Impatiens tienchuanensis Y. L. Chen

Plants annual, flaccid, to 90 cm or more. Stem prostrate or procumbent, with few fibrous roots at nodes, many branched. Leaves alternate; petiole 5-10 mm, slender; leaf blade ovate or ovate-lanceolate, rarely ovate-orbicular, (1-)1.5-3 × 0.8-1.8 cm, membranous, often with 1 or 2 pairs of fibrous-stipitate glands at basal margin, abaxially sparsely pilose on veins, adaxially shiny, lateral veins 5 or 6 pairs, base gradually attenuate into petiole, margin crenate-serrulate, apex slightly acute or obtuse, mucronulate. Inflorescences in upper leaf axils, 1-flowered; peduncles often longer than leaves. Pedicels bracteate above middle; bracts persistent, linear-lanceolate, ca. 4 mm, pilose on midvein, apex long acuminate. Flowers purple, large, 3-4 cm deep. Lateral sepals 2, broadly ovate or ovate-orbicular, 4-5 × 3-3.5 mm, subleathery, sparsely pilose on midvein, 3-veined, base rounded or subcordate, apex reflexed, long mucronulate. Lower sepal purple striate, narrowly funnelform, limb ca. 1.5 cm deep, narrowed into a curved, 2-fid spur ca. as long as limb. Upper petal suborbicular, ca. 1.1 × 1.4 cm, margin undulate, apex retuse, abaxial midvein cristate apically; lateral united petals ± clawed, 1.4-1.5 cm, 2-lobed; basal lobes orbicular; distal lobes broadly dolabriform, ca. 2 × as long as basal lobes, apex rounded or obtuse; auricle inflexed. Filaments broadly linear; anthers acute. Ovary fusiform. Capsule linear, ca. 2.3 cm. Seeds 7 or 8, brown, subglobose, ca. 2 mm, smooth. Fl. Sep-Nov.

W Sichuan (Hanyuan, Tianquan).

● Shaded moist places on slopes, along roadsides; 1100-1200 m.

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

Impatiens tienchuanensis là một loài thực vật có hoa trong họ Bóng nước. Loài này được Y.L. Chen mô tả khoa học đầu tiên năm 1978.

天全凤仙花（学名：Impatiens tienchuanensis）是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等地，生长于海拔1,100米至1,200米的地区，见于山坡阴湿处以及路边，目前尚未由人工引种栽培。