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

13. Fraxinus stylosa Lingelsheim in Engler, Pflanzenr. IV. 243(Heft 72): 23. 1920.

宿柱梣 shu zhu qin

Fraxinus fallax Lingelsheim; F. fallax var. stylosa (Lingelsheim) Chun & J. L. Wu.

Trees up to 8 m. Branchlets and leaf axis straight and smooth; buds ovoid, dark brown, shiny when dry. Leaves 6-15 cm; petiole 2-5 cm; leaflets 3-5; petiolule 2-3 mm, glabrous; leaflet blade ovate-lanceolate to broadly lanceolate, 3.5-8 x 0.8-2 cm, papery, glabrous or white puberulent along veins abaxially, base broadly cuneate, tapered to petiolule, sometimes blunt, margin serrulate, apex long acuminate; primary veins 8-10 on each side of midrib. Panicles terminal or lateral, 8-10(-14) cm, loose. Flowers appearing after leaves. Pedicel ca. 3 mm. Calyx cupular, ca. 1 mm; teeth narrowly triangular. Corolla yellowish; lobes linear-lanceolate, blunt, ca. 2 mm. Staminate flowers with stamens slightly longer than corolla lobes. Pistillate flowers not seen. Samara oblanceolate, 1.5-2(-3.5) cm x 2.5-3(-5) mm; wing decurrent to above middle of nutlet. Fl. May, fr. Sep.

* Mixed woods on slopes; 1300-3200 m. Gansu, Henan, Shaanxi, Sichuan


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