Amitostigma gracile

小雛蘭

Amitostigma gracile (Miq.) Schltr.

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

Schltr., Repertorium specierum novarum regni vegetabilis 4: 93. 1919. (Rep. Sp. Nov. Regni Veg.)

台灣首次記錄發表文獻

Su & Chen, Flora of Taiwan, second edition 5: 744. pl. 314. 2000. (Fl. Taiwan 2nd edit.)

異名

Amitostigma yuukiana Fukuy.

Fukuy., The Botanical magazine, Tokyo 48: 429. 1934. (Bot. Mag. Tokyo)
Orchis yuukiana (Fukuy.) S. S. Ying

Ying, Quarterly journal of Chinese forestry 8(4): 140. 1975. (Quart. J. Chin. For.)
Orchis formosensis S. S. Ying

Ying, Coloured illustrations of indigeous orchids of Taiwan 1: 266. 1977. (Col. Ill. Indig. Orch. Taiwan)
Ponerorchis formosensis (S. S. Ying) S. S. Ying

Ying, Quarterly journal of Chinese forestry 11(2): 102. 1978. (Quart. J. Chin. For.)
Amitostigma formosana (S. S. Ying) S. S. Ying

Ying, Quarterly journal (Bulletin) of the experimental forest of National Taiwan University 1(3): 106. 1987. (Quart. J. Exp. For. Natl. Taiwan Univ.)
Orchis sooii S. S. Ying

Ying, Coloured illustrations of indigeous orchids of Taiwan 2: 209. 1990. (Col. Ill. Indig. Orch. Taiwan)

各語言俗名

中

高砂雛蘭.
日

くもらん. ひめいわらん. ひならん. たかきごひならん.

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

Plants 5-15 cm tall. Tuberoids nearly globose, 5-10 mm across. Stem pale green, 1-1.5 mm in diam., glabrous, with 1-2 sheaths at base.
Leaves usually solitary, rarely 2, nearly radical, ovate-lanceolate or narrowly oblong, 4-9 cm long, 1-3 cm wide, acute or obtuse at apex, decurrent at base.
Peduncle 6-15 cm long; bracts green, ovate-lanceolate, 4-5 mm long, apex acuminate, entire; ovary pedicellate, 4-6 mm long, nearly straight, pedicle 1-2 mm long. Flowers 5-20, secund, perianth subspreading, rose-purple; dorsal sepal ovate, concave, 2.5-3 mm long, 1.5-2 mm wide, apex obtuse, contracted at base, slightly keeled abaxially; lateral sepals obovate, strongly concave, slightly oblique, 3-3.5 mm long, 2-2.5 mm wide, apex obtuse, contracted at base, distinctly keeled abaxially; petals covering column and connivent with dorsal sepal forming hood, obliquely elliptic, 2.5-3 mm long, 2-2.5 mm wide, apex obtuse, contracted at base; lip oblong or obovate, 4-4.5 mm long, 3-3.5 mm wide, base cuneate, 3-lobes, lateral lobes triangular or rectangular, 0.8-1 mm long, obtuse or truncate at apex, terminal lobe obovatecuneate, 1.5-2 mm long, 1-1.5 mm wide, truncate, emarginate or bifid at apex, spur cylindrical, pointing downward, 2-3 mm long, 1 mm in diam., slightly attenuate, acute at apex; column 1-1.5 mm; anther locules clavate, 0.8-1 mm long; pollinia ovoid, 0.3-0.5 mm long; viscidium ovoid; stigma concave, 0.5-1 mm across, with 3 confluent surfaces, lateral surfaces more or less protruding and appearing transversely bilobed.