绒毛石楠
分类:植物科普
绒毛石楠 Photinia schneideriana Rehd. et Wils.
绒毛石楠花期
绒毛石楠花期凋谢
绒毛石楠叶片背面
绒毛石楠果期
灌木或小乔木，高达7米；幼枝有稀疏长柔毛，以后脱落近无毛，一年生枝紫褐色，老时带灰褐色，具梭形皮孔；冬芽卵形，先端急尖，鳞片深褐色，无毛。叶片长圆披针形或长椭圆形，长6-11厘米，宽2-5.5厘米，先端渐尖，基部宽楔形，边缘有锐锯齿，上面初疏生长柔毛，以后脱落，下面永被稀疏绒毛，侧脉10-15对，微凸起；叶柄长6-10毫米，初被柔毛，以后脱落。花多数，成顶生复伞房花序，直径5-7厘米；总花梗和分枝疏生长柔毛；花梗长3-8毫米，无毛；萼筒杯状，长4毫米，外面无毛；萼片直立、开展，圆形，长约1毫米，先端具短尖头，内面上部有疏柔毛；花瓣白色，近圆形，直径约4毫米，先端钝，无毛，基部有短爪；雄蕊20，约和花瓣等长；花柱2-3，基部连合，子房顶端有柔毛。果实卵形，长10毫米，直径约8毫米，带红色，无毛，有小疣点，顶端具宿存萼片；种子2-3，卵形，长5-6毫米，两端尖，黑褐色。花期5月，果期10月。
产浙江、江西、湖南、湖北、四川、贵州、福建、广东。生于海拔1000-1500米山坡疏林中。模式标本采自湖北长阳。
本种和中华石楠 P. beauverdiana Schneid. 极相近，或可作为后者的毛叶变种，幼枝和总花梗有柔毛，叶片长圆披针形或长椭圆形，下面永具绒毛，可和后者区别。
Shrubs or small trees, deciduous, to 7 m tall. Branchlets purplish brown when young, grayish brown when old, initially sparsely villous, subglabrous when old, with prominent brownish fusiform lenticels; buds broadly ovoid, 2–4 mm, apex acute; scales dark brown, glabrous or margin puberulous. Petiole 6–10 mm, initially villous, glabrescent; leaf blade oblong or oblong-elliptic to oblong-lanceolate, 6–11 × 2–5.5 cm, veins 10–15 pairs, slightly raised abaxially, abaxially yellowish gray tomentose, adaxially initially sparsely villous, glabrescent, base broadly cuneate, margin sharply serrate, apex acuminate. Compound corymbs terminal, (3–)5–8 × 5–11 cm, many flowered; rachis and pedicels glabrous or sparsely villous, glabrescent, with brownish lenticels in fruit; bracts linear or lanceolate, 2–4 mm, puberulous. Pedicel 3–8 mm. Hypanthium cupular, 3–4 mm, abaxially sparsely villous, later subglabrous or glabrous. Sepals spreading, suborbicular, 1–1.5 mm, apex abruptly pointed. Petals white, suborbicular, 4–5 mm in diam., glabrous or adaxially villous at base, base shortly clawed, apex obtuse. Stamens 20, nearly as long as petals. Ovary pilose apically; styles 2 or 3, not exceeding stamens, basally connate. Fruit reddish, obovoid or obovoid-ellipsoid, 7–10 × 6–8 mm, glabrous, minutely lenticellate; seeds blackish brown, ovoid, 5–6 mm, apex acute. Fl. Apr–May, fr. Sep–Oct.
Forests, river valleys, near water courses, fields; 400--1600 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Sichuan, Taiwan, Zhejiang.
