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FOC | Family List | FOC Vol. 4 | Cupressaceae | Thuja

1. Thuja sutchuenensis Franchet, J. Bot. (Morot). 13: 262. 1899.

崖柏 ya bai

Shrubs or trees to 20 m tall; bark orange-brown when young, turning gray-brown, thin, soon flaking; branches spreading, densely arranged; branchlets not glaucous. Facial leaves 1.5-4 × 1-1.5 mm (to 7 mm on leading branchlets), abaxial gland absent, apex obtuse; lateral leaves of ultimate branchlets slightly shorter than facial leaves, 0.8-1 mm wide, apex incurved. Pollen cones yellowish, subglobose, ca. 2.5 mm; microsporophylls 6-8, each with (2 or)3 pollen sacs. Seed cones ellipsoid, 5-7 × 3-4 mm; fertile cone scales 4. Seeds ovoid-oblong, ca. 3.5 mm; wings 0.5 mm wide, apex acute.

* Probably now extinct in the wild owing to forest clearance; recorded at 1400 m. NE Sichuan (Chengkou Xian)

Probably now extinct in the wild owing to forest clearance.

Not collected in the wild since the original gatherings from the only known locality by P. G. Farges in 1892 and 1900. Repeated searches for the species have been unsuccessful.


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