討論:烏來杜鵑

山羊百科,林文智老師的植物、山岳、攝影紀錄

Jump to: navigation, search

5. Rhododendron kanehirai Wilson  烏來杜鵑

Shrubs 1-3 m tall, many-branched; young branches densely strigose. Leaves chartaceous, dimorphic, lanceolate to oblong-lanceolate, 3-4.5 cm long, 0.7-1 cm broad, apex acute to acuminate, base attenuate, margin entire to sparsely crenate-serrate; petiole 2-4 mm long, densely strigose. Flowers 1-3, terminal; pedicel 5-7 mm long, densely strigose; calyx lobes triangular, densely strigose; corolla pink to purple, funnelform, 3-5 cm across; stamens 10, unequal, filaments slightly villous below; style pilose at base, glabrous apically. Capsules ovoid, 8-10 mm long, pubescent. Endemic, limited to the banks of the Peishi River in the northern part of Taiwan; probably extinct.

TAIPEI: Lutsetan, Lu 12627 & 12628.

  別稱柳葉杜鵑、金平氏杜鵑。常綠性小灌木。葉披針形至長橢圓狀披針形,互生。莖頂萌發1~3朵桃紅、粉紅、淡紫或紫紅色花,花冠漏斗形,雄蕊10枚,不等長,單出或叢生。

族群分布:原來分布於海拔100~400m,台北縣北勢溪溪谷的裸岩地,以乾溝、鸕鶿潭一帶為主要分布中心;常出現於溪岸河旁之岩石峭壁上,是台灣唯一低海拔河岸杜鵑。
族群現況:自民國七十三年翡翠水庫竣工,將原生育地淹沒後,近年均無野外採集記錄,僅有少數移植栽培種;目前林務局新竹林管處烏來工作站與特有生物中心,持續採取人工復育培植,期望再現昔日風華。
花期:三至五月。
個人工具
廣告贊助