• Scientific Name: Synurus deltoides (Aiton) Nakai
• Ref: Koryo Shikenrin Ippan 64. 1932
• Synonyms: Carduus atriplicifolius Fisch. ex Trevir., Centaurea atriplicifolia Matsum., Cirsium ficifolium Fisch., Onopordum deltoides Aiton, Rhaponticum atriplicifolium DC., Serratula atriplicifolia Benth. & Hook.f., S. atriplicifolia var. excelsa Makino, S. deltoides Makino, S. palmatopinnatifida (Makino) Kitam., Silybum atriplicifolium Fisch., Synurus atriplicifolius Iljin, S. hondae Kitag., S. palmatopinnatifidus (Makino) Kitam.
• Chinese Common Name: 山牛蒡 shān∙niúbàng
• Japanese Common Name: ダフリアヤマボクチ [ダフリア山火口] dafuriayamabokuchi
• Family: Asteraceae
• Genus: Synurus
• Distribution: Forest margins, forests, meadows; 500-2200 m. Anhui, Chongqing, S Gansu, Hebei, Heilongjiang, Henan, Hubei, N Hunan, Jiangxi, Jilin, Liaoning, Nei Mongol, Shaanxi, E Shandong, S Shanxi, NE Yunnan, Zhejiang [Japan, Korea, Mongolia, Russia].
• Photo: 07/22/2010, Mt. Changbai, Jilin

Herbs 0.7-1.5 m tall. Rootstock stout. Stem solitary, stout, erect, ribbed, branched or unbranched, basally densely felted to glabrescent or glabrous. Leaves abaxially grayish white and densely felted, adaxially green, asperous, and setulose. Basal and lower cauline leaves with narrowly winged petiole to 34 cm; leaf blade cordate, ovate, broadly ovate, ovate-triangular, or hastate, 10-26 × 12-20 cm, base cordate, sagittate, or truncate. Upper cauline leaves gradually smaller upward, sessile or shortly petiolate, ovate, elliptic, or elliptic-lanceolate, margin toothed to spiny. Capitula several. Involucre 3-6 cm in diam., densely and fluffily cobwebby to glabrous. Phyllaries in 13-15 rows; outer and middle phyllaries lanceolate, 7-23 × 3-4 mm, patent to reflexed; inner phyllaries longest, linear-lanceolate, 2.3-2.5 × ca. 0.2 cm, sometimes purple. Corolla ca. 2.5 cm, tube ca. 9 mm. Achene brown, narrowly ellipsoid, ca. 7 mm, apex truncate. Pappus bristles brown, 1.5-2 cm. Fl. and fr. Jun-Oct. 2n = 26. (Flora of China)

08/14/2010, Qingliang Peak, Zhejiang