Trianthema cypseloides (Frenzl) Benth.

Hawkesbury Pigweed (Trianthema cypseloides)

This species is only known from the type material that was collected from the Hawkesbury River in New South Wales, Australia

This was a small, creeping, ground-dwelling herb with short branches and egg-shaped, about 0,5 cm long, slightly succulent leaves and flowers appearing in loose, flat-topped clusters.

The reasons for the extinction of this species are not known.

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The photo below shows another congeneric species from Australia, the Star Pigweed (Trianthema oxycalyptrum F.Muell.)

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Star Pigweed (Trianthema oxycalyptrum)

Photo: @WA_Botanist
https://www.inaturalist.org/people/wa_botanist
http://creativecommons.org/licenses/by-nc/4.0/

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edited: 25.01.2024