5. Salix capusii Franchet in Ann. Sci. Nat., Sér. 6. 18: 251. 1884; A.K. Skvortsov in Rech.f., Fl. Iran. 65: 37. 1969; R.R. Stewart, Ann. Cat. Vasc. Pl. W. Pak. Kashm. 182. 1972; F.Zhenfu, Z.Shidong & A.K. Skvortsov l.c. 269.(Fig.2, A-G).
S. caerulea E. Wolf in Acta Horti Petrop. 21: 157. 1903 not, Smith 1812; Nazarov in Kom., Fl. USSR 5: 159. 1936; S. niedzwieckii Görz, Salic. Asiat. 1: 18. 1931.
Tree 4-8 m tall, branches mostly covered with white bloom. Stipules minute or absent. Petiole 1-4 mm long. Lamina (0.8)-1.5-6.5 cm x 2.5-9 mm, lanceolate to oblanceolate, glabrous to sericeo pilose, margin serrulate, tip acute rarely obtuse to subobtuse, mucronate. Catkin appearing after leaves. Peduncle with 2-3 leaves. Male catkin at anthesis 15-40 x 4-6 mm. Bracts 1-2 x 0.5-0.7 mm, boat shaped, hairy or glabrous, tip rotund, subdentate to truncate. Stamens 2, filaments perfectly connate, 2.5-3.5 mm long with long hairs at the base. Anthers 0.3-0.4 mm long. Gland 1, pale, up to 0.5 mm long. Female catkin with 2-3 leaves at the base at maturity 10-40 x 8-10 mm, axis densely hairy. Bracts as in the male. Ovary 2-3 mm long, glabrous, or pubescent, stipe c. 1 mm, capsule 3.5-5 mm long, ovato-lanceolate, glabrous or hairy, stipe 0.5-1.5 mm, style 0.3-0.6 mm long, stigma bilobed each lobe bipartite, 0.3-0.5 mm long.
Fl. Per.: April-June.
Syntypes: `In ripis fluv. Zeravshan prope Dardar et ad lacum Iskander-kul'; Capus 1200 (P) 1201, (P,LE) (A.K. Skvortsov, l.c. 37. 1969).
Distribution: Pakistan (Chitral, Kurram valley, Gilgit), Kashmir, 1500-3500 m; Afghanistan, Tajikistan; China (Xinjiang).
