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The Incense-cedars, Calocedrus, are a genus of two to three species of coniferous trees in the cypress family Cupressaceae. They are related to the genus Thuja, and like them, have overlapping scale-leaves. They differ from Thuja in the scale leaves being in apparent whorls of four (actually opposite decussate pairs like Thuja, but not evenly spaced apart as in Thuja, but with the successive pairs closely then distantly spaced), and in the cones having just 2-3 pairs of moderately thin, erect scales, rather than 4-6 pairs of very thin scales in Thuja.

California Incense-cedar (Calocedrus decurrens) is native to western North America, with the bulk of the range in the United States, from central western Oregon through most of California and the extreme west of Nevada, and also a short distance into northwest MexicoThis article is about the country Mexico. For other meanings, see Mexico (disambiguation The United Mexican States or Mexico ( Spanish: Estados Unidos Mexicanos or Mexico regarding the use of the variant spelling Mejico see section The name below) is a co in northern Baja CaliforniaAlternative use: Baja California (state Baja California or Lower California is a peninsula in the west of Mexico. It extends some 1250 km from Tijuana in the north to Cabo San Lucas in the south, separating the Pacific Ocean from the Gulf of California (o. 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. The leaves are bright green on both sides of the shoots, and the cones 2-2.5 cm long. California Incense-cedar is by far the most widely-known species in the genus, and is often simply called "Incense-cedar" without the regional qualifier.

Taiwan Incense-cedar (Calocedrus formosana) is endemic on TaiwanFor the political entity commonly known as "Taiwan," see Republic of China. The island of Taiwan ( Traditional: , Simplified: , Pinyin: Taiwn, Wade-Giles: T'ai-wan, Taiwanese: Tai-oan) is located off the coast of China in the Pacific Ocean. It is also kno. It is very similar to C. macrolepis, and some botanists treat it as a variety of that, C. macrolepis var. formosana. It is a medium-size tree, growing to 25-30 m tall, and is rare in the wild, occurring only as scattered trees in mixed forests. The leaves are glaucous green on the upper side of the shoots, and conspicuously marked with bright white stomatal patches on the under side. The cones are 1.5-2 cm long, carried on a 1-1.5 cm stem.

Chinese Incense-cedar (Calocedrus macrolepis) is native to southwest ChinaThis article is on the geographic and cultural entity. For other meanings, see China (disambiguation). China ( Traditional Chinese: , Simplified Chinese: , Hanyu Pinyin: Zhongguo, Wade-Giles: Chung-kuo) is a country in continental East Asia with some oute from GuangdongGuangdong ( Traditional: , Simplified Chinese: , pinyin: Guangdong , Kwangtung in older transliteration and Kuang-tung in Wade-Giles), is a province on the south coast of the People's Republic of China. Together, Guangdong and neighboring Guangxi are call west to YunnanYunnan ( Simplified Chinese: , Traditional: , pinyin: Yunnan) is a province of the People's Republic of China, located in the far southwestern corner of the country. Yunnan Sheng ''Province Abbreviation(s): (Din) or (Yun Capital Kunming Area Total % water, and also in northern VietnamThe Socialist Republic of Vietnam is a country in Southeast Asia. It borders China, Laos, Cambodia, and the Gulf of Tonkin. Cng Hoa Xa Hi Ch Nghia Vit Nam ( In Detail) (Full size) National motto: Dc lp, t do, hnh phuc (Independence, Liberty, Happiness Off, northern LaosThe Lao People's Democratic Republic is a landlocked country in southeast Asia, bordered by Myanmar (commonly known in the west as Burma) and the People's Republic of China to the northwest, Vietnam to the east, Cambodia to the south, and Thailand to the, extreme northern Thailand and northeastern Myanmar (Burma). It is also a medium-size tree to 25-30 m tall, and like C. formosana, is rare in the wild. The leaves and cones are similar to C. formosana, differing most obviously in the shorter cone stem, only 0.5 cm long.