Plant of the month – Trim Greenhood Orchid

Botanical Name: Pterostylis concinna

Common Name: Trim Greenhood Orchid

Family: Orchidaceae


Pterostylis: From the Greek words pteron and stylos meaning winged style, referring to the winged column of the flower.

concinna: From Latin, meaning trim or neat, referring to the plants habit.

Habitat: Sclerophyll forests and coastal scrub. Usually grows on mossy rocks and in damp leaf litter in dense colonies.

Soil: Moist.

Habit: Perennial herb, flowering stem 10 – 30cm tall.

Leaves: Between 4 and 6 leaves in a basal rosette.

Flowers: Singular, translucent with green stripes and red markings around the mouth. Pollinated by insects, usually flies or fungus gnats, which are attracted to a nectar gland at the base of the flower. Insects become trapped inside the flower by the hood. They can escape, but being trapped ensures that the become covered in pollen.

Flowering time: May to September.

Range: NSW south of Mudgee, Victoria, Tasmania and South Australia. These plants may be killed out if there are frequent fires.

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