疣点开口箭 you dian kai kou jian

Tupistra verruculosa Q. H. Chen, Acta Phytotax. Sin. 25: 69. 1987.

Rhizome brown, terete, 1.5--2 cm thick; nodes dense. Leaves 5--12, basal or nearly so, distichous equitant; petiole 4--12 cm; leaf blade 21--40 × 6--8 cm. Spike 10--12 × 1.5--2 cm, densely many flowered; peduncle ca. 15 cm; fertile bracts 2 per flower, pale green, membranous, larger one 5--9 × 3--4 mm, smaller one 3--6 × 1--1.5 mm. Perianth pale yellow-green, subcampanulate, 8--11 mm, with a cushionlike, ringed, fleshy, sparsely papillose appendage in throat; tube 2--3 mm; lobes ovate, 6--8 × 4--5 mm, fleshy, abaxially densely verruculose, apex cuspidate. Filaments with free part 1.5--2 mm. Ovary globose, ca. 3 mm in diam. Style 0.5--1 mm, 3-angled; stigma 3-lobed. Fl. May.

* Forests on limestone slopes; ca. 700 m. C and S Guizhou (Pingtang Xian, Weng’an Xian).