Orchid species

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Overview

There are about 30,000 species of orchid worldwide making Orchidaceae the largest family of flowering plants. They are found in a diverse range of habitats.

Orchids have distinctive flowers, consisting of three sepals and three petals. The third petal is greatly modified into a specialised structure known as a labellum. Another distinctive feature is the column, a fusion of the sexual parts of the flower (stamens and style) into a fleshy structure. Most terrestrial orchids grow from a tuber which is replaced each year.

Some orchids are designated as rare and endangered plants. Others, although reasonably common, are very localised in their occurence. All orchids are protected species and should not be disturbed in their native habitat. For these reasons all orchids have been included as rare or sensitive plants.

310 species

Diuris palustris (Swamp Doubletail)

Diuris pedunculata (Small Golden Moths)

Diuris praecox (Rough Doubletail)

Diuris protena (Northern Golden Moth)

Diuris protena

Diuris purdiei (Purdie's Donkey Orchid)

Diuris recurva (Mini Donkey Orchid)

Diuris secundiflora (One-sided Donkey Orchid)

Diuris tricolor (Painted Donkey Orchid)

Diuris venosa (Veined Doubletail)

Diuris venosa
Diuris venosa
Diuris venosa

Diuris x palachila (Broad-Lip Doubletail)

Gastrodia entomogama (Brindabella potato orchid)

Gastrodia entomogama
Gastrodia entomogama
Gastrodia entomogama

Genoplesium ciliatum (Swamp Midge-orchid)

Genoplesium rhyoliticum (Rhyolite Midge-orchid)

Habenaria harroldii (Southern Rein Orchid)

Hymenochilus clivicola (Mountain black-tip greenhood)

Hymenochilus clivicola
Hymenochilus clivicola
Hymenochilus clivicola

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Conservation level

  • Very rare / threatened (change?)
    * designates formal legal status

Invasiveness

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2,162,622 sightings of 20,521 species in 6,660 locations from 11,824 contributors
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