New Mexico Cinquefoil

Potentilla oblanceolata Rydb. Mem. Dep. Bot. Columbia
Univ. 2 : 53. 1898.
Perennial ; stems several from the caudex, decumbent or spreading, about 1 dm. long, with few leaves, silky-villous ; basal leaves numerous, digitately 5-foliolate, silky and green above, densely white-tomentose beneath; leaflets narrowly oblanceolate, 3-5 em. long, serrate with small forwardly directed teeth ; stem-leaves trifoliolate or simple ; stipules brown and decurrent,the free portion long, linear-lanceolate; hypanthium silky and white-tomentose ; bractlets narrowly lanceolate, nearly equaling the similar sepals ; petals yellow, broadly obcordate, exceeding the sepals by about one third ; stamens 20 ; pistils many ; styles short, filiform.
Type locality : Southwestern Chihuahua. Distribution: New Mexico and Chihuahua.