水石衣 shui shi yi

Podostemum griffithii Wallich ex Griffith, Asiat. Res. 19: 105. 1838.

Small herb. Roots green, many branched, ca. 2.5 cm in diam., leathery when dry. Stems short, with 4-6 leaves. Sterile stem leaves in a rosette, linear, 3-4 mm; leaf blade 1-2 mm. Spathella ca. 2.5 mm. Tepals 2, linear, membranous, ca. 1.5 mm. Stamens 2, filaments connate to middle, ca. 1.5 mm; anther ca. 0.3 mm. Ovary ellipsoid, ca. 2 mm. Stigmas bluntly subulate. Capsule ellipsoid, ca. 2.2 mm, stipitate; valves delicately ribbed. Fl. Aug-Oct, fr. Mar-Apr.

900-1900 m. S Yunnan [Bhutan, E India, Myanmar, Nepal, N Vietnam].