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FOC | Family List | FOC Vol. 8 | Saxifragaceae | Philadelphus

4. Philadelphus schrenkii Ruprecht, Bull. Cl. Phys.-Math. Acad. Imp. Sci. Saint-Pétersbourg. 15: 365. 1857.

东北山梅花 dong bei shan mei hua

Shrubs 2-4 m tall. Branchlets of previous year grayish brown or gray, glabrous, those of current year brown, villous. Petiole 3-10 mm; leaf blade ovate or elliptic-ovate, 7-13 × 4-7 cm on vegetative shoots, 4.5-7.5 × 1.5-4 cm on flowering shoots, abaxially villous along veins, adaxially glabrous, veins 3-5, basifugal, base cuneate or broadly so, margin serrate, apex acuminate. Racemes 5-7-flowered; rachis yellowish green, 2-5 cm, sparsely villous; pedicels 6-12 mm. Calyx yellowish green when dry; tube sparsely pubescent; lobes ovate, 4-7 mm, conspicuously veined. Corolla discoid; petals white, obovate or oblong-obovate, 1(-1.8) × (0.7-)1.2 cm, glabrous. Stamens 25-30, longest ones ca. 1 cm. Disc subconcave. Style divided for 1/2 its length or more, hirtellous; stigmas mallet-shaped, 1-1.5 mm, shorter than anthers. Capsule ellipsoid, 8-9.5 × 3.5-4.5 mm. Seeds 2-2.5, shortly tailed. Fl. Jun-Jul, fr. Aug-Oct.

Mixed forests; 100-1500 m. Hebei, Heilongjiang, Jilin, Liaoning, Shaanxi [Korea, SE Russia].

1 Leaf blade broadly ovate, base rounded, apex acute   4c var. mandshuricus
+ Leaf blade ovate or elliptic-ovate, base cuneate or broadly so, apex acute or acuminate.   (2)
2 (1) Calyx tube moderately villous   4a var. schrenkii
+ Calyx tube with tufted hairs only between lobes   4b var. jackii

Lower Taxa


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