New Zealand Native Orchids

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Corybas diemenicus

Veined Helmet Orchid

Near Rarangi 17 August 2026. Photo: Matt Ward
Photo: Matt Ward

Recorded distribution

Plant

With sessile round to heart-shaped (circular-cordate) leaves 20-25 x 25-30mm. Upper leaf surface is bright green to blue-green and the underside is silvery or frosty green.

Flowers

Short-stalked, erect, just above leaf. Dark red- brown to maroon with a large hooded dorsal sepal curving forward over the labellum. Labellum 15-20mm broad has a prominent white central boss surrounded by deep crimson streaks along the veins and coarsely toothed or fringed margins.

Flowering

August in New Zealand, between July and October in Australia.

Habitat

Scrub, under mahoe, in dappled light. Northern South Island, also south-eastern Australian states and Tasmania.

Conservation

Only recorded in New Zealand for the first time in August 2026, so currently considered to be a Non-resident Native - Vagrant.

Notes

Unlikely to be confused with any other Corybas species in New Zealand.

Key features

The toothed/fringed labellum is distinctive.

Photos

Near Rarangi 17 August 2026. Photo: Matt Ward
Near Rarangi 17 August 2026. Photo: Matt Ward
Near Rarangi 17 August 2026. Photo: Matt Ward
Near Rarangi 17 August 2026. Photo: Matt Ward
Near Rarangi 17 August 2026. Photo: Matt Ward

© 2026 New Zealand Native Orchid Group • Website by RS

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