Dendrobium chryseum

金草

Dendrobium chryseum Rolfe

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

Rolfe. 1888. Gardener's chronicle, ser. 3 3: 233. (Gard. Chron., ser. 3)

台灣首次記錄發表文獻

Huang. 2003. Flora of Taiwan, second edition 6: 133. (Fl. Taiwan 2nd edit.)

異名

Dendrobium aurantiacum H.G. Reichb.

Su. 2000. Flora of Taiwan, second edition 5: 840. (Fl. Taiwan 2nd edit.)
Dendrobium flaviflorum Hayata

Hayata. 1911. Materials for a flora of Formosa 312. (Mat. Fl. Formos.)
Dendrobium clavatum Lindl. var. aurantiacum (Rchb. f.) T. Tang & F. T. Wang

T. Tang & F. T. Wang. 1951. Acta phytotaxonomica sinica eng 1: 40. (Acta Phytotax. Sin.)

各語言俗名

中

金草、金草蘭、細幹石斛
台

Bòk hàk
原

Hebonkaigai (Atayal)
日

たいわんきばなせきこく

參考文獻

Huang et al. 2003. Flora of Taiwan, second edition 6: 133. (Fl. Taiwan 2nd edit.)
Yang. 1982. A list of plants in Taiwan. (List Pl. Taiwan)

特徵描述

生活型

herb

形態特徵

Stems erect, terete, 40-80 cm tall, 4-6 mm in diam., usually covered with yellowish green sheaths, slightly slender toward base; internodes cylindrical, yellow, ca. 4 cm long, obscurely furrowed.
Leaves alternate, distichous, narrowly oblong, 9-10 cm long, 1.5 cm wide, apex obtuse, more or less obliquely emarginate, base narrowed, slightly contracted, articulated with sheath, upper surface yellowish green, lustrous, lower surface pale green.
Racemes lateral or subterminal, few-flowered, peduncle ca. 1 cm long, with tube-like spathe at base; bracts tube-like, embracing pedicel; pedicel and ovary 2-2.5 cm long, divaricate. Flowers golden yellow or orange, ca. 4 cm in diam.; sepals subequal, oblong, 20-24 mm long, ca. 8-12 mm wide, acute, lateral ones larger, oblique at base and adante to foot of column forming mentum ca. 4 mm long; petals obovate, 23-28 mm long, 15-17 mm wide, apex obtuse, attenuate, contracted at base; lip clawed, claw 6-8 mm long, 3 mm wide, adnate to foot of column and incumbent on it, lamina broadly rounded, 18-22 cm long, 23 mm wide, obscurely 3-lobed or unlobed, irregularly denticulate, short pubescent inside, glabrous outside; column 4 mm long, 3 mm wide, foot 4 mm long; anther elongate cup-like; pollinia linear-oblong, yellowish.
Capsule fusiform, ca. 2.5 cm long.

分布

台灣 : on slightly shaded or exposed top branches of broadleaved trees, 1,000-2,500 m, throughout.
世界 : China, India, the Himalaya and Myanmar.

引證標本

TAIPEI: Wulai, Kawakami s. n. Apr 1915. ILAN: Nanhutashan, Su & Chen 7202. NANTOU: Chitou, Su 145. KAOSHIUNG: Chisan, Yamamoto & Mori 699. TAITUNG: Yamamoto & Mori 104. HUALIEN: Tailukuotashan, Sasaki s. n. Jun 1933.