1. Koenigia nepalensis D. Don, Prodr. Fl. Nepal. 74. 1825; Hara in Fl. East. Himal. 70. 1966, in Hara et al., Enum. Pl. Nepal 3: 174. 1982; Grierson & D.G.Long, Fl. Bhutan 1(1): 157. 1983; Munshi & Javeid Syst. Stud. Polyg. Kashm. Himal. 51. 1986; Ronse Decr. & Akeroyd, l.c. 368.
Koenigia filicaulis (Wall. ex Meisn.) Hedberg in Sv. Bot. Tidsk. 40: 391. 1946; Polygonum filicaule Wall. ex Meisn. in Wall., Pl. As. Rar. 3: 59. 1832; Hook.f., Fl. Brit. Ind. 5: 25. 1886; R. R. Stewart, Ann. Cat. Vasc. Pl. W. Pak. & Kashm. 205. 1972.
Annual, decumbent or spreading 10-30 cm branched herb, ± flaccid, tufted, bearing sparse appressed, yellowish, deflexed, pilose hairs, usually forming a ring at the base of the ochreae. Leaves ovate to lanceolate, distant, 4-10 (-15) x 3-5 (-7) mm, acute, entire, rounded at the base, sparsely to moderately appressed pilose on both the surfaces, ochrea thick, ± cup-shaped, membranous, sometimes 2-3-partite, pilose, 2-3 mm long. Flowers in terminal ± flat topped corymbs, 5-6 in each corymb, pedicellate, pedicel 1-1.5 mm long, jointed; bracts very small, ± elliptic ovate, c. 0.5 mm long, perianth 5-partite, divided, almost up to the base, white or pink, outer 2 smaller, obovate-ovate, sometimes ± spathulate, usually obtuse, 1.75-2 (-2.5) x 1-1.5 mm. Stamens 3, filaments very short, staminodes 5, alternating and larger than the stamens. Styles 3, short, free, stigma ± rounded. Nut exserted, ± ellipsoid, c. 1.5-2.5 x c. 1.5 mm, pale.
Fl. Per.: July-September.
Type: Hab. in Gosaingsthan Nepaliae Wallich (K-W!).
A plant of higher altitudes, grows in moist places and under rocks with mosses between 3000 to 5000 m; usually it is overlooked by the collectors; Distribution: Pakistan (Hazara), Kashmir to Bhutan, Xizang and China.