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FOC | Family List | FOC Vol. 15 | Oleaceae | Forsythia

4. Forsythia mandschurica Uyeki, J. Chosen Nat. Hist. Soc. 9: 21. 1929.

东北连翘 dong bei lian qiao

Rangium mandshuricum (Uyeki) Uyeki & Kitagawa.

Shrubs ca. 1.5 m. Branchlets green at first, becoming gray- yellow, spreading, glabrous; pith lamellate. Leaves simple; petiole 5-13 mm, pilose or glabrescent; leaf blade broadly ovate, elliptic, or suborbicular, 5-12 × 3-7 cm, papery, adaxially glabrous, abaxially pilose, base broadly cuneate, subtruncate to subrounded, margin serrate or dentate, apex caudate-acuminate or obtuse. Flowers solitary in leaf axils. Pedicel ca. 5 mm. Calyx lobes ovate-orbicular, 2-3 mm, ciliate. Corolla yellow; tube ca. 5 mm; lobes lanceolate, ca. 1.5 cm, obtuse or retuse. Stamens 2-3 mm. Pistil 3.5-5 mm. Capsule long ovoid, 7-10 × 4-5 mm, obscurely lenticellate; stalk ca. 5 mm. 2n = 42. Fl. May, fr. Sep.

* Slopes. Liaoning (Jiguan Shan)

Forsythia mandschurica is a triploid hybrid that produces abortive seeds. One of its putative parents is probably F. ovata Nakai.


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