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

19. Photinia prionophylla (Franchet) C. K. Schneider, Repert. Spec. Nov. Regni Veg. 3: 153. 1906.

刺叶石楠 ci ye shi nan

Shrubs or small trees, evergreen, 1–3 m tall, tomentose throughout or glabrescent. Branchlets brownish to reddish brown when young, grayish brown to grayish black when old, terete, initially short tomentose, glabrous when old; buds ovoid, apex acute; scales brownish, shortly gray tomentose. Petiole 6–15 mm, stout, gray tomentose; stipules subulate or acicular-linear, sparsely tomentose, margin with red glands; leaf blade obovate or elliptic-obovate, 4.5–7 × 4–5 cm, leathery, veins 10–14 pairs, midvein raised abaxially and impressed adaxially, abaxially densely gray tomentose, adaxially initially sparsely tomentose, glabrescent, base narrowly cuneate, margin spiny-serrate, apex obtuse or acute to acuminate. Compound corymbs terminal, 4–8 × 6–10 cm, many flowered; rachis and pedicels densely tomentose; bracts subulate, 2–2.5 mm. Pedicel 2–4 mm. Flowers 7–9 mm in diam. Hypanthium cupular, 2–3 mm, abaxially densely tomentose. Sepals triangular, 1–2 mm, margin with black glands, apex acute or obtuse. Petals white, suborbicular, 3–4 mm in diam., adaxially tomentose. Stamens 20, slightly shorter than or nearly as long as petals. Ovary densely long tomentose; styles 2, connate toward base, somewhat not exceeding stamens. Fruit red, ovoid or obovoid, 6–8 mm in diam., initially tomentose, glabrescent. Fl. May, fr. Sep–Nov.

Sunny rocky slopes, near water courses, thickets, roadsides, mixed forests; 1800--3000 m. Yunnan.

1 Plant tomentose throughout.   19a var. prionophylla
+ Plant glabrous when mature.   19b var. nudifolia

Lower Taxa


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