Caladenia aurantiaca
Caladenia aurantiaca, commonly known as orangetip fingers, is a plant in the orchid family Orchidaceae and is endemic to Victoria, although it is also found on one Bass Strait island. It is a slender ground orchid with a single hairy leaf and one or two short-lived, orange-tipped, white flowers on a thin, wiry spike.
Description
Caladenia aurantiaca is a terrestrial, perennial, deciduous, herb with an underground tuber and a single hairy leaf, long and wide.There are one or two white, orange-tipped flowers on a thin, wiry, sparsely hairy spike high, each flower wide. The dorsal sepal is erect in the lower part but curves forward, partly covering the column. It is oblong, long and wide. The lateral sepals are narrow lance-shaped, long, wide, turn downwards and are usually parallel to each other. The petals are about the same size as the sepals and spread widely or turn downwards. The labellum is egg-shaped, about long, wide with three lobes. The lateral lobes are erect, surround the column and have slightly wavy edges. The mid-lobe is triangular, curves downward with up to 3 pairs of short, orange calli along its edge. There are two rows of calli along the centre of the labellum. The column is pale green is broad with broad wings. Flowering occurs from August to November but the flowers are self-pollinating and are only open for up to four days.