BOTANY WITH THE BASICS OF HYDROBOTANY (AQUATIC PLANTS OF UKRAINE) - B.Ye. Yakubenko - 2011

X. SEED PLANTS

Order Cyperales

Perennial, rarely annual herbs, with stems mostly triquetrous. Leaves alternate, often three-ranked, linear, sheathed, with closed sheaths. Flowers small, often lacking a perianth, arranged in compound inflorescences, the basic unit being a simple spike. Flowers mostly unisexual, rarely bisexual; stamens three; gynoecium of three fused carpels. Fruit is a nutlet, rarely drupe-like.

The order includes only one family - Cyperaceae.

Last update: 07/08/2026

Editorial and Educational Adaptation: This material has been compiled based on the primary/original source text. The project team performed an editorial review, corrected technical inaccuracies, structured sections, and adapted the content for an educational format.

What was processed:

elimination of formatting defects (OCR errors, structural breaks, corrupted characters);
editorial organization of content;
standardization of terminology in accordance with academic sources;
verification of factual statements against the original source text.

All mentions of the author, publication year, and origin of the primary text have been preserved in accordance with the source.