prasophyllum

Illustration of nine West Australian orchids, by Emily Pelloe.

Prasophyllum, [praise-o-fill-um ] from prasos, a leek, and phyilos, a leaf; referring to the leek-like leaves.

Species of this genus are commonly called “Leek Orchids.’  The genus is easily recognised by the sheathing leaf and spike of small inverted flowers, but many of the species are difficult to determine. The spikes of whitish flowers tinged or streaked with green and purple, are not specially attractive to the flower hunter, yet the beauty of a single bloom when beheld through a magnifying-glass is amazing. The sepals and petals are narrow and inconspicuous. The lip on the upper side of the flower is broad and slightly waved at the edge, often bearing an inner plate. The column is very short.

The various species of Prasophyllum are wholly dependent on insects for fertilisation, and there is a marked difference in the number fertilised according to situation.  ... Read more