Botanical name: Pseudognaphalium affine Family: Asteraceae (Sunflower family)
Synonyms: Gnaphalium affine, Helichrysum affine, Gnaphalium javanicum
Cotton Weed is an annual plant of cultivated areas, with several erect and often tufted woolly stems, 10-30 cm high. Leaves are oblong-spoon-shaped, grey- or white-felted. Flowers heads are bright glistening yellow, globular, 3 mm across, dense, rounded, solitary or branched clusters. The outer disk-florets are female, white the inner ones are bisexual. The bracts below the flowers are oblong, shining yellow and papery. Cotton Weed is one of "the seven spring herbs" of Japan. Cotton Weed is found at altitudes of 1200-3000 m. Flowering time February-October.
Medicinal uses: Cotton weed is a medicinal and edible plant used to treat cough, asthma, and COPD for a long time in Chinese folk medicine.
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