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Humped leek orchid

Prasophyllum gibbosum

Humped leek orchid
Photo: Hugo Innes, CC BY 4.0

Humped leek orchid is a terrestrial tuberous orchid native to south-west Western Australia, grown mainly by native plant enthusiasts. It is deciduous and dormant in summer, flowers late in the season, and prolific flowering is linked to fire the previous summer.

Family
Orchidaceae (Orchid family)
Grows as
Orchid
Light
Part shade
Water
Water during the wet winter and spring growing season, then keep nearly dry while dormant in summer.
Soil
Sandy, free-draining, peaty or humus-rich native soil.
Temperature
10–25 °C; tolerates cool, wet winters and dry summers.
How easy
Hard
Native range
SW. Australia
Climate
subtropical

About

Prasophyllum gibbosum, commonly known as the humped leek orchid, is a species of orchid endemic to the south-west of Western Australia. It is a late-flowering leek orchid with a single smooth, tubular leaf and up to eighty or more purplish-red and white flowers with a smooth labellum. It is similar to P. cucullatum but that species has a frilly labellum, usually a shorter flowering stem and an earlier flowering period.

Where it grows

The humped leek orchid grows in areas that are wet in winter, and only flowers prolifically after fire the previous summer. It occurs from Bunbury to Esperance in the Swan Coastal Plain, Jarrah Forest and Warren biogeographic regions.

Other Prasophyllum plants

Genoplesium mucronatum · Prasophyllum abblittiorum · Heathland leek orchid · Prasophyllum albovirens · Prasophyllum album · Mauve leek orchid · Alpine leek orchid · Dainty leek orchid · Pretty Hill leek orchid · Tapered leek orchid · Prasophyllum argillaceum · Prasophyllum asinantum

Text excerpted from the Wikipedia article Prasophyllum gibbosum 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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