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FOC | Family List | FOC Vol. 12 | Tiliaceae | Tilia

1. Tilia endochrysea Handel-Mazzetti, Anz. Akad. Wiss. Wien, Math.-Naturwiss. Kl. 63: 9. 1926.

白毛椴 bai mao duan

Tilia begoniifolia Chun & H. D. Wong (1935), not Steven (1846); T. croizatii Chun & H. D. Wong; T. hypoglauca Rehder; T. lepidota Rehder; T. leptocarya Rehder; T. leptocarya var. triloba Rehder; T. scalenophylla Ling; T. vitifolia Hu & F. H. Chen (1951), not Host (1831).

Trees to 20 m tall. Bark gray with longitudinal dark gray fissures; branchlets bright green when young, glabrous or minutely hairy; buds 3-3.5 mm, glabrous. Stipules oblong, 7-10 mm; petiole 3-7 cm, nearly glabrous; leaf blade dark brown when dry, broadly to narrowly ovate or almost triangular, sometimes apically 3-5-lobed, 7-16 × 5-13 cm, abaxially gray-white stellate tomentose, sometimes glabrescent, adaxially glabrous, base obliquely cordate or truncate, margin sparsely denticulate, teeth 5-12 mm apart, apex acuminate or acute. Cymes 9-16 cm, 8-32-flowered; peduncle 3.5-9 cm, nearly glabrous. Bracts narrowly oblong, 6-13 × 1.5-3 cm, adnate to peduncle for 1-1.5 cm, abaxially gray-white stellate puberulent, adaxially glabrous or sparsely hairy, base cuneate to cordate, apex rounded; stalk 1-3 cm. Pedicel 2-15 mm, stellate pilose. Sepals narrowly ovate, 6-8 mm, gray-brown puberulent. Petals 0.9-1.2 cm. Stamens ca. 40, as long as sepals; staminodes slightly shorter than petals. Ovary hairy; style 4-5 mm, glabrous; stigma 5-lobed. Fruit globose, leathery, dehiscent into 5-valves. Fl. Jul-Aug. 2n = 82*.

● Species-rich mixed evergreen and deciduous woodlands, often on steep sides of narrow valleys and along rivers on well-drained brown soils; 600-1200 m. S Anhui, Fujian, Guangdong, Guangxi, Hunan, Jiangxi, Zhejiang.

Pigott (Bot. Mag. 23: 56-61. 2006) gave a discussion of the taxonomy and ecology of Tilia endochrysea.


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