Impatiens infirma Hook. fil.

Plants annual, 30-60 cm tall, glabrous. Stem erect, branched. Leaves alternate; petiole 2-3 cm; leaf blade ovate or ovate-lanceolate, 3-13 × 1.5-3 cm, thinly membranous, both surfaces glabrous and same in color, lateral veins 6-8 pairs, base cuneate, margin crenate, teeth mucronulate, apex acuminate or long acuminate. Inflorescences in upper leaf axils, corymbose or racemose, few- to more than 10-flowered; peduncles 5-7 cm. Pedicels 1-1.5 mm, slender; bracts persistent, ovate-lanceolate. Flowers yellow, 1.5-2 cm deep. Lateral sepals 2, obliquely ovate or falcate, ca. 3 mm, 3-6-veined. Lower sepal navicular, narrowed into an incurved or involute spur; spur long, to 2 cm. Upper petal obovate-orbicular, cup-shaped, abaxial midvein obtusely cristate; lateral united petals ± clawed, 2-lobed; basal lobes broadly orbicular; distal lobes dolabriform; auricle inflexed. Anthers obtuse. Capsule narrowly fusiform, 1.5-2 cm. Seeds obovoid, tuberculate. Fl. Jul-Sep.

Sichuan, Xizang.

● Forests in valleys, along canals; 3100-3600 m.

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

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

脆弱凤仙花（学名：Impatiens infirma）为凤仙花科凤仙花属的植物，是中国的特有植物。分布在中国大陆的四川、西藏等地，生长于海拔3,100米至3,600米的地区，多生于水沟边以及山谷林下，目前尚未由人工引种栽培。