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日本木瓜 Chaenomeles japonica

时间:2013-11-06 12:49来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 日本木瓜 学名( Scientific Name ): Chaenomeles japonica (Thunb.) Lindl. ex Spach 英文名( English Common Name ): Maules quince 别名( Chinese Common Name ): 倭海棠 异名( Synonym ): Chaenomeles maulei (Ma
中文名(Chinese Name):日本木瓜
学名(Scientific Name):Chaenomeles japonica (Thunb.) Lindl. ex Spach
英文名(English Common Name):Maule's quince
别名(Chinese Common Name):倭海棠
异名(Synonym):Chaenomeles maulei (Mast.) C. K. Schneid.  Pyrus japonica Thunb.  Pyrus maulei Mast.  Cydonia japonica (Thunb.) Pers.  Aronia japonica hort. ex K.Koch  Chaenomeles trichogyna Nakai  Choenomeles japonica Lindl.  Cydonia maulei T.Moore  Pseudochaenomeles maulei CarriŠre  Chaenomeles japonica var. maulei (Mast.) Lavall‚e, nom. nud.  Cydonia japonica var. typica Makino
科属Family & Genus):蔷薇科(Rosaceae)木瓜属
形态特征(Description):矮灌木,高约1米,枝条广开,有细刺;小枝粗糙,圆柱形,幼时具绒毛,紫红色,二年生枝条有疣状突起,黑褐色,无毛;冬芽三角卵形,先端急尖,无毛,紫褐色。叶片倒卵形、匙形至宽卵形,长3-5厘米,宽2-3厘米,先端圆钝,稀微有急尖,基部楔形或宽楔形,边缘有圆钝锯齿,齿尖向内合拢,无毛;叶柄长约5毫米,无毛;托叶肾形有圆齿,长1厘米,宽1.5-2厘米。花3-5朵簇生,花梗短或近于无梗,无毛;花直径2.5-4厘米;萼筒钟状,外面无毛;萼片卵形,稀半圆形,长4-5毫米,比萼筒约短一半,先端急尖或圆钝,边缘有不显明锯齿,外面无毛,内面基部有褐色短柔毛和睫毛;花瓣倒卵形或近圆形,基部延伸成短爪,长约2厘米,宽约1.5厘米,砖红色;雄蕊40-60,长约花瓣之半;花柱5,基部合生,无毛,柱头头状,有不显明分裂,约与雄蕊等长。果实近球形,直径3-4毫米,黄色,萼片脱落。花期3-6月,果期8-10月。
分布(Distribution):原产日本,我国中北部有栽培。
用途(Use):
引自中国植物志英文版:FOC Vol. 9 Page 173     
Chaenomeles japonica (Thunberg) Lindley ex Spach, Hist. Nat. Vég. 2: 159. 1834.
日本木瓜 ri ben mu gua| Rosaceae  | Chaenomeles
Pyrus japonica Thunberg, Nova Acta Regiae Soc. Sci. Upsal. 3: 208. 1780; Chaenomeles maulei (Masters) C. K. Schneider; Cydonia japonica (Thunberg) Persoon; Pyrus maulei Masters.
Shrubs to 1 m tall, with slender thorns. Branches spreading; branchlets purple when young, blackish brown when old, terete, scabrous and tomentose when young, verruculose, and glabrous when old; buds purple, triangular-ovate, glabrous, apex acute. Stipules reniform, ca. 1 cm, herbaceous, glabrous, margin serrate, apex obtuse; petiole ca. 5 mm, glabrous; leaf blade obovate or spatulate to broadly ovate, 3–5 × 2–3 cm, glabrous, base cuneate or broadly cuneate, margin crenate, apex obtuse or acute. Pedicel short or nearly absent, glabrous. Flowers 3–5-fascicled, 2.5–4 cm in diam. Hypanthium campanulate, abaxially glabrous. Sepals ovate, rarely suborbicular, 4–5 mm, abaxially glabrous, adaxially and margin brown pubescent. Petals dark red, obovate or suborbicular. Stamens 40–60, ca. 1/2 as long as petals. Styles ca. as long as stamens, connate at base, glabrous. Pome yellow, subglobose, 3–4 cm in diam.; sepals caducous; fruiting pedicel short or nearly absent. Fl. Mar–Jun, fr. Aug–Oct.
Cultivated. Fujian, Hubei, Jiangsu, Shaanxi, Zhejiang [native to Japan].



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