《中国植物志》|| 凤仙花科 BALSAMINACEAE ||凤仙花属 Impatiens L. ||槽茎凤仙花 Impatiens sulcata Wall.

60. 槽茎凤仙花（植物分类学报）图版20: 1-7
Impatiens sulcata Wall. in Roxb. Fl. Ind. ed Carey 2: 458. 1824; Hook. f. Fl. Brit. Ind. 1: 469. 1875; et in Roc. Bot. Surv. Ind. 4 (2): 13. 19. 1905; Hara in Fl. E. Himal 3. 79. 1975; Y. L. Chen in Acta Phytotax. Sin. 16 (2): 39. 1978 in clavi; 西藏植物志3: 169, fig. 69. 1986——I. gigantea Edgew. in Trans. Linn. Soc. 20: 38. 1846. non Arn.
一年生草本，高60-120厘米。茎直立，粗壮，圆柱形，具明显的槽沟，不分枝或上部有分枝。节上常具疏腺体。叶对生或上部轮生，椭圆状卵形或卵状披针形，长6-20厘米，宽2-5.5厘米，顶端渐尖或长渐尖，基部楔形或近圆形，稍不等侧，边缘具圆齿状锯齿，侧脉8-12对；叶柄长1.5-3.5厘米，有疏腺体或无腺体，基部有红色或紫红色具柄腺体。花较大，多数排成近伞房状总状花序；总花梗长3.5-9厘米；花梗上端膨大，基部有披针形或卵状披针形的苞片，粉红色或紫红色。侧生萼片2，斜卵状心形，具小尖头；旗瓣近圆形，背面无几龙骨突，顶端具弯喙尖；翼瓣宽，无柄，基部裂片近斧形，尖，上部裂片宽斧形，钝或稍尖；唇瓣囊状，基部骤狭成长4-5毫米内弯的短距；花药钝。蒴果短棒状，下垂，顶端喙尖。种子倒卵圆形，具皱纹。花果期8-9月。
产西藏（聂拉木、亚东的帕里）。生于海拔3000-4000米的冷杉林下或水沟边、潮湿处。印度、尼泊尔、锡金、不丹也有。
据文献记载此种的种子大，可食。

《Flora of China》|| Balsaminaceae || Impatiens ||槽茎凤仙花 Impatiens sulcata

65. Impatiens sulcata Wallich in Roxburgh, Fl. Ind. 2: 458. 1824.

槽茎凤仙花 cao jing feng xian hua

Impatiens gigantea Edgeworth (1846), not Arnott (1835).

Plants annual, (20-)60-120 cm tall. Stem erect, terete, robust, conspicuously grooved, simple or branched in upper part, sparsely glandular at nodes. Leaves opposite or verticillate in upper part of stem; petiole (0.5-)1.5-3.5 cm, sparsely glandular or without glands; leaf blade elliptic-ovate or ovate-lanceolate, (4-)6-20 × 2-5.5 cm, with red or purple stipitate basal glands, lateral veins 8-12 pairs, base cuneate or subrounded, slightly inequilateral, margin crenate-serrate, apex acuminate or long acuminate. Inflorescences subcorymbose-racemose, many flowered; peduncles 3.5-9 cm. Pedicels swollen at apex, bracteate at base; bracts pink or purple-red, lanceolate or ovate-lanceolate. Flowers purplish pink, large, 3-3.5 cm, 3-3.5 cm deep. Lateral sepals 2, obliquely ovate-cordate, ca. 7 × 4 mm, apex mucronulate. Lower sepal saccate, 1.5-1.8 cm deep, abruptly narrowed into an incurved spur 4-8 mm. Upper petal cucullate, suborbicular, apex curved-rostellate, abaxially not carinate; lateral united petals not clawed, 2.8-3.2 cm, broad; basal lobes subdolabriform to oblong-ovate, ca. 1.4 × 0.6 cm, apex acute, cuspidate; distal lobes broadly dolabriform to broadly elliptic or ovate, ca. 2 × 1 cm, apex acute. Anthers obtuse. Capsule pendulous, clavate, 2-2.5 cm. Seeds obovoid, rugose. Fl. and fr. Aug-Sep. 2n = 18.

Understories of Picea forests, along canals, shaded moist places; 3000-4000 m. S Xizang [Bhutan, India, Kashmir, Nepal].

According to the literature, the seeds are edible.