长圆叶柳Salix divaricata Pall. var. meta-formosa (Nakai) Kitag.

科名：杨柳科 Salicaceae

属名：柳属 Salix

《中国植物志》第20(2)卷293页
  183b．长圆叶柳（东北木本植物图志）
  var. meta-formosa (Nakai) Kitag. Neo-Lineam. Fl. Mansh. 204. 1979.——S. meta-formosa Nakai in Tokyo, Bot. Mag. 33: 42. 1919; id. Fl. Sylv. Kor. 18: 142. t. 30. et 31. 1930.——S. orthostemma Nakai, 1. c. 33: 43. 1919; id. 1. c. 18: 143. 1930.——S. oblongifolia auct. non Trautv. et Mey.: 刘慎谔等, 东北木本植物图志, 157. 图版46: 上1-8;图版45: 65. 1955.——S. divaricata Pall. var. orthostemma (Nakai) Kitag. 1. c. 205. 1979.
  斜升灌木（有时匍匐）；高约80厘米；小枝淡黄色，初有毛，后无毛。叶倒卵形，椭圆形，长圆状倒卵形或倒披针形，长2-5厘米，宽0.6-2厘米，先端短渐尖，基部楔形，边缘有锯齿或全缘，上面绿色，下面灰绿色，成叶无毛，叶脉淡褐色，上面凹陷，下面突起；叶柄长2-5毫米，初有短绒毛，后无毛；托叶披针形，常早落。花与叶同时或稍先叶开放，雄花序长2-2.5(3)厘米，粗8-10毫米，无梗或有短梗，基部有2-3个具柔毛的鳞片；雄蕊2,花丝中下部不同程度的合生，稀离生，无毛，花药球形，着生在花序上部的部分花药黄红色，下部黄色；苞片椭圆状长圆形或长倒卵形，长约1.3毫米，先端圆形或稍尖，上部紫红黑色，两面密被比苞片本身长一倍以上的长柔毛；仅1腹腺，卵形或短圆柱形，黄色；雌花序侧生枝端，直立，花序梗被绒毛和鳞状小叶片；苞片倒卵形，先端钝或尖，褐色，有长毛；腺体1，腹生；子房被绒毛，具短柄或几无柄，花柱明显，长约1毫米，柱头2浅裂。蒴果褐色，无毛或有疏毛。花期5月下旬，果期7月。
  产吉林东部（长白山）。生于山地阴湿处及路旁，常与牛皮杜鹃Rhododendron chrysanthum Pall. 混生, 海拔1800-2300米。朝鲜也有分布。

《Flora of China》 Vol. 4 (1999)
Salix divaricata var. metaformosa  (Nakai) Kitagawa
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]