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Clubbed elbow orchid

Arthrochilus irritabilis

Clubbed elbow orchid
Photo: Scott w. Gavins, CC BY 4.0

Arthrochilus irritabilis is a small, deciduous terrestrial orchid from eastern Queensland woodland, forest and heath that grows from an underground tuber and bears insect-like flowers in summer. It is a wild species rarely grown in gardens, so care notes are general guidance for a terrestrial orchid of this type.

Family
Orchidaceae (Orchid family)
Grows as
Orchid
Light
Part shade
Water
Water moderately while in active growth and keep the tuber nearly dry during its dormant period.
Soil
Free-draining, humus-rich terrestrial orchid mix or leaf litter-based mix.
Temperature
10–28 °C; protect from frost.
How easy
Hard
Native range
E. Australia
Climate
seasonally dry tropical

About

Arthrochilus irritabilis, commonly known as clubbed elbow orchid, is a flowering plant in the orchid family (Orchidaceae) and is endemic to Queensland. It has up to five leaves and up to thirty light greenish or reddish, insect-like flower with reddish, hair-like glands on its labellum. There is a single record of this species from Papua New Guinea.

Where it grows

The clubbed elbow orchid grows in woodland, forest and heath, sometimes forming large colonies. It is widespread and common between Ingham and Brisbane. There is a single record from Papua New Guinea.

Other Arthrochilus plants

Untidy elbow orchid · Dark elbow orchid · Phoringopsis byrnesii · Swamp elbow orchid · Green truffle orchid · Common elbow orchid · Arthrochilus laevicallus · Robust elbow orchid · Glaucous truffle orchid · Montane elbow orchid · Wispy elbow orchid · Rosetted elbow orchid

Text excerpted from the Wikipedia article Arthrochilus irritabilis by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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