Description
The name incubacea may came from the Latin word ‘incubus’, referring to the dark colour of the lip. It was first described by Botanist Giuseppe Blanca in 1842.
Flowers
The inflorescence bears 3-8 rather large flowers in a loose spike. The 3 sepals are light green in colour, the petals are darker than the sepals, brownish-green or brownish-red-green with wavy borders and truncated tips. The stigmatic cavity has a white spot in the background and its outer wall is edged in white. The lip is dark brown or black in colour with densely hairy borders. The basal background is dark or reddish brown. The macula has 2 bluish or grey parallel bands.
Leaves
Lanceolate leaf is lance-shaped: long and widest in the middle, Ovate leaf is egg-shaped, wider at base. Basal leaves are oval to long, wider in the middle but blunt; stem leaves narrow and pointed.
Fruits Seeds
Capsule: numerous seeds.