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丽江山荆子 Malus rockii

时间:2013-11-07 13:03来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 丽江山荆子 学名( Scientific Name ): Malus rockii Rehd. 英文名( English Common Name ): 别名( Chinese Common Name ): 喜马拉雅山荆子 异名( Synonym ): Malus baccata subsp. himalaica (Maxim.) Likhonos Malu
中文名(Chinese Name):丽江山荆子
学名(Scientific Name):Malus rockii Rehd.
英文名(English Common Name):
别名(Chinese Common Name):喜马拉雅山荆子
异名(Synonym):Malus baccata subsp. himalaica (Maxim.) Likhonos  Malus baccata var. himalaica (Maxim.) C. K. Schneid.  Pyrus baccata var. himalaica Maxim. 
科属(Family & Genus):蔷薇科(Rosaceae)苹果属
形态特征(Description):乔木,高8-10米,枝多下垂;小枝圆柱形,嫩时被长柔毛,逐渐脱落,深褐色,有稀疏皮孔。冬芽卵形,先端急尖,近于无毛或仅在鳞片边缘具短柔毛。叶片椭圆形、卵状椭圆形或长圆卵形,长6-12厘米,宽3.5-7厘米,先端渐尖,基部圆形或宽楔形,边缘有不等的紧贴细锯齿,上面中脉稍带柔毛,下面中脉、侧脉和细脉上均被短柔毛;叶柄长2-4厘米,有长柔毛;托叶膜质,披针形,早落。近似伞形花序,具花4-8朵,花梗长2-4厘米,被柔毛;苞片膜质,披针形,早落;花直径2.5-3厘米;萼筒钟形,密被长柔毛;萼片三角披针形,先端急尖或渐尖,全缘,外面有稀疏柔毛或近于无毛,内面密被柔毛,比萼筒稍长或近于等长;花瓣倒卵形,长1.2-1.5厘米,宽5-8厘米,白色,基部有短爪;雄蕊25,花丝长短不等,长不及花瓣之半;花柱4-5。基部有长柔毛,柱头扁圆,比雄蕊稍长。果实卵形或近球形,直径1-1.5厘米,红色,萼片脱落很迟,萼洼微隆起;果梗长2-4厘米,有长柔毛。花期5-6月,果期9月。
分布(Distribution):产云南、四川和西藏,生海拔2400-3800米山谷杂木林中。不丹也有。
用途(Use):
引自中国植物志英文版:FOC Vol. 9 Page 182     
Malus rockii Rehder, J. Arnold Arbor. 14: 206. 1933.
丽江山荆子 li jiang shan jiang zi| Rosaceae  | Malus
Malus baccata (Linnaeus) Borkhausen subsp. himalaica (Maximowicz) Likhonos; M. baccata var. himalaica (Maximowicz) C. K. Schneider; Pyrus baccata Linnaeus var. himalaica Maximowicz.
Trees 8–10 m tall, pendulous. Branchlets dark brown, terete, villous when young, glabrescent; buds reddish brown, ovoid, subglabrous or scales puberulous at margin. Stipules caducous, lanceolate, 5–6 mm, membranous, subglabrous, margin slightly glandular denticulate, apex acuminate; petiole 2–4 cm, villous; leaf blade elliptic, ovate-elliptic, or oblong-ovate, 6–12 × 3.5–7 cm, abaxially puberulous along midvein and lateral veins, adaxially sparsely pubescent along midvein, base rounded or broadly cuneate, margin irregularly adpressed serrulate, apex acuminate. Corymbs umbel-like, 4–6 cm in diam., 4–8-flowered; bracts caducous, lanceolate, membranous, margin sparsely glandular serrate, apex acuminate. Pedicel 2–4 cm, pubescent. Flowers 2.5–3 cm in diam. Hypanthium campanulate, densely villous. Sepals triangular-lanceolate, 5–7 mm, slightly longer than or ca. as long as hypanthium, abaxially sparsely pubescent or subglabrous, adaxially densely pubescent, margin entire, apex acute or acuminate. Petals white, obovate, 1.2–1.5 cm, base shortly clawed, apex rounded. Stamens 25, unequal, shorter than petals. Ovary 4- or 5-loculed, with 2 ovules per locule; styles 4 or 5, slightly longer than stamens, villous basally. Pome red, ovoid or subglobose, 1–1.5 cm in diam. with a small scar at apex; sepals caducous; fruiting pedicel 2–4 cm, puberulous. Fl. May–Jun, fr. Sep. 2n = 34*, 51*.
Mixed forests in valleys; 2400--3800 m. SW Sichuan, SE Xizang, NW Yunnan [Bhutan].
 




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