密齿柳Salix characta
中文名(Chinese Name):密齿柳
学名(Scientific Name):Salix characta Schneid.
英文名(English Common Name):
别名(Chinese Common Name):陇山柳
异名(Synonym):
科属(Family & Genus):杨柳科(Salicaceae)柳属
形态特征(Description):灌木。小枝灰黄褐色或红棕色,幼时微有柔毛。芽卵圆形,黄红色。叶披针形或长圆状披针形,稀长圆形,长3.5 (-5)厘米,宽6-10毫米,最大者长可达6-7厘米,宽1.3厘米,两端急尖,或先端短渐尖,稀基部近钝形,上面绿色,微被柔毛,下面灰绿色,叶脉显著突起,沿中脉具长柔毛,边缘向下面反卷,具细锯齿;叶柄长1-3 (4)毫米,具长柔毛。花序短,长1.5-2.5厘米,果序长达4厘米,花密集,轴具柔毛,具短梗或无梗;雄花具2雄蕊,花丝无毛;苞片椭圆形或长圆形,先端急尖或钝,褐色,两面被长毛;腹腺1,条形,长为苞片一半;子房狭卵形,中下部有柔毛,具柄,有柔毛,花柱明显,长约为子房的1/2-2/3,上部浅裂,柱头短,全缘或微裂;苞片椭圆形或卵形,先端急尖或微钝,两面被长毛,褐色,上部较暗;腺体1,腹生,长圆形至条形,与子房柄近等长。蒴果长约4毫米,下部稍有毛,有柄。花期5月上、中旬,果期6-7月。
分布(Distribution):产内蒙古、河北、陕西、山西、甘肃、青海等省区,生于海拔2200-3200米的山坡及山谷中。
用途(Use):
引自中国植物志英文版:FOC Vol. 4 Page 254
Salix characta C. K. Schneider in Sargent, Pl. Wilson. 3: 125. 1916.
密齿柳 mi chi liu| Salicaceae | Salix
Shrubs. Branchlets grayish yellow-brown or russet, downy when young. Buds russet, ovoid. Petiole 1-3(-4) mm, villous; leaf blade lanceolate or oblong-lanceolate, rarely oblong, 3.5 (-7) × 0.6-1(-1.3) cm, abaxially grayish green, villous along midvein, adaxially green, puberulent, both ends acute, rarely base subobtuse and apex shortly acuminate, margin serrulate, revolute; veins raised abaxially. Catkins 1.5-2.5 cm, densely flowered, sessile or shortly pedunculate; rachis downy; bracts brown, elliptic, oblong, or ovate, long pubescent, apex acute or obtuse. Male flower: adaxial gland linear or oblong, ca. 1/2 as long as bracts; stamens 2, glabrous. Fruiting catkin to 4 cm. Female flower: ovary narrowly ovoid, proximally downy; stipe pubescent, ca. as long as gland; style 1/3-1/2 as long as ovary, lobed; stigma short, entire or 2-lobed. Capsule ca. 4 mm, basally pilose, stipitate. Fl. May, fr. Jun-Jul.
(责任编辑:徐晔春)
学名(Scientific Name):Salix characta Schneid.
英文名(English Common Name):
别名(Chinese Common Name):陇山柳
异名(Synonym):
科属(Family & Genus):杨柳科(Salicaceae)柳属
形态特征(Description):灌木。小枝灰黄褐色或红棕色,幼时微有柔毛。芽卵圆形,黄红色。叶披针形或长圆状披针形,稀长圆形,长3.5 (-5)厘米,宽6-10毫米,最大者长可达6-7厘米,宽1.3厘米,两端急尖,或先端短渐尖,稀基部近钝形,上面绿色,微被柔毛,下面灰绿色,叶脉显著突起,沿中脉具长柔毛,边缘向下面反卷,具细锯齿;叶柄长1-3 (4)毫米,具长柔毛。花序短,长1.5-2.5厘米,果序长达4厘米,花密集,轴具柔毛,具短梗或无梗;雄花具2雄蕊,花丝无毛;苞片椭圆形或长圆形,先端急尖或钝,褐色,两面被长毛;腹腺1,条形,长为苞片一半;子房狭卵形,中下部有柔毛,具柄,有柔毛,花柱明显,长约为子房的1/2-2/3,上部浅裂,柱头短,全缘或微裂;苞片椭圆形或卵形,先端急尖或微钝,两面被长毛,褐色,上部较暗;腺体1,腹生,长圆形至条形,与子房柄近等长。蒴果长约4毫米,下部稍有毛,有柄。花期5月上、中旬,果期6-7月。
分布(Distribution):产内蒙古、河北、陕西、山西、甘肃、青海等省区,生于海拔2200-3200米的山坡及山谷中。
用途(Use):
引自中国植物志英文版:FOC Vol. 4 Page 254
Salix characta C. K. Schneider in Sargent, Pl. Wilson. 3: 125. 1916.
密齿柳 mi chi liu| Salicaceae | Salix
Shrubs. Branchlets grayish yellow-brown or russet, downy when young. Buds russet, ovoid. Petiole 1-3(-4) mm, villous; leaf blade lanceolate or oblong-lanceolate, rarely oblong, 3.5 (-7) × 0.6-1(-1.3) cm, abaxially grayish green, villous along midvein, adaxially green, puberulent, both ends acute, rarely base subobtuse and apex shortly acuminate, margin serrulate, revolute; veins raised abaxially. Catkins 1.5-2.5 cm, densely flowered, sessile or shortly pedunculate; rachis downy; bracts brown, elliptic, oblong, or ovate, long pubescent, apex acute or obtuse. Male flower: adaxial gland linear or oblong, ca. 1/2 as long as bracts; stamens 2, glabrous. Fruiting catkin to 4 cm. Female flower: ovary narrowly ovoid, proximally downy; stipe pubescent, ca. as long as gland; style 1/3-1/2 as long as ovary, lobed; stigma short, entire or 2-lobed. Capsule ca. 4 mm, basally pilose, stipitate. Fl. May, fr. Jun-Jul.
- Mountain slopes, valleys; 2200-3200 m. Gansu, Hebei (Xiaowutai Shan), Nei Mongol (Ningcheng Xian), Qinghai, Shaanxi, Shanxi
(责任编辑:徐晔春)
踩一下[0]
顶一下[3]