P - by seed or division. Grows well in sunny places and in shade, with moist soil. Good for the rock garden, plant grouping and the wild garden. Z 4.

SELECTION OF PERENNIALS
 
 
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