Australian Tropical Rainforest Orchids

Petal relative width to dorsal sepal

The petals can be wider than the dorsal sepal, the petals and dorsal sepal can be of a similar width or the petals can be narrower than the dorsal sepal.

Wider: the petals are wider than the dorsal sepal.

More or less equal: the petals and dorsal sepal are of a similar width.

Narrower: the petals are narrower than the dorsal sepal.