Epilobium porphyrium G.Simpson

"A small, much-branched plant to about 10 cm. high. Rootstock short, woody. Stems slender, decumbent and rooting at the base, red, bifariously pubescent. Leaves crowded, 10-15 mm. long, 4-5 mm. broad. Petioles shortly connate at the base, red; blade ovate or obovate oblong, obtuse, obscurely toothed or sinuate at the margins, purplish, or sometimes purplish green, glabrous; paler beneath and base of the midrib prominent. Flowers small, almost sessile in the axils of the uppermost leaves, 1·5 cm. long, 5 mm. diam., white; calyx segments lanceolate, bluntly tipped; limb slightly exceeding the calyx. Stigma clavate. Capsules minutely pubescent, 3 cm. long, red, fruited; [fruiting] peduncles short, 4 mm. long. Seeds obovate oblong, papillose.