Lower sepal navicular, vertical, with a curved spur;spur subequal to limb, 5-6 mm, apex with a groove or 2-fid.是什么意思_Lower sepal navicular, vertical, with a curved spur;spur subequal to limb, 5-6 mm, apex with a groove or 2-fid.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句