栏目

球花石楠Photinia glomerata Rehd. et Wils.

球花石楠Photinia glomerata Rehd. et Wils.

别名:

科名:蔷薇科 Rosaceae

属名:石楠属 Photinia

《中国植物志》第36卷229页
  7. 球花石楠 图版28:10-14
  Photinia glomerata Rehd. & Wils. in Sarg. Pl. Wils. 1: 190. 1912; Hand. -Mazz. Symb. Sin. 7: 478. 1933; Vidal in Adansonia 5: 226. 1965; 中国高等植物图鉴2: 209.图2148. 1972.——Eriobotrya griffithii Franch. Pl. Delav. 224. 1889. non Photinia griffithii Dcne. ——P. franchetiana Diels in Not. Bot. Gard. Edinb. 5: 272. 1912; Hand. -Mazz. Symb. Sin. 7: 478. 1933.——P. serrulata Lindl. var. congestiflora Card, in Lecomte, Not. Syst. 3: 373. 1918. ——P. glomerata Rehd. & Wils. var. cuneata Yu & var. microphylla Yu, 植物分类学报8: 227. 1963.
  常绿灌木或小乔木,高6-10米;幼枝密生黄色绒毛,老枝无毛,紫褐色,有多数散生皮孔;冬芽卵形,长3-4毫米,鳞片先端圆钝,外面有短柔毛。叶片革质,长圆形、披针形、倒披针形或长圆披针形,长 (5-) 6-18厘米,宽2.5-6厘米,先端短渐尖,基部楔形至圆形,常偏斜,边缘微外卷,有具腺内弯锯齿,上面中脉初有绒毛,以后脱落,下面密生黄色绒毛,以后部分或全部脱落,侧脉12-20对;叶柄长2-4厘米,初密生绒毛,后几无毛。花多数,密集成顶生复伞房花序,直径6-10厘米,总花梗数次分枝,花近无梗;总花梗、花梗和萼筒外面皆密生黄色绒毛;花直径约4毫米,芳香;萼筒杯状,长1毫米;萼片卵形,直立,先端急尖,外面有绒毛;花瓣白色,近圆形,直径2-2.5毫米,先端圆钝,内面被疏毛,基部有短爪;雄蕊20,和花瓣约等长;花柱2,合生达中部,子房顶端密生绒毛。果实卵形,长5-7毫米,直径2.5-3毫米,红色。花期5月,果期9月。
  产云南、四川。生于杂木林中,海拔1500-2300米。模式标本采自云南思茅。
  本种叶片形状大小及叶柄长短变化很大,在分类上不重要,而复伞房花序的总花梗数次分枝,花近无梗,总花梗、花梗和萼筒外面皆密生黄色绒毛,为主要特征。
形态特征:常绿灌木或小乔木,高6—10米;幼枝密生黄色绒毛,老枝无毛,紫褐色,有多数散生皮孔;冬芽卵形,长3—4毫米,鳞片先端圆钝,外面有短柔毛。叶片革质,长圆形、披针形、倒披针形或长圆披针形,长(5--)6—18厘米,宽2.5—6厘米,先端短渐尖,基部楔形至圆形,常偏斜,边缘微外卷,有具腺内弯锯齿,上面中脉初有绒毛,以后脱落,下面密生黄色绒毛,以后部分或全部脱落,侧脉12—20对;叶柄长2—4厘米,初密生绒毛,后几无毛。花多数,密集成顶生复伞房花序,直径6—10厘米,总花梗数次分枝,花近无梗;总花梗、花梗和萼筒外面皆密生生黄色绒毛;花直径约4毫米,芳香;萼筒杯状,长1毫米:萼片卵形,直立,先端急尖,外面有绒毛;花瓣白色,近圆形,直径2—2.5毫米,先端圆钝,内面被疏毛,基部有短爪;雄蕊20,和花瓣约等长;花柱2,合生达中部,子房顶端密生绒毛。果实卵形,长5--7毫米,直径2.5—3毫米,红色。 花期5月,果期9月。
产地分布:产云南、四川。生于杂木林中,海拔1500--2300米。模式标本采自云南思茅。
本种提示:本种叶片形状大小及叶柄长短变化很大,在分类上不重要,而复伞房花序的总花梗数次分枝,花近无梗,总花梗;花梗和萼筒外面皆密生黄色绒毛,为主要特征。
参考文献:Photinia glomerata Rehd.& Wils.In Sarg.Pl.Wils.1:190 1912;Hand.—Mazz.Symb.Sin.7:478.1933;Vidal in Adansonia 5:226.1965;中国高等植物图鉴2:209.图2148.1972.----Erlobotrya griffithii Franch.Pl.Delay.224.1889.Non Photiniagriffithii Dcne.---P.franchetiana Diels in Not.Bot.Gard.Edinb. 5:272.1912;Hand.—Mazz.Symb.Sin.7:478.1933.——P.Serkulata Lindl.var.Congestiflora Card,in Lecomte,Not.Syst.3:373.1918.——P.glomerata Rehd.& Wils.Var.Cuneata Yu& var.Microphylla Yu,植物分类学报8:227.1963.

《Flora of China》 Vol. 9 (2003)
Photinia glomerata  Rehder & E. H. Wilson
球花石楠   qiu hua shi nan
Eriobotrya griffithii (Decaisne) Franchet; Photinia franchetiana Diels; P. glomerata Rehder & E. H. Wilson var. cuneata T. T. Yü; P. glomerata var. microphylla T. T. Yü; P. griffithii Decaisne; P. serrulata Lindley var. congestiflora Cardot.
Shrubs or small trees, evergreen, 6–10 m tall. Branchlets purplish brown or grayish brown when old, terete, densely yellow tomentose when young, glabrous when old, with many scattered lenticels; buds ovoid, 3–4 mm, pubescent, apex obtuse; scales dark brown. Petiole 2–4 cm, initially densely tomentose, later subglabrous; leaf blade oblong or lanceolate to oblanceolate, leathery, (5–)6–18 × 2.5–6 cm, lateral veins 12–20 pairs, abaxially densely yellow tomentose, later partly or wholly glabrescent, adaxially initially tomentose along midvein, glabrate, base obliquely cuneate to rounded, margin somewhat revolute, serrate, apex shortly acuminate. Compound corymbs terminal, densely glomerate, 5–10 × 6–12 cm, many flowered; rachis and pedicels densely yellow tomentose. Pedicel nearly absent or very short. Flowers fragrant, 4–5 mm in diam. Hypanthium cupular, 1–1.5 mm, abaxially densely yellow tomentose. Sepals erect, ovate, 1–1.5 mm, apex acute. Petals white, suborbicular, 2–2.5 mm in diam., adaxially pilose near base, base shortly clawed, apex obtuse. Stamens 20, nearly as long as petals. Styles 2, connate nearly to middle, not exceeding stamens. Fruit red, ovoid, 5–7 × 2.5–4 mm, glabrous. Fl. May–Jun, fr. Aug–Sep.
Mixed forests, thickets, roadsides, slopes; 1500--2600 m. Hubei, Sichuan, Yunnan.

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