Plants of South Eastern New South Wales

Gonocarpus montanus

Flowers and leaves. Photographer Russell Best, Baw Baw National Park, Vic

Flowering plants. Photographer Richard Hartland, Lake Mountain, Vic

Flowering plants. Photographer Don Wood, south of Braidwood

Common name

Mat Raspwort

Family

Haloragaceae

Where found

Herbfields and stony sites at high altitude. Kosciuszko National Park. ACT, tablelands, and ranges.

Notes

Perennial herb to 0.15 m high or prostrate, mats to 40 cm diameter. Stems 4-angled, thin and wiry, hairy to sparsely hairy with short appressed hairs. Leaves opposite each other, 0.35–1 cm long, 2–6 mm wide, leathery, margins thickened, and with 4–6 teeth, surfaces sparsely hairy with short appressed hairs, becoming hairless. Flowers with 4 hooded petals 1–1.8 mm long, 4 stamens producing pollen, and 4 stamens not producing pollen. Flowers in spike-like clusters. Seed cases grey, oval, about 1.5 mm long, 8-ribbed, often with 2 oblique thickened regions between the ribs. (needs a hand lens or a macro app on your phone/tablet to see).

All native plants on unleased land in the ACT are protected.

PlantNET description:  http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Gonocarpus~montanus (accessed 22 January, 2021)