Keteleeria davidiana var. formosana
台湾油杉 tai wan you shan (Wu and Raven 1999).
Trees to 35 m tall and 250 cm dbh. Bark dark gray, irregularly furrowed. Twigs short-pilose or glabrous. Leaves flat, linear, 2-4 cm long 3-4 mm broad, keeled on both surfaces, the apex acute to obtuse or emarginate, the margins more or less revolute. Seed cones solitary, erect, cylindric-oblong, 5-15 cm long, 4-4.5 cm in diameter, first green, maturing pale brown. Seeds about 1 cm long, the wing as long as or longer than the seed" (Li 1975). 2n=24 (Kuo et al. 1972, cited in Huang 1994).
Taiwan: 300-600 m in the extreme north, 500-900 m in the south, usually in association with broad-leaved trees in open settings (Li 1975).
Height 35 m, dbh 2.5 m (Li 1975).
Described collection locales (HAST Database) include:
Taroko National Park looks like an interesting place to see it.
Hayata, B. 1908. New Conifers from Formosa. Gardeners' Chronicle ser. 3, 43:194. Available: Google Books, accessed 2012.10.29. Described as K. formosana.
Hayata, B. 1908. Flora Montana Formosae - Gymnospermae. J. Coll. Sci. Imp. Univ. Tokyo 25, Art. 19:207-224, figs. (p. 217). Published later the same year as K. davidiana var. formosana.
The species account at Threatened Conifers of the World.
Last Modified 2017-12-29