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小石积Osteomeles anthyllidifolia

时间:2013-11-10 23:08来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 小石积 学名( Scientific Name ): Osteomeles anthyllidifolia Lindl. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Pyrus anthyllidifolia Sm. 科属( Family Genus ): 蔷薇科
中文名(Chinese Name):小石积
学名(Scientific Name):Osteomeles anthyllidifolia Lindl.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Pyrus anthyllidifolia Sm.
科属(Family & Genus):蔷薇科Rosaceae小石积属Osteomeles
形态特征(Description):灌木,高达1-3米;小枝圆柱形,被柔毛,以后脱落。奇数羽状复叶,具小叶片7-15对,连叶柄长5-7厘米;小叶片对生,相距约8毫米,倒卵形或倒卵状长圆形,长1-1.5厘米,宽3-5毫米,先端圆钝,微凹或有短尖,全缘,上下两面被柔毛,下面稍密;小叶柄极短或近于无柄;叶轴上有窄叶翼,叶柄长1-1.5厘米,被柔毛;托叶披针形,早落。伞房花序,密具多花,直径2-3厘米;总花梗和花梗均具柔毛;花梗长5-8毫米;苞片披针形,早落;花直径约1厘米;萼筒钟状,外面密被柔毛;萼片三角披针形,先端渐尖,全缘,比萼筒稍短,外面密被柔毛,内面稍有柔毛;花瓣匙形,白色;雄蕊20,比花瓣稍短;花柱5,基部被长柔毛,与雄蕊近等长。果实椭圆形或长圆形,长约10毫米,萼片宿存,直立;果梗长约8毫米,被柔毛。
分布(Distribution):产台湾(红头屿)。日本琉球和小笠原群岛也有分布。
用途(Use):
引自中国植物志英文版:FOC Vol. 9 Page 118   
Osteomeles anthyllidifolia (Smith) Lindley, Trans. Linn. Soc. London, Bot. 13: 99. 1821.
小石积 xiao shi ji | Rosaceae  | Osteomeles
Pyrus anthyllidifolia Smith in Rees, Cycl. 29: Pyrus n. 29. 1819.
Shrubs 1–3 m tall. Branchlets reddish brown or purplish brown, terete, slender, initially pubescent, glabrescent; buds not seen. Leaves with 7–15 pairs of leaflets; stipules caducous, lanceolate, membranous; petiole 1–1.5 cm, pubescent; petiolule very short or absent; leaflet blade obovate or obovate-oblong, 1–1.5 cm × 3–5 mm, both surfaces pubescent, abaxially densely so, base broadly cuneate to subrounded, margin entire, apex obtuse, emarginate or mucronulate. Corymb 2–3 cm in diam., numerous flowered; peduncle pubescent; bracts caducous, lanceolate, membranous, pubescent. Pedicel 5–8 mm, pubescent. Flowers ca. 1 cm in diam. Hypanthium campanulate, abaxially pubescent. Sepals triangular-lanceolate, abaxially densely pubescent, adaxially sparsely pubescent, margin entire, apex acuminate. Petals spatulate, 5–7 × 3–4 mm. Stamens 20. Styles nearly as long as stamens, villous basally. Pome blackish brown, ellipsoidal or oblong, ca. 1 cm; fruiting pedicel ca. 8 mm, pubescent; sepals persistent, erect. Fl. Apr–May, fr. Aug.
Coral rocks near sea; near sea level. Taiwan (Hongtou Yu, Lan Yu) [Japan (Ryukyu Islands)].
 


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