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

1. Osteomeles anthyllidifolia (Smith) Lindley, Trans. Linn. Soc. London, Bot. 13: 99. 1821.

小石积 xiao shi ji

Pyrus anthyllidifolia Smith in Rees, Cycl. 29: Pyrus n. 29. 1819.

Shrubs 1–3 m tall. Branchlets reddish brown or purplish brown, terete, slender, initially pubescent, glabrescent; buds not seen. Leaves with 7–15 pairs of leaflets; stipules caducous, lanceolate, membranous; petiole 1–1.5 cm, pubescent; petiolule very short or absent; leaflet blade obovate or obovate-oblong, 1–1.5 cm × 3–5 mm, both surfaces pubescent, abaxially densely so, base broadly cuneate to subrounded, margin entire, apex obtuse, emarginate or mucronulate. Corymb 2–3 cm in diam., numerous flowered; peduncle pubescent; bracts caducous, lanceolate, membranous, pubescent. Pedicel 5–8 mm, pubescent. Flowers ca. 1 cm in diam. Hypanthium campanulate, abaxially pubescent. Sepals triangular-lanceolate, abaxially densely pubescent, adaxially sparsely pubescent, margin entire, apex acuminate. Petals spatulate, 5–7 × 3–4 mm. Stamens 20. Styles nearly as long as stamens, villous basally. Pome blackish brown, ellipsoidal or oblong, ca. 1 cm; fruiting pedicel ca. 8 mm, pubescent; sepals persistent, erect. Fl. Apr–May, fr. Aug.

Coral rocks near sea; near sea level. Taiwan (Hongtou Yu, Lan Yu) [Japan (Ryukyu Islands)].


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