Everything about Qiaojia Pine totally explained
Qiaojia Pine (
Pinus squamata;
zh: 巧家五针松) is a
pine native to a single locality consisting of about 20 trees in northeast
Yunnan,
China, at about 2200 m elevation. It was only discovered in
1991 and is
critically endangered. Its mature height is unknown because none of the living trees are yet mature, but they could possibly grow to 30 m or greater. Its habitat is open secondary woodland, scrub, and grassland mixed with
Yunnan Pine.
Qiaojia Pine has a conic crown with flaky pale gray-green bark becoming dark brown with age, similar to the closely related
Lacebark Pine. The shoots are reddish to greenish brown and may be pubescent or glabrous. The
leaves are drooping in fascicles of 4 or 5, 9-17 cm long by 0.8 mm wide, glossy green above with white
stomatal bands on the underside. The
cones are conic to ovoid, reddish brown, and 9 cm long by 6 cm broad when open. They open at maturity in September to October of the second year to release the oblong black seeds, 4-5 mm long with a 16 mm wing.
Qiaojia Pine was discovered in April 1991 by Pangzhao J.Q. It was studied later that year and described the following year by Li Xiang-Wang. It shows similarities to
Rzedowski's Pinyon and some other
pinyon pines.
References and external links
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