Herbs perennial. Roots fibrous. Rhizomes horizontal, elongate. Stems creeping proximally, ascending distally, branched, to 40 cm; internodes ca. 8 cm, with a line of dense, white hairs. Leaves sessile; leaf sheath with a line of hairs on 1 side; leaf blade spreading or slightly folded, linear-lanceolate or linear-elliptic, 2--6 cm × 5--8 mm, ciliate only in proximal part, apex obtuse, abruptly narrowed into acuminate tip. Cincinni terminal and axillary, usually 1-flowered; peduncle 1--4 cm (terminal ones longer), with linear bract at middle, sometimes with a flower in axil of bract; pedicels 1--2 cm. Sepals narrowly oblong, 4--6 mm. Petals pink, purple-red, or blue-purple, obovate. Fertile stamens 3; filaments densely bearded; staminodes 3; antherodes sagittate. Capsule ovoid-globose, trigonous, 5--7 × 3--4 mm, obtuse or acute at both ends. Seeds (1--)3 per valve, uniseriate, reddish gray, not flattened. Fl. Sep--Oct (also May in Yunnan), fr. Oct--Nov.
More
A perennial creeping herb. It forms roots at the lower nodes. It is green with purple tinges. The leaves are narrowly sword shaped and 2-4 cm long by 4-6 mm wide. There is a line of hairs where the leaf and leaf sheath join. The flowers are pale blue. They occur singly at the ends of leafy shoots.
Home