3. Trichophorum alpinum (Linnaeus) Persoon, Syn. Pl. 1: 70. 1805.
鳞苞针蔺 lin bao zhen lin
Eriophorum alpinum Linnaeus, Sp. Pl. 1: 53. 1753; E. hudsonianum Michaux; Scirpus hudsonianus (Michaux) Fernald; Trichophorum alpinum var. hudsonianum (Michaux) Persoon.
Rhizomes creeping, branched. Culms densely tufted, 20-30 cm tall, 3-angled, slightly scabrous, clothed at base with bladeless leaf sheaths. Leaf blade of apical leaf ca. 1 cm × 0.3 mm. Involucral bracts glumelike, basalmost awned. Inflorescences reduced to a single terminal spikelet, oblong, 4.5-5 × ca. 3 mm, few flowered. Glumes yellowish brown, oblong to narrowly ovate, ca. 3.5 × 0.9 mm, 1-veined, apex obtuse. Perianth bristles 4-6, white, to 2 cm in fruit, flattened, smooth, silky, eventually ± crinkled. Stigmas 3. Nutlet dark brown, oblong-obovoid, 1-1.5 mm, apex shortly pointed. Fl. and fr. Jun-Aug.
Alpine tundra. Jilin [Japan, Korea, Russia; Europe, North America].