台湾水青冈 Fagus hayatae

by Jun

  • Scientific Name: Fagus hayatae Palib. ex Hayata
  • Ref: J. Coll. Sci. Imp. Univ. Tokyo 30(1):286. 1911
  • Synonyms:
    • Fagus hayatae subsp. pashanica (C.C.Yang) R.Peter ex J.Q.Li
    • F. hayatae var. zhejiangensis M.C.Liu & M.H.Wu ex Y.T.Chang & C.C.Huang
    • F. pashanica C.C.Yang
  • English Common Name: Taiwan beech
  • Chinese Common Name: 台湾水青冈 Táiwān shuǐqīnggāng
  • Japanese Common Name: ハヤタブナ [早田橅] hayatabuna, タイワンブナ [台湾橅] taiwanbuna
  • Family: Fagaceae
  • Genus: Fagus
  • Distribution: Mountain ridges and summits in deciduous forests; 1300-2300 m. Hubei, Hunan, Shaanxi, Sichuan, N Taiwan, Zhejiang.
  • Type: Taiwan, Hab. Kusshaku(屈尺) : Sötenzan(插天山), ad 5600 ped. alt., N. Konishi(小西成章), Feb. 1906. 
Trees to 20 m tall. Winter buds to 1.5 cm. Leaf blade rhomboid-ovate, 3-7 cm, covered with silky pubescence when young, glabrescent except for glandular dots and tufts of hair on midvein and abaxially on axils of secondary veins, base broadly cuneate to nearly rounded, apex acute to shortly acuminate; veins blackish when dry; midvein flexuous toward apex; secondary veins 5-9 on each side of midvein, ending in teeth. Peduncle 0.5-2 cm, pilose. Cupule 7-10 mm; bracts linear, recurved, 1-3 mm, pilose. Nut as long as cupule, with very small wings near apex. Fl. Apr-May, fr. Aug-Oct. (Flora of China)

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