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花楸Sorbus pohuashanensis

时间:2013-11-07 14:08来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):花楸 学名( Scientific Name ): Sorbus pohuashanensis (Hance) Hedl. 英文名( English Common Name ): 别名( Chinese Common Name ): 花楸树 异名( Synonym ): Pyrus pohuashanensis Hance Sorbus manshuriensis Kit
中文名(Chinese Name):花楸
学名(Scientific Name):Sorbus pohuashanensis (Hance) Hedl.
英文名(English Common Name):
别名(Chinese Common Name):花楸树
异名(Synonym):Pyrus pohuashanensis Hance  Sorbus manshuriensis Kitag.  Sorbus pohuashanensis var. amurensis (Koehne) Y. L. Chou et S. L. Tung  Sorbus pohuashanensis var. manshuriensis (Kitag.) Y. C. Zhu  Sorbus taishanensis F. Z. Li et X. D. Chen  Sorbus amurensis Koehne
科属(Family & Genus):蔷薇科(Rosaceae)花楸属
形态特征(Description):乔木,高达8米;小枝粗壮,圆柱形,灰褐色,具灰白色细小皮孔,嫩枝具绒毛,逐渐脱落,老时无毛;冬芽长大,长圆卵形,先端渐尖,具数枚红褐色鳞片,外面密被灰白色绒毛。奇数羽状复叶,连叶柄在内长12-20厘米,叶柄长2.5-5厘米;小叶片5-7对,间隔1-2.5厘米,基部和顶部的小叶片常稍小,卵状披针形或椭圆披针形,长3-5厘米,宽1.4-1.8厘米,先端急尖或短渐尖,基部偏斜圆形,边缘有细锐锯齿,基部或中部以下近于全缘,上面具稀疏绒毛或近于无毛,下面苍白色,有稀疏或较密集绒毛,间或无毛,侧脉9-16对,在叶边稍弯曲,下面中脉显著突起;叶轴有白色绒毛,老时近于无毛;托叶草质,宿存,宽卵形,有粗锐锯齿。复伞房花序具多数密集花朵,总花梗和花梗均密被白色绒毛,成长时逐渐脱落;花梗长3-4毫米;花直径6-8毫米;萼筒钟状,外面有绒毛或近无毛,内面有绒毛;萼片三角形,先端急尖,内外两面均具绒毛;花瓣宽卵形或近圆形,长3.5-5毫米,宽3-4毫米,先端圆钝,白色,内面微具短柔毛;雄蕊20,几与花瓣等长;花柱3,基部具短柔毛,较雄蕊短。果实近球形,直径6-8毫米,红色或桔红色,具宿存闭合萼片。花期6月,果期9-10月。
分布(Distribution):产东北、内蒙古、河北、山西、甘肃、山东,生于海拔900-2500米山坡或山谷杂木林内。
用途(Use):木材可做家具,花叶美丽,入秋红果累累,有观赏价值。果可制酱酿酒及入药。
引自中国植物志英文版:FOC Vol. 9 Page 150     
Sorbus pohuashanensis (Hance) Hedlund, Kongl. Svenska Vetenskapsakad. Handl. 35: 33. 1901.
花楸树 hua qiu shu| Rosaceae  | Sorbus
Pyrus pohuashanensis Hance, J. Bot. 13: 132. 1875; Sorbus amurensis Koehne; S. manshuriensis Kitagawa; S. pohuashanensis var. amurensis (Koehne) Y. L. Chou & S. L. Tung; S. pohuashanensis var. manshuriensis (Kitagawa) Y. C. Zhu; S. taishanensis F. Z. Li & X. D. Chen.
Trees to 8 m tall. Branchlets brown or purplish brown to grayish brown, tomentose-villous when young, gradually glabrescent, with small grayish white lenticels; buds oblong-ovoid, 0.8–1.2 cm × 5–7 mm, apex acuminate; scales several, reddish brown, densely gray tomentose-villous. Leaves imparipinnate, together with rachis 10–20 cm; petiole 2.5–5 cm; stipules broadly ovate or semiorbicular, 5–10 × 5–12 mm, margin coarsely sharply serrate; rachis slightly winged, sulcate, tomentose-villous, subglabrous when old; leaflets 5–7-paired, at intervals of 1–2.5 cm, terminal and basal ones usually smaller than others, blade ovate-lanceolate or elliptic-lanceolate, 3–5 × 1.4–1.8 cm, lateral veins 9–16 pairs, slightly arcuate-anastomosing at margin, abaxially pale, tomentose-villous when young, subglabrous or tomentose-villous only along midvein when old, adaxially sparsely tomentose-villous or glabrous, base obliquely rounded, margin minutely sharply serrate, nearly entire basally, apex acute or shortly acuminate. Inflorescences terminal, 8–12 × 10–15 cm, densely flowered; rachis and pedicels tomentose-villous, subglabrous or glabrous when old; bracts ovate, smaller than stipules, sharply serrate, rarely entire. Pedicel 3–4 mm. Flowers 5–8 mm in diam. Hypanthium campanulate, abaxially tomentose-villous or subglabrous. Sepals triangular, 1.5–2.5 × 1–2 mm, glabrous or subglabrous, apex acute. Petals white, broadly ovate or suborbicular, 3.5–5 × 3–4 mm, adaxially puberulous, apex obtuse. Stamens 20, nearly as long as petals. Styles 3(or 4), not exceeding stamens, pubescent basally. Fruit red or orangish red, 6–8 mm in diam., glabrous when mature; sepals persistent. Fl. Jun, fr. Sep–Oct. 2n = 34*.
Mountain slopes, mixed forests in valleys; 900--2500 m. Gansu, Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol, Shaanxi, Shandong, Shanxi.
 




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