Sonchus brachyotus
Sonchus brachyotus DC.
Sonchus brachyotus is a perennial herb in the Asteraceae family, native to northern and eastern Asia. It is found in Japan, Korea, China, Russia, Mongolia, Thailand, and Kyrgyzstan. The plant features erect stems, basal and cauline leaves, and orange-yellow ligulate flowers in heads. It blooms from August to October.
Description
Sonchus brachyotus is a perennial herb with long creeping rhizomes. Stems are erect, 30–100 cm tall, glabrous. Leaves are radical and cauline, with lower cauline leaves oblong-lanceolate to narrowly oblong, 10–20 cm long, and upper leaves smaller and scattered. The plant produces few heads in a pseudo-umbel, 4–5 cm wide, with ovate bracteoles and an ovoid involucre. Flowers are orange yellow, ligulate, with a ligule 21–24 mm long and a tube 13–14 mm long. Achenes are narrowly oblong, with a pappus of fine white bristles. It flowers from August to October.
Distribution
Primorye · Sakhalin · Amur · Shikoku · Kyushu · Honshu · Shandong · Nei Mongol · Kirgizistan · Hokkaido · Kuril Is. · Mongolia · North Korea · Hebei · Shanxi · Thailand · Shaanxi · South Korea · Jilin · Heilongjiang · Tibet · RU · Assam · China North-Central · China South-Central · China Southeast · East Himalaya · India · Inner Mongolia · Japan
Synonyms
Sonchus chinensisSonchus faurieiSonchus shzucinianusSonchus arenicolaSonchus chinensisSonchus arvensis var. laevipesSonchus taquetiiSonchus cavalerieiSonchus arvensis subsp. brachyotusSonchus arvensis subsp. arenicolaSonchus arvensis f. brachyotusSonchus brachyotus var. potaninii
