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华北绣线菊Spiraea fritschiana

时间:2013-11-06 14:48来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 华北绣线菊 学名( Scientific Name ): Spiraea fritschiana Schneid. 英文名( English Common Name ): 别名( Chinese Common Name ): 弗氏绣线菊 异名( Synonym ): Spiraea fritschiana var. villosa Y. Q. Zhu et D
中文名(Chinese Name):华北绣线菊
学名(Scientific Name):Spiraea fritschiana Schneid.
英文名(English Common Name):
别名(Chinese Common Name):弗氏绣线菊
异名(Synonym):Spiraea fritschiana var. villosa Y. Q. Zhu et D. K. Zang
科属(Family & Genus):蔷薇科(Rosaceae)绣线菊属
形态特征(Description):灌木,高1-2米;枝条粗壮,小枝具明显稜角,有光泽,嫩枝无毛或具稀疏短柔毛,紫褐色至浅褐色;冬芽卵形,先端渐尖或急尖,有数枚外露褐色鳞片,幼时具稀疏短柔毛。叶片卵形、椭圆卵形或椭圆长圆形,长3-8厘米,宽1.5-3.5厘米,先端急尖或渐尖,基部宽楔形,边缘有不整齐重锯齿或单锯齿,上面深绿色,无毛,稀沿叶脉有稀疏短柔毛,下面浅绿色,具短柔毛;叶柄长2-5毫米,幼时具短柔毛。复伞房花序顶生于当年生直立新枝上,多花,无毛;花梗长4-7毫米;苞片披针形或线形,微被短柔毛;花直径5-6毫米;萼筒钟状,内面密被短柔毛;萼片三角形,先端急尖,内面近先端有短柔毛;花瓣卵形,先端圆钝,长2-3毫米,宽2-2.5毫米,白色,在芽中呈粉红色;雄蕊25-30,长于花瓣;花盘圆环状,约有8-10个大小不等的裂片,裂片先端微凹;子房具短柔毛,花柱短于雄蕊。蓇葖果几直立,开张,无毛或仅沿腹缝有短柔毛,花柱顶生,直立或稍倾斜,常具反折萼片。花期6月,果期7-8月。
分布(Distribution):产河南、陕西、山东、江苏、浙江,生海拔100-1000米岩石坡地、山谷丛林间。朝鲜也有。
用途(Use):
引自中国植物志英文版:FOC Vol. 9 Page 53      
Spiraea fritschiana C. K. Schneider, Bull. Herb. Boissier, sér. 2. 5: 347. 1905.
华北绣线菊 hua bei xiu xian ju| Rosaceae  | Spiraea
Shrubs 1–2 m tall. Branchlets purple-brown to brownish, lustrous, robust, conspicuously angled, glabrous or sparsely pubescent when young, later glabrescent; buds ovoid, 5–6 mm, with several brown scales, sparsely pubescent when young, apex acuminate or acute. Petiole 2–5 mm, pubescent initially, later glabrescent; leaf blade pale green abaxially, dark green adaxially, ovate, elliptic-ovate, or elliptic-oblong, 1.5–8 × 1.0–3.5 cm, pubescent abaxially, glabrous adaxially, rarely sparsely pubescent on veins, base broadly cuneate, margin irregularly doubly or singly serrate, apex acute or acuminate. Corymbs terminal on erect, long, leafy shoots of current year, compound, 5–8 × 6–10 cm, numerous flowered; rachis and pedicels glabrous; pedicels 4–7 mm; bracts lanceolate or linear, 4–7 mm, puberulous. Flowers 5–6 mm in diam. Hypanthium campanulate, glabrous abaxially. Sepals triangular, 1.5–2 mm, about as broad as long, reflexed in fruit, apex acute. Petals white, pinkish in bud, ovate, 2–4 × 2–2.5 mm, glabrous, apex obtuse. Stamens 25–30, longer than petals. Disk annular, with 8–10 unequal, emarginate lobes. Carpels pubescent; styles shorter than stamens. Follicles suberect, spreading, glabrous or pubescent only on adaxial suture; styles terminal, erect or slightly divergent. Fl. May–Jun, Fr. Aug–Sep.
Forests, forest margins, cliffs, slopes, rocky places; 100--2400 m. Anhui, Gansu, Hebei, Heilongjiang, Henan, Hubei, Jiangsu, Jiangxi, Liaoning, Shaanxi, Shandong, Shanxi, Sichuan, Zhejiang.


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