金山开口箭 jin shan kai kou jian

Tupistra jinshanensis Z. L. Yang & X. G. Luo, Acta Bot. Yunnan. 6: 389. 1984.

Rhizome yellowish brown, slightly curved, 1--3 cm thick, stout; nodes dense. Stem short. Leaves many, distichous equitant, sessile, lorate, 30--45 × 1.2--2 cm. Spike 2--4 × ca. 1.5 cm, densely many flowered, sometimes with several sterile bracts apically; peduncle ca. 4 cm; fertile bracts green-white, 3--4 × 1.5--2.5 mm, margin membranous and entire. Perianth subcampanulate, 6.5--8 mm, fleshy; tube 2.5--3 mm; lobes ovate-lanceolate or broadly ovate, 4--5 × 3--4 mm, margin white, membranous, entire, apex shortly cuspidate. Filaments basally widened and corrugated, free part incurved, ca. 2 mm. Ovary ovoid-globose, 2--3 mm in diam. Style less than 1 mm. Fl. Apr.

* Forests; ca. 1800 m. SE Sichuan (Nanchuan Xian).