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银果牛奶子Elaeagnus magna

时间:2013-09-09 08:12来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 银果牛奶子 学名( Scientific Name ): Elaeagnus magna Rehd. 英文名( English Common Name ): 别名( Chinese Common Name ): 银果胡颓子 异名( Synonym ): Elaeagnus umbellata subsp. magna Servettaz 科属( Fami
中文名(Chinese Name):银果牛奶子
学名(Scientific Name):Elaeagnus magna Rehd.
英文名(English Common Name):
别名(Chinese Common Name):银果胡颓子
异名(Synonym):Elaeagnus umbellata subsp. magna Servettaz
科属(Family & Genus):胡颓子科(Elaeagnaceae)胡颓子属
形态特征(Description):落叶直立散生灌木,高1-3米,通常具刺,稀无刺;幼枝淡黄白色,被银白色鳞片,老枝鳞片脱落,灰黑色;芽黄色或黄褐色,锥形,具4鳞片,内面具星状柔毛。叶纸质或膜质,倒卵状矩圆形或倒卵状披针形,长4-10厘米,宽1.5-3.7厘米,顶端钝尖或钝形,基部阔楔形,稀圆形,全缘,上面幼时具互相.不重叠的白色鳞片,成熟后部分脱落,下面灰白色,密被银白色和散生少数淡黄色鳞片,有光泽,侧脉7-10对,不甚明显;叶柄密被淡白色鳞片,长4-8毫米。花银白色,密被鳞片,l-3花着生新枝基部,单生叶腋;花梗极短或几无,长1-2毫米;萼筒圆筒形,长8-10毫米,在裂片下面稍扩展,在子房上骤收缩,裂片卵形或卵状三角形,长3-4毫米,顶端渐尖,内面几无毛,包围子房的萼管细长,窄椭圆形,长3-4毫米;雄蕊的花丝极短,花药矩圆形,长2毫米,黄色;花柱直立,无毛或具白色星状柔毛,柱头偏向一边膨大,长2-3毫米,超过雄蕊。果实矩圆形或长椭圆形,长12-16毫米,密被银白色和散生少数褐色鳞片,成熟时粉红色;果梗直立,粗壮,银白色,长4 6毫米。花期4-5月,果期6月。
分布(Distribution):产江西、湖北、湖南、四川、贵州、广东、广西;生于海拔100-1200米的山地、路旁、林缘、河边向阳的沙质土壤上。
用途(Use):果实可生食和酿酒,亦是观赏植物。
引自中国植物志英文版FOC Vol. 13 Page 252, 267      
Elaeagnus magna (Servettaz) Rehder in Sargent, Pl. Wilson. 2: 411. 1915.
银果牛奶子 yin guo niu nai zi| Elaeagnaceae  | Elaeagnus
Elaeagnus umbellata Thunberg subsp. magna Servettaz, Bull. Herb. Boissier, sér. 2, 8: 383. 1908.
Shrubs, deciduous, erect, 1-3 m tall. Spines present; young branches, flower parts, and fruit densely silvery scaly. Petiole 4-8 mm, densely white scaly; leaf blade abaxially glossy and grayish white, adaxially drying brownish to olive-green, obovate-oblong or obovate-lanceolate, 4-10 × 1.5-3.7 cm, papery or membranous, abaxially with overlapping silvery and sometimes scattered yellowish scales, scales umbonate, shallowly lobed, margin fimbriate, adaxially with scattered silvery sessile scales, scales fimbriate, only slightly lobed, lateral veins 7-10 per side of midrib, base cuneate, margin entire, apex bluntly acute to acuminate. Flowers 1-3 at base of new grown shoots. Pedicel very short or absent at anthesis; fruiting pedicel erect, silvery, 4-6 mm (or nearly absent in gatherings from Jiangxi), thick. Flowers silvery white, densely scaly. Calyx tube tubular, 8-10 mm, abruptly constricted above ovary; lobes ovate or ovate-triangular, 3-4 mm, inside glabrous, apex acuminate. Filaments very short; anthers oblong, ca. 2 mm. Style erect, glabrous or with white stellate hairs; stigma oblique, 2-3 mm. Drupe pink-red, cylindric or narrowly elliptic to fusiform, 1.2-1.6 cm, scales similar to those of leaves but more shortly and coarsely fimbriate. Fl. Apr-May, fr. Jun.
● Sandy soil in mountains, by roads, forest margins, or river banks; 100-1200 m. Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Sichuan.




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