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= Pinus Fragilissima = Pinus Fragilissima, more commonly referred to as the Wulu Pine, was first recorded when, after mistakenly identifying it for Pinus Taiwanensis, Roman Businsky noticed the difference in elevation where the two trees could be found as well as several differences in their physical structures.

Distribution
Pinus Fragilissima is found in the Hsinwulu River valley system on the eastern side of Taiwan's central mountain range. Pinus Fragilissima is frequently confused with the more dispersed Pinus Taiwanensis, but the Wulu Pine can be found in elevations of 500m-1000m, with the former being found in elevations of 2200m-2900m.

Habitat and Ecology
The Hswinwulu River valley system is made up of steep rocky slopes, and the Wulu Pine prefers either southern or western facing slopes dominated by rocky soil so as to avoid competition from broad leafed trees. The region occupied by P. Fragilissima is know to have wet summers and relatively dry winters. It is often seeing growing with other species of Pines such as P. Massoniana and P. Morrisonicola.

Morphology
P. Fragilissima is an erect tree of the family Pinaceae. It grows to a height of approximately 30m with distinctly fragile, spreading branches for which it was given the species name Fragilissima. Its leaves are grouped in bunches of usually two, sometimes three needles per bundle, ranging in length from 12cm-22cm. P. Fragilissima loses it's leaves every two to three years

Bark formation is rather late, with 8-12 year old branches still maintaining their smooth surface. Bark formation is most pronounced at the trees base where fissures can create strips up to 10cm thick.

Reproduction
P. Fragilissima has a monecious reproductive structure, with both male and female cones present on an individual tree. Male pollen cones reach a length of 2.5 cm, and their female counterparts can reach a length of up to 10cm and 8cm in width when fully mature, but their growth is slow, only reaching about 20mm after their first growing season and possibly maintaining attachment for years after maturation.

Utilization
P. Fragilissima is not know to be used for edible or medicinal purposes in Taiwan, but it's fast growth rate makes it a viable candidate for the timber industry, though interest in it for cultivation has not been expressed.