Impatiens tomentella Hook. fil.

Plants annual, 20-40 cm tall. Stem erect or ascending, succulent, often naked in lower part, with many fibrous roots, branched or simple; stem, branches, and young leaves densely yellow-brown tomentulose, ± glabrous. Leaves alternate, usually crowded in upper part of stem, sessile or shortly petiolate; petiole 1-1.5 cm, stout, densely brown tomentulose; leaf blade gray-green abaxially, dark green adaxially, ovate or oblong-lanceolate, 6-12 × 2.5-3.5 cm, often with 1 pair of glands and a few pairs of stipitate glands at base, abaxially brown tomentulose on veins, adaxially adpressed yellow-brown pilose, lateral veins 6-9 pairs, abaxially stout and conspicuous, base cuneate, margin crenate-serrate, teeth mucronulate, apex acuminate. Inflorescences in upper leaf axils, 2-flowered; peduncles shorter than leaves, 2.5-3 cm, densely tomentulose. Pedicels 1-1.5 cm, slender, bracteate below middle; bracts persistent, lanceolate, 3-5 mm. Flowers orange-yellow, 1.5-2 cm deep. Lateral sepals 2, ovate, 3-4 mm, denticulate, apex acuminate. Lower sepal funnelform, sparsely pubescent, gradually narrowed into an incurved spur; spur ca. 1.5 cm, slender; mouth oblique, ca. 8 mm wide, tip obtuse. Upper petal subreniform, ca. 8 mm wide, abaxial midvein thickened, cristate; lateral united petals not clawed, short, 2-lobed; basal lobes broadly cuneate; distal lobes lunar, apex rounded; auricle conspicuous. Filaments linear; anthers very small, obtuse. Ovary fusiform, 2-3 mm. Capsule linear, ca. 2 cm. Seeds few, brown, oblong, ca. 4 mm. Fl. Jul-Aug.

N Yunnan (Gongshan, Qiaojia).

● Evergreen forests, shaded moist places; 1400-1800 m.

Impatiens tomentella adalah spesies tumbuhan yang tergolong ke dalam famili Balsaminaceae. Spesies ini juga merupakan bagian dari ordo Ericales. Spesies Impatiens tomentella sendiri merupakan bagian dari genus Impatiens. Nama ilmiah dari spesies ini pertama kali diterbitkan oleh Hook.f..

Impatiens tomentella là một loài thực vật có hoa trong họ Bóng nước. Loài này được Hook. f. mô tả khoa học đầu tiên năm 1908.

微绒毛凤仙花（学名：Impatiens tomentella）是凤仙花科凤仙花属的植物，为中国的特有植物。分布于中国大陆的云南等地，生长于海拔1,400米至1,800米的地区，常生于山坡常绿阔叶林下阴湿处，目前尚未由人工引种栽培。