Botanical name: Cerastium davuricum Family: Caryophyllaceae (Carnation family)
Synonyms: Cerastium amplexicaule, Cerastium dahuricum, Dichodon dahuricum
Siberian Chickweed is a perennial herb with erect, hairless, weak stems, up to 1 m long. Stems are channeled or sparsely hairy below, scarcely branching. Leaves are 2.5-7 cm long, 0.7-3.2 cm wide, ovate to ovate-lanceshaped, hairless, tip somewhat pointed, and base stem-clasping. Bracts are similar to leaves but smaller. Flowers are borne in a lax cyme. Flower-stalks are much longer than the sepals, slender. Sepals 8-10 mm, lanceshaped-elliptic, membranous, sometimes with thin hyaline margins. Petals are white, 1.2-1.3 cm, bind, claw hairy. Styles 5. Capsule twice as long as the sepal cup, membranous, teeth 10, revolute at tip. Seeds are about 1.5 mm, covered with tubercles. Siberian Chickweed is found in N. Europe, Turkey, Iran, Caucasus, Siberia, Pakistan and Kashmir, at altitudes of 1000-2400 m. Flowering: July.
Identification credit: Gurcharan Singh
The flower labeled Siberian Chickweed is ...