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Lip shorter than the sepals and petals and enclosed by them, 3-lobed and 3-nerved; the side lobes blunt and shorter than the mid-lobe; spur short, straight or curved.
Inflorescence an erect lax spike; bracts half as long as the ovaries, green to somewhat chartaceous.
Flowers small, more or less resupinate, with the sepals and petals not spreading; ovary twisted.
Leaves dimorphic, with ovate spreading basal leaves and loosely convoluted cauline leaves.
Petals more or less enclosed by the sepals, 3-nerved, slightly shorter than the sepals.
Terrestrial herb perennating by testicular tubers.
Sepals free, entire, 1-nerved.
