长柄鸢尾 chang bing yuan wei

Iris gracilipes Pampanini (1915), not A. Gray (1858).

Rhizomes creeping, reddish brown, very slender. Leaves pale green, narrowly linear, 15--40 cm × ca. 2 mm, veins 1 or 2. Flowering stems slender, 9--25 cm, 1- or 2-leaved; spathes 2 or 3, green, narrowly lanceolate, 3--4 cm, 2-flowered, apex acuminate. Flowers white or pale violet, 2.5--3 cm in diam.; pedicel 2--4 cm, slender. Perianth tube short, 3--5 mm; outer segments marked yellow proximally, obovate, ca. 2 cm × 7 mm; inner segments obovate, smaller than outer, claw short. Stamens ca. 1 cm; anthers linear. Ovary 5--7 mm. Style branches ca. 1 cm. Capsule not seen. Fl. Apr--May, fr. Jun--Aug.

* Forest margins, grasslands in forests, grassy slopes on hot dry mountains; 1800--1900 m. Anhui, Gansu, Hubei, Hunan, Sichuan.