椴树(原变种) duan shu (yuan bian zhong)

Tilia angustibracteata Hung T. Chang; T. gracilis Hung T. Chang; T. hupehensis W. C. Cheng ex Hung T. Chang; T. integerrima Hung T. Chang; T. mesembrinos Merrill; T. mofungensis Chun & H. D. Wong; T. oblongifolia Rehder; T. obscura Handel-Mazzetti; T. omeiensis Fang; T. tristis Chun ex Hung T. Chang; T. tuan var. cavaleriei Engler & H. Léveillé; T. tuan f. divaricata V. Engler; T. tuan var. pruinosa V. Engler.

Branchlets glabrous or tomentose. Leaf blade narrowly ovate or ovate-oblong to ovate-orbicular, 6.5-17 × 3.5-11 cm, abaxially glabrous to densely shortly gray-white or brown tomentose, adaxially glabrous, lateral veins 3-11 pairs, base oblique, rounded, truncate, or cordate, margin entire or with a few minute teeth near apex. Cymes 3-22-flowered. Bracts 6-16 × 1-3 cm, sessile or stalk 0.5-0.8 cm.

● Forests; 1200-2000 m. Guangxi, Guizhou, Hubei, Hunan, Jiangsu, Jiangxi, Sichuan, Yunnan, Zhejiang.