栏目

台湾石楠Photinia lucida (Dcne.) Schneid.

台湾石楠Photinia lucida (Dcne.) Schneid.

别名:虾尾;

科名:蔷薇科 Rosaceae

属名:石楠属 Photinia

《中国植物志》第36卷245页
  24. 台湾石楠
  Photinia lucida (Dcne.) Schneid. Ill. Handb. Laubh. 1: 710. 1906 & in Fedde, Repert. Sp. Nov. 3: 154. 1906; Hayata, Ic. Pl. Formos. 5: 68. 1915; Card. in Bull. Mus. Hist. Nat. Paris 26: 570. 1920; Li in Lloydia 14: 232. 1951; Liu, Ill. Nat. Intr. Lign. Pl. Taiwan 1: 437. f. 371. 1960; Li, Woody Fl. Taiwan 279. f. 103. 1963; 中国高等植物图鉴2: 212. 图2154. 1972.——Pourthiaea lucida Dcne. in Nouv. Arch. Mus. Nat. Paris 10: 148. 1784; Nakai in Bot. Mag. Tokyo 30: 24. 1916; Shimizu in Acta Phytotax. Geobot. 21: 22. f. 2A. 1964. ——Photinia villosa var. formosana Hance in Ann. Sci. Nat. ser. 5. 5: 212. 1766.——Photinia taiwanensis Hayata in Journ. Coll. Sci. Univ. Tokyo 30 (1): 104. 1911. p. p. & Ic. Pl. Formos. 1: 247. t. 31. 1911; Koidz. in Journ. Coll. Sci. Univ. Tokyo 34 (2): 60. 1913; Kanehira, Formos. Trees 266. f. 212. 1936.——Pourthiaea benthamiana Nakai, Bot. Mag. Tokyo 30: 24. 1916. p. p. ——Pourthiaea formosana (Hance) Koidz. in Acta Phytotax. Geobot. 3: 147. 1934. cum syn. Photinia formosana (Hance) Koidz. ——Photinia variabilis auct. non Hemsl. 1887: Matsum. & Hayata in Journ. Coll. Sci. Univ. Tokyo 22: 180. 1906.
  落叶小乔木;小枝幼时有白色柔毛,以后脱落无毛,灰褐色或紫褐色,具微细皮孔。叶片纸质,倒卵状长圆形或倒卵状披针形,长5-9厘米,宽2-3厘米,先端尾尖,基部渐狭成楔形,边缘有疏生细锯齿,近基部全缘,两面无毛,侧脉6-8对;叶柄长3-7毫米,无毛。伞房花序顶生,直径4-6厘米;总花梗和花梗无毛,花梗长5-10毫米;苞片和小苞片钻形,长2-3毫米,无毛;花直径7-10毫米;萼筒杯状,长2-3毫米,无毛;萼片三角形,长1毫米,先端急尖,无毛;花瓣白色,圆形,直径3.5毫米,先端钝,有时微缺,基部具短爪,内面有柔毛;雄蕊20,较花瓣稍长;花柱2-3,合生或先端微分离,基部有柔毛。果实椭圆形,长5-6毫米,直径3-4毫米,红色,无毛;果梗长1.5-2.5厘米,密被疣点。花期4月,果期8月。
  产台湾。生于低海拔山坡阔叶林中。
  本种与中华石楠 P. beauverdiana Schneid. 原变种相近,但后者叶片先端突渐尖,基部近圆形或楔形,侧脉对数较多,9-14对;花柱3,离生仅基部合生;果实卵形,果梗稍短,可以区别。本种与闽粤石楠 P. benthamiana Hance 的区别,在于本种叶片先端尾尖,叶柄无毛,总花梗和花梗无毛,果实较大且无毛。
形态特征:落叶小乔木;小枝幼时有白色柔毛,以后脱落无毛,灰褐色或紫褐色,具微细皮 孔。叶片纸质,倒卵状长圆形或倒卵状披针形,长5—9厘米,宽2—3厘米,先端尾 尖,基部渐狭成楔形,边缘有疏生细锯齿,近基部全缘,两面无毛,侧脉6—8对;叶柄 长3--7毫米,无毛。伞房花序顶生,直径4—6厘米;总花梗和花梗无毛;花梗长 5--10毫米;苞片和小苞片钻形,长2—3毫米,无毛;花直径7--10毫米;萼筒杯状, 长2—3毫米,无毛;萼片三角形,长1毫米,先端急尖,无毛;花瓣白色,圆形,直径3.5 毫米,先端钝,有时微缺,基部具短爪,内面有柔毛;雄蕊20,较花瓣稍长;花柱2—3, 合生或先端微分离,基部有柔毛。果实椭圆形,长5—6毫米,直径3—4毫米,红色, 无毛;果梗长1.5—2.5厘米;密被疣点。 花期4月,果期8月。
产地分布:产台湾。生于低海拔山坡阔叶林中。
本种提示:本种与中华石楠P.beauverdiana Schneid.原变种相近,但后者叶片先端突渐尖, 基部近圆形或楔形,侧脉对数较多,9—14对;花柱3,离生仅基部合生;果实卵形,果 梗稍短,可以区别。本种与闽粤石楠P.Benthamlana Hance 的区别;在于本种叶片先 端尾尖,叶柄无毛,总花梗和花梗无毛,果实较大且无毛。
参考文献:Photinia lucida(Dcne.)Schneid.Ill.Handb.Laubh.1:710.1906 & in Fedde, Repert.Sp.Nov.3:154.1906;Hayata,Ic.Pl. Formos.5:68.1915;Card.In Bull. Mus.Hist.Nat.Paris 26:570.1920;Li in Lloydia 14:232.1951;Liu,Ill.Nat. Intr.Lign.P1.Taiwan 1:437.F.371.1960;Li,Woody F1.Taiwan 279.F.103.1963; 中国高等植物图鉴2:212.图2154.1972.----Pourthlaea lucida Dcne.In Nouv. Arch.Mus.Nat.Paris 10:148.1784;Nakai in Bot.Mag.Tokyo 30:24.1916;Shimi2u ln Acta Phytotax.Geobot.21:22.F.2A.1964.----Photlnia villosa var.Formosana Hance in Ann.Sci.Nat.Ser.5.5:212.1766.----Photinia taiwanensis Hayata in Journ. Coll.Scl Univ.Tokyo 30(1):104.1911.P.P.& Ic.Pl.Formos.1:247.T.31.1911; Koidz.In Journ.Coll.Sd.Univ.Tokyo 34(2):60.1913;Kanehira,Formos.Trees 266.F.212.1936.---Pourthiaea benthamiana Nakai,Bot.Mag.Tokyo 30:24.1916. P.p.----Pourthiaea formosana(Hance)Koidz.In Acta.Phytotax.Geobot.3:147.1934. Cum syn.Photinia formosana(Hance)Koidz.----Photinia variabilis auct.Non Hemsl. 1887:Matsum.& Hayata in Journ.Coll.Sci.Unlv.Tokyo 22:180.;1906.

《Flora of China》 Vol. 9 (2003)
Photinia lucida  (Decaisne) C. K. Schneider
台湾石楠   tai wan shi nan
Pourthiaea lucida Decaisne, Nouv. Arch. Mus. Hist. Nat. 10: 148. 1874; Photinia villosa (Thunberg) Candolle var. formosana Hance; Pourthiaea formosana (Hance) Koidzumi.
Trees deciduous, small, 4–5(–6) m tall. Branchlets reddish brown when young, grayish brown or purplish brown when old, terete, gray pubescent when young, glabrous when old, with oblong lenticels; buds ovoid, 2–4 mm, puberulous, apex acute or ± obtuse; scales several, dark brown. Petiole 3–7 mm, glabrous; leaf blade obovate-oblong or obovate-lanceolate, 5–9 × 2–3 cm, papery, veins 6–8 pairs, both surfaces glabrous, base gradually attenuate, margin sparsely minutely serrate, entire toward base, apex caudate. Compound corymbs terminal, 3–6 × 4–6 cm, many flowered; rachis and pedicels glabrous or slightly pubescent when young, glabrate. Pedicel 5–10 mm, to 2.5 cm in fruit, with a pair of subulate bracts 2–3 mm at base. Flowers 7–10 mm. Hypanthium cupular, 2–2.5 mm, abaxially glabrous. Sepals triangular, 1–1.5 mm, apex acute. Petals white, orbicular or broadly obovate, 3–3.5 mm in diam., base shortly clawed and pilose, apex obtuse, sometimes emarginate. Stamens 15–20, unequal in length. Styles 2 or 3, connate, only free apically, pilose basally, not exceeding stamens. Fruit dark red, obovoid or obovoid-ellipsoid, 5–8 × 3–6 mm, glabrous, with dense, suborbicular lenticels. Fl. Apr–May, fr. Aug–Sep.
Broad-leaved forests, thickets; 300--400 m. Taiwan.

TOP