长圆叶柳 chang yuan ye liu

Salix metaformosa Nakai, Bot. Mag. (Tokyo) 33: 42. 1919; S. divaricata var. orthostemma (Nakai) Kitagawa; S. orthostemma Nakai.

Shrubs ascending, rarely creeping, to 80 cm tall. Branchlets yellowish, at first pilose, glabrescent. Stipules lanceolate, caducous; petiole 2-5 mm; leaf blade obovate, elliptic, oblong-obovate, or oblanceolate, 2-5 × 0.6-2 cm, abaxially grayish green, glabrous, adaxially green, base cuneate, margin serrate or entire, apex shortly acuminate; veins brownish, conspicuous, adaxially impressed. Flowering coetaneous or slightly precocious. Male catkin 2-2.5(-3) × 0.8-1 cm, sessile or shortly pedunculate, with 2 or 3 scalelike leaflets; bracts purplish reddish black, yellowish green proximally, elliptic-oblong or long obovate, ca. 1.3 mm, villous, apex rounded or slightly acute. Male flower: adaxial gland yellow, ovate or shortly cylindric; stamens 2; filaments partly connate, rarely distinct, glabrous; anthers yellowish red or yellow, globose. Female catkin pedunculate; peduncle tomentose, with leaflets; bracts brown, obovate, villous, apex obtuse or acute. Female flower: gland adaxial; ovary reddish, tomentose, shortly stipitate; style conspicuous, ca. 1 mm; stigma red, 2-lobed. Capsule russet, pilose or subglabrous to glabrous. Fl. May, fr. Jul.

Damp places, roadsides; 1800-2300 m. E Jilin (Changbai Shan) [Korea]