Impatiens polyneura K. M. Liu

Plants annual, 40-70 cm tall, glabrous. Stem erect, yellow-green, often purple spotted, robust, succulent, simple, long naked in lower part. Leaves alternate, crowded at apex of stem; petiole 2.6-6 cm, purple spotted; leaf blade greenish abaxially, dark green adaxially, elliptic or oblong-elliptic, 9-18 × 5-7 cm, thickly membranous, lateral veins 16-21 pairs, base cuneate, with 2 sessile ovoid glands, margin serrulate, apex shortly acuminate. Inflorescences in upper leaf axils, 2-flowered, rarely l-flowered; peduncles short, ca. 3 mm. Pedicels 1-1.5 cm, elongate in fruit, slender, bracteate at base; bracts persistent, triangular-ovate, small, ca. 3 mm, membranous. Flowers purplish, 1.6-2.2 cm in diam. Lateral sepals 4, purple spotted; outer 2: broadly elliptic or suborbicular, 0.9-1.2 × 0.7-0.9 cm, 9-11-veined, margin entire, apex mucronulate; inner 2: lanceolate, 2.5-4 mm. Lower sepal purple spotted, broadly funnelform, 1.8-2.2 cm deep, narrowed into an incurved, 2-lobed spur ca. 6 mm; mouth oblique, ca. 1.7 cm wide, tip mucronulate. Upper petal obovate-oblong, 1.3-1.8 × 0.9-1.1 cm, apex retuse, abaxial midvein carinate; lateral united petals clawed, 2.2-2.8 cm, 2-lobed; basal lobes orbicular; distal lobes suborbicular, ca. 2.2 × 1 cm, apex emarginate, mucronulate. Filaments linear, ca. 1 mm; anthers ovoid, apex obtuse. Ovary fusiform, ca. 7 mm. Capsule fusiform, 2.2-2.5 cm, slightly curved, 4-angled. Seeds 7 or 8, brown, orbicular, ca. 3.8 mm, papillose. Fl. and fr. unknown.

Hunan (Zixing).

● Streamsides in valleys; ca. 400 m.

Impatiens polyneura adalah spesies tumbuhan yang tergolong ke dalam famili Balsaminaceae. Spesies ini juga merupakan bagian dari ordo Ericales. Spesies Impatiens polyneura sendiri merupakan bagian dari genus Impatiens. Nama ilmiah dari spesies ini pertama kali diterbitkan oleh K.M.Liu.

Impatiens polyneura là một loài thực vật có hoa trong họ Bóng nước. Loài này được K.M. Liu mô tả khoa học đầu tiên năm 1999.

多脉凤仙花（学名：Impatiens polyneura）为凤仙花科凤仙花属下的一个种。