Thelasis pygmaea
閉花八粉蘭
Thelasis pygmaea (Griff.) Blume
名彙資訊
特徵描述
典藏標本
數位照片
分布位置
相關資訊
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名彙資訊
學名發表文獻
Bl., Florula Javanica 23. 1858. (Fl. Jav.)
台灣首次記錄發表文獻
Su, Flora of Taiwan, second edition 5: 1046. pl. 448. 2000. (Fl. Taiwan 2nd edit., 台灣植物誌第二版)
異名
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Thelasis clausa Fukuy.Fukuy., The Botanical magazine, Tokyo 49: 440. 1935. (Bot. Mag. Tokyo, 植物學雜誌)
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Thelasis triptera auct. non Rchb. f.Lin, Native Orchids of Taiwan 3: 272. 1987. (Native Orch. Taiwan)
各語言俗名
-
日こうきちらん.
參考資料
-
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan, 台灣植物名彙)
特徵描述
生活型
herb
形態特徵
- Plants 5-10 cm tall. Pseudobulbs tufted, depressed globose, 2-5 mm tall, 2- or rarely 1-leaved at top.
- Leaves usually 2, one often larger, linear or elongate-oblong, sometimes falcate, 5-13 cm long, 7-10 mm wide, obtuse or unequally 2-lobed at apex, cuneate and conduplicate at base, coriaceous.
- Peduncle arising from base of pseudobulb, 4-7 cm tall, terete, glabrous; rachis gradually lengthening, 1.5-5 cm long, bearing many closely arranged flowers; bracts ovate-triangular, 2.5-3 mm long, 2.5 mm wide, acuminate, persistent; pedicel and ovary nearly perpendicular to rachis, 4 mm long, flattened, with lateral wings. Flowers yellowish green, few producing succesively, non-resupinate, not opening; dorsal sepal ovate-oblong or oblong-triangular, 2.5 mm long, 1 mm wide; lateral sepals conduplicate, navicular, 3 mm long, fleshy, with porous surfaces, outer sides keeled and continuous to wings of ovary; petals elongate oblong, 2 mm long, 0.5 mm wide, obtuse or subacute; lip immobile, cohering with base of column, ovate or triangular-ovate, involute near apex, 2 mm long, 1.5 mm wide when expaned; column 0.5 mm long, 3-fid at apex; anther elongate ovate, 1 mm long; pollinia ovoid-clavate.
分布
- 台灣 : forests at low elevations.
- 世界 : India, the Himalaya, Myanmar, southern China, Vietnam, Thailand, Malaysia and the Philippines.
引證標本
KAOHSIUNG: Maolin, Lin 189. HUALIEN: Yuenhai, Segawa s. n.* 15 Aug 1934; Shenmiku, Lin 412.
引用文獻
典藏標本
共有 2 份典藏標本 所有標本模式標本
T00045
K.Segawa
K.Segawa
T01199
共有 2 份典藏標本所有標本模式標本
T00045
K.Segawa
K.Segawa
T01199