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Chinese Plant Names | Family List | Iridaceae | Iris

58. Iris dolichosiphon Noltie, Kew Mag. 7: 9. 1990.

长管鸢尾 chang guan yuan wei

Description from Flora of China

Rhizomes short. Leaves linear, 3--23 cm × 2--7 mm at anthesis, to 55 × 1.4 cm in fruit, midvein indistinct, apex curved, minutely acuminate. Flowering stems short, base with sheathlike leaves; spathes membranous when dry, 1-flowered. Flowers very dark violet, slightly mottled, 3--8.5 cm in diam. Perianth tube 4--14 cm; outer segments spatulate, 2.3--4.3 × 0.8--1.8 cm, abruptly narrowed into a 0.7--1 cm long claw, claw and base of limb with dense beard of white-based, orange-tipped, clavate hairs, limb elliptic, apex blunt or retuse; inner segments spreading or reflexed, 2--3.6 × 0.5--1.5 cm, claw 4--6 mm, limb oblong, apex retuse or truncate. Stamens 1.7--2.2 cm; anthers orange or pale violet, 8--10 mm. Style branches dark violet, paler at margin, 1.5--2.8 × 0.8--1.5 cm. Capsule borne at ground level, narrowly ellipsoid, ca. 5 cm, apex acute; valves remaining united apically. Seeds ca. 3.5 mm, arillate. Fl. May--Jun, fr. Sep. 2 n = 22.

Among shrubs, alpine meadows, open grassy hillsides, limestone cliffs; 2700--4300 m. Sichuan, Xizang, Yunnan [Bhutan, NE India, Myanmar].


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