Convolvulus ammanii Desr. - a bind-weed species with non-winding stems, it grows in detritous desert-like habitats in the mountains of Central Asia and Siberia.

A highland cryophyte desert of a Mongolian type in an intermontane hollow called Chuiskaya Step' at the village Kosh- Agach, Altai Republic, West Siberia, Russia. 9th July 1998. O. Kosterin