Claim: Sorbus sargentiana is a deciduous tree native to China with dark grey bark and large leaves.
Evidence: It is a small to medium-sized deciduous tree growing to 6–16 m (20–52 ft) tall, with a trunk up to 50 cm (20 in) in diameter, and a rounded crown. The bark is dark grey, and the shoots very stout, with large (1–2 cm), dark red, sticky resinous winter buds. The leaves are the largest of any rowan, dark green with impressed veining above, glaucous beneath, 20–35 cm (8–14 in) long and 15–20 cm (6–8 in) broad, with persistent 1 cm broad stipules. Sorbus sargentiana (Sargent's rowan; Chinese: 晚绣花楸; pinyin: wan xiu hua qiu) is a species of flowering plant in the family Rosaceae, native to southwestern Sichuan and northern Yunnan in China, where it grows at altitudes of 2,000–3,200 m (6,560–10,500 ft).