Impatiens desmantha Hook. fil.

Plants 30-70 cm tall, glabrous. Stem erect, swollen in lower part, branched in upper part. Leaves alternate; petiole 1-2 cm; leaf blade whitish abaxially, dark green adaxially, ovate, 4-8 × 2-3 cm, setose between teeth, lateral veins 5 or 6 pairs, base cuneate, attenuate into petiole, margin crenate or crenulate, apex acuminate. Inflorescences many, usually crowded at apices of branches, corymbose, 3-10-flowered; peduncles erect, 2-4 cm, very slender. Pedicels 5-15 mm, elongate at fruiting, bracteate at base; bracts caducous, ovate-lanceolate or setose spreading. Flowers yellow, small, ca. 5 mm wide. Lateral sepals 2, falcate-ovate, ca. 4 mm, 3-veined, apex obtuse or slightly acute. Lower sepal navicular, limb 7-8 mm deep, base gradually narrowed into an incurved spur 2-2.5 cm; mouth suboblique, tip acute. Upper petal orbicular, ca. 8 mm in diam., abaxial midvein narrowly cristate, cuspidate, apex retuse; lateral united petals not clawed, 1-4 cm, 2-lobed; basal lobes orbicular; distal lobes dolabriform or lunar, ca. 2 × as long as basal lobes, apex obtuse; auricle inflexed, small, narrow. Filaments linear; anthers small, apex acute. Seeds few, obovoid, ca. 4 mm, smooth. Fl. Aug-Sep.

Yunnan.

● Understories of Abies forests, shaded moist places in valleys; 2800-4000 m.

Impatiens valbrayana H. Léveillé.

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

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

束花凤仙花（学名：Impatiens desmantha）是凤仙花科凤仙花属的植物，为中国的特有植物。分布在中国大陆的云南等地，生长于海拔2,800米至4,000米的地区，见于冷杉林下或山谷阴湿处，目前尚未由人工引种栽培。