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FOC | Family List | FOC Vol. 9 | Rosaceae | Photinia

25. Photinia callosa Chun ex T. T. Yü & K. C. Kuan, Acta Phytotax. Sin. 8: 229. 1963.

厚齿石楠 hou chi shi nan

Shrubs or trees, deciduous, to 12 m tall. Branchlets grayish brown to blackish brown, glabrous, with few yellow lenticels; buds ovoid, 2–3 mm; scales brown, glabrous. Petiole 0.5–1.5 cm, glabrous; leaf blade lanceolate or oblong-lanceolate, 5.5–13 × 1.5–3.5 cm, papery, veins 12–16 pairs, midvein prominently raised abaxially and impressed adaxially, both surfaces glabrous, base cuneate, margin slightly revolute, shallowly sharply serrate, sometimes subentire, apex caudate or acuminate. Compound corymbs terminal, 4–6 cm in diam., many flowered; rachis and pedicels glabrous, lenticellate. Pedicel 3–7 mm. Flowers 6–9 mm in diam. Hypanthium campanulate, 1–2 mm, abaxially glabrous. Sepals ovate, ca. 1/2 as long as hypanthium, apex obtuse. Petals white, obovate-oblong, 2–3 mm, glabrous, base shortly clawed, apex obtuse. Stamens 20, slightly shorter than petals. Styles 2 or 3, mostly connate, glabrous. Fruit ovoid-globose, 4–6 × 3–4 mm, glabrous; fruiting pedicels 5–9 mm, with distinct lenticels; seeds black, ovoid, ca. 4 mm. Fl. Apr–May, fr. Aug–Sep.

2Sparse forests in mountain valleys, slopes; 400--800 m. Guangdong, Guangxi.


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