Bulbophyllum johnsonii, commonly known as the yellow snake orchid, is a species of epiphytic or lithophytic orchid that has a thin, creeping rhizome with flattened pseudobulbs, each with a single tough, dark green leaf and a single bright yellow to orange flower on a thread-like stalk. It grows on trees, shrubs and rocks in and near rainforest in tropical North Queensland.
Bulbophyllum johnsonii is an epiphytic or lithophytic herb that has thin, creeping rhizomes pressed against the surface on which it grows and flattened dark green, reddish or purple pseudobulbs long and wide. Each pseudobulb has a tough, dark green, egg-shaped leaf long and wide. A single resupinate, red, brown, green or yellowish flower long and wide is borne on a thread-like flowering stem long. The dorsal sepal is long, wide and forms a hood over the column. The lateral sepals are long and wide and spread widely apart from each other. The petals are long, about wide with a dark blotch on the tip. The labellum is long, about wide with a red base and a yellow tip. Flowering occurs sporadically throughout the year.
Taxonomy and naming
Bulbophyllum johnsonii was first formally described in 1950 by Trevor Edgar Hunt who published the description in Proceedings of the Royal Society of Queensland from a specimen collected at Hambledon by "A. E. Johnson". The specific epithet (johnsonii) honours the collector of the type specimen.
Distribution and habitat
The yellow snake orchid usually grows on trees, shrubs and rocks in rainforest and open forest, at higher altitudes between the Cedar Bay National Park and the Paluma Range National Park. johnsonii Category:Orchids of Queensland Category:Endemic orchids of Australia Category:Plants described in 1950