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翅果油树Elaeagnus mollis

时间:2013-11-10 22:48来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 翅果油树 学名( Scientific Name ): Elaeagnus mollis Diels 英文名( English Common Name ): 别名( Chinese Common Name ): 毛折子 异名( Synonym ): 科属( Family Genus ): 胡颓子科Elaeagnaceae胡颓子属Elaeag
中文名(Chinese Name):翅果油树
学名(Scientific Name):Elaeagnus mollis Diels
英文名(English Common Name):
别名(Chinese Common Name):毛折子
异名(Synonym):
科属(Family & Genus):胡颓子科Elaeagnaceae胡颓子属Elaeagnus
形态特征(Description):落叶直立乔木或灌木,高2-10米,胸径达8厘米,幼枝灰绿色,密被灰绿色星状绒毛和鳞片,老枝绒毛和鳞片脱落,栗褐色或灰黑色;芽球形,黄褐色。叶纸质,稀膜质,卵形或卵状椭圆形,长6-9 (-15 )厘米,宽3-6(-11)厘米,顶端钝尖,基部钝形或圆形,上面深绿色。散生少数星状柔毛,下面灰绿色,密被淡灰白色星状绒毛,侧脉6-10对,上面凹下,下面凸起;叶柄半圆形,长6-10(-15)毫米。花灰绿。色,下垂,芳香,密被灰白色星状绒毛;常1-3(-5)花簇生幼枝叶腋;花梗被星状柔毛,长3-4毫米;萼筒钟状,长5毫米,在子房上骤收缩,裂片近三角形或近披针形,长3.5-4毫米,顶端渐尖或钝尖,内面疏生白色星状柔毛,包围子房的萼管短矩圆形或近球形,被星状绒毛和鳞片,具明显的8肋;雄蕊4,花药椭圆形,长1.6毫米;花柱直立,上部稍弯曲,下部密生绒毛。果实近圆形或阔椭圆形,长13毫米,具明显的8棱脊,翅状,果肉棉质;果核纺锤形,栗褐色,内面具丝状棉毛;子叶肥厚,含丰富的油脂。花期4-5月,果期8-9 月。
分布(Distribution):产陕西、山西南部;生于海拔700-1300米的阳坡和半阴坡的山沟谷地和潮湿地区。
用途(Use):
引自中国植物志英文版: FOC Vol. 13 Page 251, 265
Elaeagnus mollis Diels, Bot. Jahrb. Syst. 36(Beibl. 82): 78. 1905.
翅果油树 chi guo you shu | Elaeagnaceae  | Elaeagnus
Trees or shrubs, deciduous, erect, 2-10 m tall, to 8 cm d.b.h., with grayish brown bark. Spines absent; young branches grayish green, densely stellate-scaly. Petiole 6-10 mm; leaf blade abaxially grayish green, adaxially dark green, ovate or ovate-elliptic, 6-9(-15) × 3-6(-11) cm, papery, abaxially densely grayish stellate-tomentose, adaxially sparsely stellate-hairy, lateral veins 6-10 per side of midrib, base obtuse or rounded, apex acute. Flowers often 1-3(-5) in leaf axils. Pedicel 3-4 mm. Flowers nodding, grayish green, fragrant, grayish white stellate-tomentose. Calyx tube campanulate, ca. 4 mm, abruptly constricted above ovary; lobes subtriangular or sublanceolate, 3.5-4 mm, inside sparsely white stellate-hairy, apex acuminate. Anthers ellipsoid, ca. 2 mm. Style erect, curved in upper part, lower part densely villous. Drupe globose-ovoid, or subglobose, ca. 1.3 cm, conspicuouly 8-ribbed, winged, densely villous. Fl. Apr-May, fr. Aug-Sep. 2n = 28*.
● Valleys, shaded areas; 700-1300 m. Shaanxi (Huxian), S Shanxi.
The winged fruit of Elaeagnus mollis is extremely distinctive. The species is very local and of some conservation concern.
 


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