Acaena echinata
subglabricalyxLeaflets glabrous on upper surface or nearly so, with some hairs on main veins underneath, ovate to oblong, 4–23 mm long, serrate. Stamens 2–8. Calyx prickles several with 3–8 longer than the rest, thickened basally and forming longitudinal ridges. Blue Mts Grasslands and forests