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

12. Fraxinus odontocalyx Handel-Mazzetti ex E. Peter, Oesterr. Bot. Z. 90: 125. 1941.

尖萼梣 jian e qin

Fraxinus huangshanensis S. S. Sun; F. nanchuanensis S. S. Sun & J. L. Wu.

Trees 10-20 m tall, subglabrous. Branchlets terete, scabrous. Leaves in whorls of 3 at branch tips; petiole 4-5 cm; axis adaxially with ridges expanding into narrow wings; leaflets 7-11(-13); petiolule 5-12 mm; leaflet blade ovate, lanceolate, or narrowly lanceolate, 2.5-8(-12) X 1.5-4 cm, papery, adaxially glabrous, abaxially with dense minute glandular dots, sometimes puberulent along midvein, base cuneate, attenuate to petiolule, margin irregularly deltate dentate, apex acuminate or long acuminate; primary veins 10-14 on each side of midvein. Cymose panicles lateral at branches of previous year, ca. 5 cm. Flowers polygamous, appearing before leaves, opposite or in whorls of 3; without calyx and corolla. Samara oblanceolate, 3-5 cm X 5-8 mm; wing decurrent to base of nutlet, strongly twisted. Fl. Apr-Jun, fr. Jul-Oct. 2n = 46.

* On open fields of mountainous regions, roadsides; 800-2400 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Shaanxi, Sichuan, Zhejiang.


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