圆锥绣球
分类:植物科普
圆锥绣球 Hydrangea paniculate Sieb. 
         灌木或小乔木,高1-5米,有时达9米,胸径约20厘米;枝暗红褐色或灰褐色,初时被疏柔毛,后变无毛,具凹条纹和圆形浅色皮孔。叶纸质,2-3片对生或轮生,卵形或椭圆形,长5-14厘米,宽2-6.5厘米,先端渐尖或急尖,具短尖头,基部圆形或阔楔形,边缘有密集稍内弯的小锯齿,上面无毛或有稀疏糙伏毛,下面于叶脉和侧脉上被紧贴长柔毛;侧脉6-7对,上部微弯,小脉稠密网状,下面明显;叶柄长1-3厘米。圆锥状聚伞花序尖塔形,长达26厘米,序轴及分枝密被短柔毛;不育花较多,白色;萼片4,阔椭圆形或近圆形,不等大,结果时长1-1.8厘米,宽0.8-1.4厘米,先端圆或微凹,全缘;孕性花萼筒陀螺状,长约1.1毫米,萼齿短三角形,长约1毫米,花瓣白色,卵形或卵状披针形,长2.5-3毫米,渐尖;雄蕊不等长,长的长达4.5毫米,短的略短于花瓣,花药近圆形,长约0.5毫米;子房半下位,花柱3,钻状,长约1毫米,直,基部连合,柱头小,头状。蒴果椭圆形,不连花柱长4-5.5毫米,宽3-3.5毫米,顶端突出部分圆锥形,其长约等于萼筒;种子褐色,扁平,具纵脉纹,轮廓纺锤形,两端具翅,连翅长2.5-3.5毫米,其中翅长0.8-1.2毫米,先端的翅稍宽。花期7-8月,果期10-11月。
           产西北(甘肃)、华东、华中、华南、西南等地区。生于山谷、山坡疏林下或山脊灌丛中,海拔360-2100米。日本也有分布。 
          Shrubs or small trees, 1-5 m tall. Branchlets dark brown to gray-brown, pilose, glabrescent, with orbicular lenticels. Leaves 2-opposite or 3-verticillate; petiole 1-3 cm; leaf blade ovate to elliptic, 5-14 × 6-6.5 cm, papery, abaxially appressed villous along veins, adaxially glabrous or sparsely strigose, secondary veins 6 or 7 on both sides of midvein, erect proximally, base rounded to broadly cuneate, margin serrulate, apex acute to acuminate. Inflorescences paniculate cymes, pyramidal, to 26 cm; peduncle and branches densely pubescent. Sterile flowers with sepals 4, white, broadly elliptic to suborbicular, unequal, 1-1.8 × 0.8-1.4 cm in fruit, margin entire. Fertile flowers with calyx tube turbinate, ca. 1.1 mm; teeth triangular, ca. 1 mm. Petals white, ovate to ovate-lanceolate, 2.5-3 mm. Stamens unequal, longer ones ca. 4.5 mm, others slightly shorter than petals; anthers subglobose, ca. 0.5 mm. Ovary ca. 1/2 superior. Styles 3, subulate, ca. 1 mm; stigmas capitate, small. Capsule ellipsoid, 3-3.5 mm in diam., projected apical part conical, 2-2.7 mm, equaling calyx tube. Seeds brown, fusiform, compressed, narrowly winged at both ends; wings 2.5-3 mm; seed coat striate veined. Fl. Jul-Aug, fr. Oct-Nov.
            Sparse forests or thickets in valleys or on mountain slopes or tops; 300-2100 m. Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Sichuan, Yunnan, Zhejiang [Japan, Russia (Sakhalin)].

圆锥绣球花期

圆锥绣球果期

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