lower sepal broadly saccate, ca. 2 cm deep, abruptly constricted into an incurved spur 4-5 mm;
宽囊状的唇瓣,深的约2厘米,突然缢缩成一弯曲的距4-5毫米的;
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lower sepal saccate, 3-4 cm deep, gradually narrowed into an incurved spur ca. 2 cm;
唇瓣囊状,3-4厘米深,逐渐狭窄成一弯曲的距约2厘米;
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perianth saucer-shaped, ca. 0. 35 mm, tube short, lobes incurved, broadly ovate, ca. 0. 75 mm;
花被茶托状,大约0.35毫米,短的管,弯曲,宽卵形的裂片,大约0.75毫米;
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花冠5(或6)浅裂,合生至中间,狭椭圆形的裂片,1-1.5毫米,先端短尖,弯曲的;
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pterostylis属的任何一种兰花,基生莲座叶丛,花绿色、常有紫色、褐色或红色条纹,萼片背部向内弯曲成盔状。
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