Murdannia yunnanensis D. Y. Hong

Murdannia yunnanensis is similar to M. wightii R. S. Rao & Kammathy (described from India), but differs in having pedicels mostly straight in fruit, filaments of fertile stamens sparsely red torulose villous, and capsules smaller.

Herbs perennial. Roots fibrous. Rhizomes horizontal, elongate. Stems creeping or ascending, often branched, 5--20 cm, with a line of multicellular villous hairs. Leaves all cauline, sessile; leaf sheath 2--4 mm, with a line of dense, multicellular villous hairs; proximal leaf blades elliptic, 2--4 × 0.7--1.3 cm, glabrous, apex acute; distal leaf blades ovate, ca. 10 mm. Flowers 1--3, in fascicles in leaf axils; pedicel ca. 3 cm, with transparent, membranous leaf sheath near base, jointed at middle, mostly straight in fruit, sometimes slightly curved. Sepals narrowly ovate, ca. 3.5 mm. Petals blue or pink, orbicular. Fertile stamens 3; filaments sparsely red torulose villous; staminodes 3; antherodes sagittate. Capsule ovoid-ellipsoid, 4--5 × ca. 2 mm. Seeds ca. 4 per valve, uniseriate, gray.

S Yunnan (Xishuangbanna Dai Zu Zizhizhou).

* Swamps in forests, forest margins; ca. 800 m.

Murdannia yunnanensis là một loài thực vật có hoa trong họ Commelinaceae. Loài này được D.Y.Hong mô tả khoa học đầu tiên năm 1974.

云南水竹叶（学名：Murdannia yunnanensis）是鸭跖草科水竹叶属的植物，是中国的特有植物。分布在中国大陆的云南省等地，生长于海拔800米的地区，多生于林中以及林缘的沼地，目前尚未由人工引种栽培。