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

3. Celtis biondii Pampanini, Nuovo Giorn. Bot. Ital., n.s. 17: 252. 1910.

紫弹树 zi dan shu

Celtis biondii var. cavaleriei (H. Léveillé) C. K. Schneider; C. biondii var. heterophylla (H. Léveillé) C. K. Schneider; C. biondii var. holophylla (Nakai) E. W. Ma; C. bungeana Blume var. heterophylla H. Léveillé; C. cavaleriei H. Léveillé; C. chuanchowensis F. P. Metcalf; C. emuyaca F. P. Metcalf var. cuspidatophylla (F. P. Metcalf) C. P’ei; C. guangxiensis Chun; C. leveillei Nakai; C. leveillei var. cuspidatophylla F. P. Metcalf; C. leveillei var. heterophylla (H. Léveillé) Nakai; C. leveillei var. hirtifolia Handel-Mazzetti; C. leveillei var. holophylla Nakai; C. rockii Rehder; C. trichocarpa W. C. Cheng & E. W. Ma.

Trees, to 18 m tall, deciduous. Bark gray. Branchlets yellowish brown, brown with age, densely pubescent when young, with scattered lenticels. Winter buds blackish brown, 3-5 mm, densely strigose; scales at least inner ones hispid with appressed parallel hairs. Stipules linear-lanceolate, pubescent, caducous. Petiole 3-6 mm, pubescent when young, adaxially with a broad and shallow furrow; leaf blade broadly ovate, ovate, or ovate-elliptic, 2.5-8 × 2-4 cm, thinly coriaceous, strigose or sericeous early in season, with inconspicuous scattered appressed hairs, often glabrescent except for major veins and abaxial vein axils, base obtuse to ± rounded and slightly oblique, margin shallowly serrate on apical half, teeth (0-)6-11(-14) on each side, apex slenderly acuminate to caudate-acuminate; secondary veins 2(or 3) on each side of midvein. Style branches linear, undivided. Infructescences 1-3 per leaf axil, slender, unbranched, pubescent, 1-2 cm, 2-5 × as long as subtending petiole. Drupe yellow to reddish orange, ± globose, 5-7 mm. Stones slightly compressed, ca. 4 mm in diam., reticulately foveolate, 4-ribbed. Fl. Apr-May, fr. Sep-Oct.

Forests and among shrubs on mountains, limestone areas; near sea level to 2000 m. S Anhui, Fujian, SE Gansu, N Guangdong, Guangxi, Guizhou, S and W Henan, Hubei, Jiangsu, Jiangxi, S Shaanxi, Sichuan, Taiwan, Yunnan, Zhejiang [Japan, Korea].

Celtis guangxiensis differs in having entire leaves and a more or less smooth stone in the drupe.


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