Dendrobium comatum

木槲

Dendrobium comatum (Blume) Lindl.

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

Lindl. 1830. The Genera and Species of Orchidaceous Plants 76. (Gen. Sp. Orchid. Pl.)

台灣首次記錄發表文獻

Lin et al. 2016. Taiwania 61(2): 92.

異名

Ephemerantha comata (Bl.) Hunt & Summerh.

Hu. 1973. Quarterly journal of the Taiwan Museum 26: 376. (Quart. J. Taiwan Mus.)
Dendrobium fimbriatolabellum Hayata

Hayata. 1914. Icones Plantarum Formosanarum 4: 38. (Icon. Pl. Formos.)
Flickingeria fimbriatolabella (Hayata) Hawkes

Hawkes. 1961. Orchid Weekly 2(46): 454.
Ephemeranthaf fimbriatolabella (Hayata) Hunt & Summerh.

Hunt & Summerh. 1961. Taxon 10(4): 104.
Flickingeria comata (Bl.) Hawkes

Su. 2000. Flora of Taiwan, second edition 5: 880. (Fl. Taiwan 2nd edit.)

各語言俗名

中

木槲、鬚唇暫花蘭
日

くすくすせつこく

特徵描述

生活型

herb

形態特徵

Plants erect, 30-40 cm tall. Rhizomes stout, terete, 5-10 mm thick, with 3-4 nodes, producing stems upward, densely rooting below. Stems yellowish, lustrous, compressed, highly branched, upper 2-3 internodes dilated into successively larger pseudobulbs. Pseudobulbs yellowish, clavate or fusiform, ancipital, 2-6 cm long, 1.5-2.5 cm wide, often shallowly furrowed in age.
Leaves, ovate to oblong, 5-10 cm long, 2-3.5 cm wide, obtuse or rounded at apex, slightly narrowed at base into a short petiole, with parallel veins elevated on both surfaces.
Racemes arising from leaf axial on apex of pseudobulb, about 1.5 cm long; bracts multiseriate, scale-like, ovate-lanceolate, 3-5 mm long; pedicel and ovary slender, 1.5 cm long. Flowers few, whitish, with yellow lip; dorsal sepal linear-lanceolate, 1.5-1.8 cm long, 3.5- 4 mm wide, acute at apex, more or less concave at base; lateral sepals linear-falcate, as long as dorsal one, 4.5 mm wide, acute at apex, oblique at base, mentum ca. 4 mm long; petals linear, 1.5 cm long, 1.5 mm wide, acute to acuminate; lip obtriangular in outline, 1.5-1.8 cm long, enlarged upward from a narrow cuneate base, 3-lobed, lateral lobes ovate-triangular, 4 mm long, 1.5 mm wide, lacerate apically, midlobe obtriangular in outline, 10-12 mm long, about 10 mm wide at apex, dilated from a toothed base and deeply fimbriate from near base toward apex; column stout, semiterete, about 4 mm long, foot ca. 4 mm long; anther 1 mm tall; pollinia yellow, elongate ellipsoid, 0.8 mm long.

分布

台灣 : at its northern limit, forests along the streams of Hengchun Peninsula.
世界 : Widespreading in the Philippines, Malaysia, Indonesia, Australia, Papua New Guinea and the Pacific islands.