It is an evergreen, monoecious tree up to 25 m tall with a broadly rounded crown. The close proximity of these populations to the Chinese and Laotian borders indicates that the species may occur in those countries as well. It occurs exclusively on rocky limestone ( karst) terrain, a habitat that has a very high level of endemism. The most recently discovered living species of Calocedrus, first described in 2004. Southwest China from Guangdong west to Yunnan, and also in northern Vietnam, northern Laos, extreme northern Thailand and northeastern Myanmar (Burma) formosana, differing most obviously in the shorter cone stem, only 0.5 cm long. It is also a medium-size tree to 25–30 m tall, and like C. Ĭalocedrus macrolepis, Chinese incense cedar The cones are 1.5–2 cm long, carried on a 1–1.5 cm stem. The leaves are glaucous green on the upper side of the shoots, and conspicuously marked with bright white stomatal patches on the underside. It is a medium-sized tree, growing to 25–30 m tall, and is rare in the wild, occurring only as scattered trees in mixed forests. macrolepis, and some botanists treat it as a variety of that, C. It is by far the most widely known species in the genus, and is often simply called "incense cedar" without the regional qualifier.Ĭalocedrus formosana, Taiwan incense cedar The leaves are bright green on both sides of the shoots, and the cones 2–2.5 cm long. It is a large tree, typically reaching heights of 40–60 m and a trunk diameter of up to 3 m (maxima, 69 m tall and 3.9 m diameter), and with a broad conic crown of spreading branches. decurrens foliage and male cones Species Extant Species Ĭladograms showing the evolutionary relationships.Ĭalocedrus decurrens, California incense cedar (syn.
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