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Thrixspermum subulatum

厚葉風蘭

Thrixspermum subulatum Rchb. f.
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名彙資訊

學名發表文獻

Rchb. f., Xenia Orchidacea 2: 122. 1867.  (Xenia Orchid.)

台灣首次記錄發表文獻

Liu & Su, Quarterly journal of the Taiwan Museum 28: 270. fig. 3. 1975.  (Quart. J. Taiwan Mus.)

異名

各語言俗名

  • 肥垂蘭.

參考文獻

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

特徵描述

生活型

herb

形態特徵

  • Stems pendulous, often branched at base, compressed, more or less apically upcurved, to 50 cm long, covered by equitant leaf sheaths.
  • Leaves more or less distichous, coriaceous, thick and rigid, linear- lanceolate, 6-10 cm long, 1-1.5 cm wide, conduplicate, especially near base, articulate with sheath.
  • Peduncle apically dilated, 1-2 cm long; bracts scale-like, 2 mm long; pedicel and ovary 1-1.5 cm long. Flowers 1-3, pale yellow or tinged with orange, 1.5 cm in diam.; sepals not widely spreading, elliptic, ca. 8-10 mm long, 4-5 mm wide, obtuse or acute, lateral ones wider; petals oblong-obovate, 9 mm long, 4 mm wide, obtuse at apex, contracted at base; lip white, with orange blotches, saccate at base, 7 mm long, 9-10 mm wide when expanded, 3-lobed, lateral lobes falcate, erect, acute, midlobe fleshy, slightly retuse; disc yellow, with a long apically furcate callus, callus covered with white hairs; column 2 mm long, foot 3-4 mm long, curved; anther cap white, orbicular to rectangular, 1 mm long, 1.8 mm wide.

分布

  • 台灣 : forests along streams at low elevations in the center and south.
  • 世界 : The Philippines, Thailand, Sumatra and Java.

引證標本

KAOHSIUNG: Laonungchi, Su 8975; Shiaoneinchi, Su & Chen 9076. TAITUNG: Tawu, Su 1037.

參考文獻

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