Sorbus dunnii Rehd.

Trees small, 2–7 m tall. Branchlets brownish purple when young, brown or grayish brown when old, terete, yellow pubescent when young, glabrate, minutely lenticellate; buds ovoid, 5–8(–10) mm, apex acuminate; scales several, brown, glabrous. Leaves simple; petiole 1.5–2.5 cm, brown tomentose, gradually glabrescent; leaf blade elliptic or oblong, 6–10(–15) × 3–5(–8) cm, lateral veins (10–)14–18 pairs, terminating in marginal teeth, abaxially densely yellowish white tomentose and brown tomentose along veins, adaxially glabrous but brown tomentose along veins, base broadly cuneate, margin irregularly serrate, apex acute or shortly acuminate. Compound corymbs much branched in distal part, 4–7 × 5–7 cm, densely flowered; rachis and pedicels rusty brown tomentose, gradually glabrescent, with many small lenticels. Pedicel 3–6 mm. Flowers 7–10 mm. Hypanthium turbinate, abaxially densely rusty brown tomentose. Sepals triangular-ovate, 1.5–2 mm, apex acute. Petals white, broadly ovate, 3–4 mm, glabrous, base shortly clawed, apex ± acute. Stamens 20, unequal in length, longer ones longer than petals. Styles 2, connate at base, glabrous. Fruit red, subglobose, 5–8 mm in diam., 2-loculed, without or with few small lenticels; seeds blackish, lanceolate-obovate, 3–4 mm. Fl. Apr–May, fr. Aug–Sep.

SE Anhui, NW Fujian, NE Guangxi, SE Guizhou, NW Yunnan, W Zhejiang.

Sparse woods on slopes, shrubby thickets in valleys; 600--3000 m.

Aria dunnii (Rehder) H. Ohashi & H. Iketani.

Sorbus dunnii là loài thực vật có hoa trong họ Hoa hồng. Loài này được Rehder miêu tả khoa học đầu tiên năm 1915.

棕脉花楸（学名：Sorbus dunnii）为蔷薇科花楸属的植物，是中国的特有植物。分布在中国大陆的安徽、贵州、福建、广西、浙江、云南等地，生长于海拔600米至1,200米的地区，多生长于山坡疏林中，目前尚未由人工引种栽培。