Impatiens trichosepala Y. L. Chen

Plants annual, small, 15-25 cm tall. Stem erect or ascending from base, succulent, simple, naked in lower part, with many fibrous roots, sparsely yellow-brown pubescent in upper part. Leaves alternate, often crowded at upper part of stem; petiole 1-2.5 cm, laxly or densely yellow-brown pubescent; leaf blade pale green abaxially, dark green adaxially, narrowly lanceolate or oblanceolate, 3.5-10 × 1-2 cm, with 2 or 3 pairs of setose glands at basal margin, abaxially yellow-brown pubescent or only veins pilose, adaxially adpressed strigose, lateral veins 7-9 pairs, base narrowly cuneate, margin crenate-serrate, teeth curved-mucronulate, apex acuminate or shortly caudate. Inflorescences in upper leaf axils; peduncles conspicuously shorter than leaves, 2.5-3.5 cm, sparsely pilose. Pedicels bracteate at base (but appearing as if at middle); bracts linear or linear-lanceolate, ciliate. Flower solitary, yellow, large, 4-4.5 cm deep. Lateral sepals 2, ovate or oblong-ovate, 1-1.2 cm × ca. 6 mm, with multicellular hairs abaxially and at margin, 5-veined, apex acute. Lower sepal broadly funnelform, ca. 2 cm deep, sparsely pilose, gradually narrowed into an incurved spur ca. 2.5 cm; mouth oblique, ca. 2 cm wide, tip acute. Upper petal cucullate, orbicular, ca. 1.2 cm in diam., sparsely multicellular pubescent, apex emarginate, mucronulate, abaxial midvein conspicuously carinate; lateral united petals shortly clawed or ± clawed, ca. 2.2 × 1-1.2 cm, 2-lobed; basal lobes suborbicular; distal lobes broadly dolabriform; auricle inflexed, lunar. Filaments linear, 5-6 mm, apex dilated; anthers ovoid, apex obtuse. Ovary fusiform, 4-5 mm. Capsule (immature) linear-cylindric. Fl. Jul-Sep.

Guangxi, Guizhou, Yunnan (Funing).

● Sparse forests in valleys, moist grasslands, riversides; 500-900 m.

Impatiens trichosepala adalah spesies tumbuhan yang tergolong ke dalam famili Balsaminaceae. Spesies ini juga merupakan bagian dari ordo Ericales. Spesies Impatiens trichosepala sendiri merupakan bagian dari genus Impatiens. Nama ilmiah dari spesies ini pertama kali diterbitkan oleh Y.L.Chen.

Impatiens trichosepala là một loài thực vật có hoa trong họ Bóng nước. Loài này được Y.L. Chen mô tả khoa học đầu tiên năm 1999.

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