松科
學名:Pseudotsuga wilsoniana Hayata
英名:Taiwan Douglas Fir
別名:威氏帝杉
臺灣特有種,常綠大喬木。樹皮厚,有深縱裂。小枝栗褐色。冬芽圓錐形,先端尖銳,外生微毛。葉旋生,略扭轉成2列,線形,平扁而微彎曲,先端銳或凹裂。雌雄同株異花;雄花腋生,長8mm,基部具多數鱗片。毬果懸垂,卵狀橢圓形,長約6cm;苞鱗線狀,較種鱗為長,先端3裂而反曲;種鱗菱形,全緣,質薄。種子有翅,全長約1.8cm。
An evergreen large tree, endemic to Taiwan. The bark is thick and deeply vertical-fissured. Branchlets are chestnut brown. Winter buds is shaped conical, apex acute, villous. Leaves are spirally arranged, slightly twisted into 2 rows, linear, flat and slightly curved, apex acute or concave.Monoecious; male flowers axillary, ca. 8 mm, with many scales on the base. Cone draping, ovate-elliptic, ca. 6 cm long; bract scale is shaped linear and longer than seed scales, apex 3-lobed and recurved; seed scale is rhombic, entire margin, thin. Winged seeds about 1.8 cm long.
全日照或半日照冷涼氣候,臺灣原生於中、高海拔山區,不耐炎熱。以富含有機質排水良好的土壤為佳,喜高濕度且介質經常溼潤的生長環境。種子繁殖。
The plant enjoys full-sun or partial sun and cold weather, native to medium and high-altitude mountains in Taiwan and not resistant to high temperature. It is better to cultivate in a soil with rich organic matter and prefers humid environments and constantly wet medium. Propagated by seeding.
材質優良,可供建築、橋樑、車輛、家具使用。樹型優美,可供庭園栽植之用。
The timber is a high-quality material used in buildings, bridges, vehicles and furniture. The tree is beautiful and can be used for gardening.