Hemicyclic Flower

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 It might be outdated or ideologically biased.

Hemicyclic Flower

 

a flower, some parts of which are arranged in a spiral and others in circles that also make up a very compact spiral. In a hemicyclic flower the leaflets of the perianth are most often arranged in circles, and the stamens and’pistils are in a spiral. A hemicyclic flower is an indication of primitive plant structure; it is found primarily in plants of the most primitive families, such as the Magnoliaceae, the Ranunculaceae, and the Annonaceae.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.