Rhododendron kawakamii

著生杜鵑

endemic

Rhododendron kawakamii Hayata

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

名彙資訊

學名發表文獻

Hayata, Materials for a flora of Formosa 171. 1911. (Mat. Fl. Formos.)

台灣首次記錄發表文獻

同發表文獻

異名

Rhododendron taiwanianum S. S. Ying

S. S. Ying, Quarterly journal of Chinese forestry 9(4): 116. 1976. (Quart. J. Chin. For.)

各語言俗名

中

川上杜鵑.
英

Yellow kawakami rhododendron. Kawakami rhododendron.
日

ちやくせいしやくなげ.

參考文獻

Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan)

特徵描述

生活型

shrub

形態特徵

Epiphytic shrubs to 0.3–1.3 m tall; branches numerous, slender, often tortuous, glabrous, glandular dotted; bud scales acute, ciliolate, punctate.
Leaves coriaceous, clustered, obovate, 2.5–5 cm long, 1.5–3 cm broad, apex rounded or mucronulate, base acute to attenuate, margin slightly recurved, upper surface dark green, glabrous, lower surface paler, glandular punctate, midrib and lateral veins impressed on upper surface, raised on lower surface; petiole ca. 2.5 mm long, winged.
Flowers 2–5 in racemose umbels; pedicel spreading, 2–2.5 cm long, sparsely glandular dotted; calyx saucer-shaped, 5-lobed, lobes irregular, glandular ciliolate; corolla yellow, glandular punctate, rotate-campanulate, 1 cm long, 1–1.2 cm broad, 5-lobed, lobes broadly oblong, rounded; stamens 10, unequal, filaments shorter than corolla.
Capsules ovoid, 0.8–1.2 cm long, sparsely villous.

分布

台灣 : A common epiphyte on trees in rain forests at between 1,500 and 2,600 m.

引證標本

ILAN: Tayuenshan, Liu ＆ Kao 197 (Type of R. kawakamii Hayata var. flaviflorum Liu ＆ Chuang, NTUF); Yuanyanghu, Lu 14851. CHIAYI: Yushan , U. Mori 2005, in 1906 (Type of R. kawakamii Hayata, TAIF). KAOHSIUNG: Kueihu, Lu 13593.