Caladenia bicalliata subsp. bicalliata
Caladenia bicalliata subsp. bicalliata, commonly known as the limestone spider orchid or dwarf limestone spider orchid, is a plant in the orchid family Orchidaceae and is native to the south-west of Western Australia and coastal areas of South Australia. It has a single erect, hairy leaf and one or two cream-coloured flowers with reddish-brown tips. Description Caladenia bicalliata subsp. bicalliata is a terrestrial, perennial, deciduous, herb with an underground tuber and which occurs singly or in small clumps. It has a single erect, very hairy, linear to lance-shaped leaf, long and wide. The inflorescence is a raceme, high with one or two flowers, each flower long and wide. The dorsal sepal is about long and abruptly narrows about one-third of its length from the base. The lateral sepals and petals are cream or greenish-cream, much shorter than those of the similar C. abbreviata and C. evanescens and have reddish-brown tips. The lateral sepals are less than long and thread-like for about half their length and the petals are about the same length and gradually taper to a thread-like tip. The labellum is egg-shaped, about long, wide and white with red stripes. The edge of the labellum is serrated and there