Plants of South Eastern New South Wales

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Colobanthus pulvinatus

Common name

Hard Cushion-plant

Family

Caryophyllaceae

Where found

Grassland, herbfields, very low shrubland in alpine feldmark, and disturbed areas. Kosciuszko National Park. One sighting from east of Cooma.

Notes

Perennial herb with leaves spreading, forming cushions about 2-10 cm diameter, sometimes forming dense, matted turfs. Hairless. Leaves and sepals with sharp tips. Leaves opposite each other, about 0.25-0.65 cm long, rigid, spreading, channelled above, convex below; with thickened margins, and a prominently keeled midrib. Flowers with 4-6 erect sepals free from each other, about 1.5-3.5 mm long. 0 petals. Stalks just below the flowers 1–2 mm long, thickened, shorter than the calyx. Flowers single. Flowering: summer.

 PlantNET description:  http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Colobanthus~pulvinatus (accessed 7 January, 2021)