Caladenia lateritica

Caladenia lateritica, also known as white primrose orchid, is a plant in the orchid family Orchidaceae and is endemic to relatively inaccessible, high lateritic plateaux in a high rainfall area in south-western Western Australia. It is a ground orchid with a single hairy leaf and one or two white flowers on a thin, sparsely-hairy stem. It is similar to Caladenia flava but is distinguished by its fragrant white versus yellow flowers with prominent red stripes and spots on the dorsal sepal and lateral petals. Caladenia lateritica mimics Conostylis setosa (Haemodoraceae) in terms of flowering time, height, colour and fragrance. It also shares a native bee pollinator with Conostylis setosa, which provides pollen and nectar whereas the orchid is rewardless....read more on Wikipedia.