Tongoloa dunnii (H. Boiss.) H. Wolff

This distinctive but poorly known species is recorded only from a few collections. It has reputed medicinal value (in Xizang).

Plants 50–70 cm. Taproot brown, short. Stem several-branched. Lower petioles 7–18 cm, sheaths oblong, 1.3–3 cm, membranous and clasping; blade broadly triangular, 2–3-pinnate; pinnae 4–5 pairs, short-petiolulate; ultimate segments elongate-linear, 2–4.5 cm × 1.5–3 mm, entire. Umbels 5–10 cm across; bracts and bracteoles absent; rays 7–17, 3–6 cm; umbellules 10–25-flowered. Calyx teeth minute, ovate or triangular-ovate. Petals long-elliptic to obovate, white or greenish, 1.2–2 × ca. 1 mm, apex obtuse-acute. Young fruit broad-ovoid to cordate, ca. 1.5 mm (mature fruit unknown). Fl. Jun.

Hubei, Sichuan, SE Xizang.

Forests; 2000–4000 m.

Tongoloa dunnii là một loài thực vật có hoa trong họ Hoa tán. Loài này được (H. Boissieu) H. Wolff miêu tả khoa học đầu tiên năm 1927.

宜昌东俄芹（学名：Tongoloa dunnii）是伞形科东俄芹属的植物，为中国的特有植物。分布在中国大陆的湖北、四川等地，生长于海拔2,000米至3,500米的地区，多生长在山坡林下，目前尚未由人工引种栽培。