Impatiens minimisepala Hook. fil.

Plants annual, 20-40 cm tall, glabrous. Stem erect, slender, simple, long naked basally, internodes 3-7 cm. Leaves alternate; petiole 0.3-1 cm; leaf blade gray-green abaxially, dark green adaxially, ovate-lanceolate, 3-5 × 2-2.5 cm, with 1(or 2) pair(s) of basal glands, lateral veins 4 or 5 pairs, curved, midvein and lateral veins conspicuous abaxially, base acute, attenuate into petiole, margin serrulate, teeth mucronulate, apex acuminate. Inflorescences in upper leaf axils, 2-flowered; peduncles erect, 1-1.5 cm, fibrous. Pedicels ca. 1 cm, elongate at fruiting, bracteate at middle; bracts persistent, very small. Flowers yellow, very small, ca. 1 cm deep. Lateral sepals 2, ovate, minute, shorter than 1 mm, thick, abaxial midvein thickly cristate, margin sparsely denticulate on one side, apex cuspidate. Lower sepal funnelform or cup-shaped, to 1 cm, gradually narrowed into an incurved spur ca. 2.5 cm; mouth vertical, ca. 5 mm wide, tip obtuse. Upper petal oblate, ca. 1 cm wide, abaxial midvein cristate; lateral united petals not clawed, short, 1.3-1.5 cm, 2-lobed; basal lobes orbicular, small; distal lobes reflexed, obovate-orbicular or lunar; auricle inflexed. Filaments very short; anthers obtuse. Ovary fusiform. Capsule not seen. Fl. Oct.

Yunnan (Yanjin).

● By streams on slopes, shaded moist places; ca. 1900 m.

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

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

微萼凤仙花（学名：Impatiens minimisepala）为凤仙花科凤仙花属下的一个种。