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FOC | Family List | FOC Vol. 5 | Ulmaceae | Pteroceltis

1. Pteroceltis tatarinowii Maximowicz, Bull. Acad. Imp. Sci. Saint-Pétersbourg. 18: 293. 1873.

青檀 qing tan

Pteroceltis tatarinowii Maximowicz var. pubescens Handel-Mazzetti; Ulmus cavaleriei H. Léveillé.

Trees, to 20 m tall, d.b.h. 70-100 cm or more. Bark grayish white to dark gray. Branchlets with distinct lenticels. Winter buds ovoid. Petiole 0.5-1.5 cm, pubescent; leaf blade broadly ovate to oblong, 3-10 × 2-5 cm, base oblique, margin irregularly serrate, apex acuminate; secondary veins 4-6 on each side of midvein. Nut yellowish green to yellowish brown, ± globose to oblong, 1-1.7 cm in diam., glabrous or pubescent, base truncate or cordate, apex notched; perianth and style persistent; stalk 1-2 cm; wings ± woody. Fl. Mar-May, fr. Aug-Oct.

* Mountainous regions on limestone, river and stream banks; 100-1500 m. Anhui, Fujian, S Gansu, Guangdong, Guangxi, Guizhou, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Liaoning (Dalian), SE Qinghai, Shaanxi, Shandong, Shanxi, Sichuan, Zhejiang.

This species is grown as an ornamental and for its fine timber, the bark fiber is used in the manufacturing of Xuan Paper, and oil is extracted from the seeds.


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