Botanical name: Polygonum sibiricum var. thomsonii Family: Polygonaceae (Knotweed family)
Synonyms: Knorringia pamirica, Knorringia sibirica subsp. thomsonii, Polygonum pamiricum
Pamir Knotweed is a perennial herb with stems short, 2-5 cm tall. Leaves are linear, narrow, 3-10 cm long, 1.5-2.5 mm wide. Inflorescences are small, greenish white. Pamir Knotweed is found in wet places near saline lakes, saline areas by rivers in Afghanistan, Kashmir, Kyrgyzstan, Nepal, Pakistan, Russia, Tajikistan, at altitudes of 3200-5100 m. Flowering: June-September.
Identification credit: Prashant Awale, Gurcharan Singh
The flower labeled Pamir Knotweed is ...