Pulsatilla

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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Pulsatilla

 

a genus of perennial herbs of the family Ranunculaceae. The radical leaves are petiolate and pinnately or palmately dissected; the cauline leaves are usually sessile, adnate at the base, and somewhat dissected. The flowers are solitary, rather large, and usually violet. The fruit contains achenes with long, plumose tails. There are approximately 35 species of Pulsatilla, distributed in the temperate, subtropical, and cold zones of the northern hemisphere. Approximately 30 species are found in the USSR. P. patens grows in the European USSR and Western Siberia, and P. pratensis is encountered in the western European USSR. Both species are found on dry slopes and sandy hills and in well-lit pine forests. All species of Pulsatilla are poisonous, since they contain the glycoside ranunculine. An extract from the leaves possesses strong bactericidal and fungicidal properties. Several species, including P. patens, P. vernalis, and P. albana, are raised as ornamentals.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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Pulsatilla vulgaris is often known as the Pasque flower, but I love another of its old names, Laughing Parsley.
The pasque flower, Pulsatilla grandis, is an excellent alpine and its grandest cousin is Pulsatilla vernalis, which comes from Russia.
Clematis belong to the buttercup family and other members such as pulsatillas, hellebores, anemones and trollius should all be sown as soon as the seed is ready.