首頁   計劃介紹    

English Version

Plants of Taiwan

  • Dendrobium chryseum Rolfe
    金草    

    形態特徵

    TYPE! <em>Dendrobium chryseum</em> Rolfe

    搜尋電子書

    相關連結

    作者

    SU, Horng-Jye

    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

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

    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.

    資料來源

    SU, Horng-Jye. 2000. 38. ORCHIDACEAE. Flora of Taiwan, second edition (台灣植物誌第二版). 5: 840.

    本種於 2003 年由 Huang 在台灣記錄到後,目前已有 4 種學名、 3 種中文名及 3 種其他語言俗名曾在台灣被使用。

    本種共有 13 份 典藏標本

    <em>Dendrobium chryseum</em> Rolfe金草