Description from Flora of China
Angelica japonica var. hirsutiflora (S. L. Liu, C. Y. Chao & T. I. Chuang) T. Yamazaki.
Plants perennial, 1–2 m, stout. Root thick, tuberous. Stem 3–6 cm thick. Basal and lower petiole sheaths inflated; blade triangular-ovate, 50–100 cm, ternate-pinnate; leaflets broad-ovate, 15–20 × 10–15 cm, base cordate or rounded, margin obtuse-serrate, apex obtuse, pubescent along nerves on both surfaces. Umbels large, densely pubescent; peduncles 5–15 cm, stout; bracts 1–2 or absent; rays 20–30, 4–7 cm, subequal; bracteoles several, linear-lanceolate, apex acute, pubescent; pedicels 0.5–1 cm, ascending. Calyx teeth obsolete. Petals white, ovate, hirsute abaxially; stamens ca. 2 × petals; stylopodium short-conic. Ovary hispid. Fruit oblong, 6–8 × 4–6 mm, pubescent; dorsal ribs obtuse-prominent, the lateral thickly broad-winged; vittae 2–3 in each furrow, 7–8 on commissure. Fl. and fr. Jul–Sep.
Coastal areas; below 100 m. Taiwan.