Petrocosmea thermopuncta J.M.H.Shaw
Petrocosmea Oliv. Rosette forming, almost stemless perennial herb. Leaves50 or more, basal, imbricating, to 55 × 25 mm; petiole narrow, to 15 mm;blade obovate, base cuneate, apex rounded, margin undulate, upperhalf regularly and shallowly dentate, midrib obscure above, dark green,prominent below,...