Potentilla crantzii subsp. crantzii

Potentilla friesiana Lange, FL Dan. 17 50 : 8. 1880
Potentilla maculata Fries ; I^ange, Fl. Dan. 17 50 : 8, as a synonym. 1880.
Perennial ; stems several from a thick rootstock, 1 dm. high or more, ascending or erect, pilose with long hairs ; basal leaves numerous, short-petioled, glutinous, long-pilose, especially beneath ; stem-leaves 1 or 2 ; leaflets broadly obovate, crenately 3or 4-toothed at the apex; stipules ovate, entire, the lower acute, the upper obtuse ; cyme several-flowered, crisp-lanate and glandular ; bractlets elliptic, obtuse, half as long as the ovate acute sepals ; petals twice as long as the sepals, broadly emarginate ;
Type locality: Kuanersuit, Disco, Greenland. Distribution : Known only from the type locality.

Potentilla langeana Rydb. Bull. Torrey Club 28 : 199. 1901
Potentilla maculata hirta Lange, Consp. Fl. Groenl. 6. 1880. Not P. hirla I,. 1753.
Perennial, with cespitose rootstock; stems erect or ascending-, 2-3 dm. high, sparingly hirsute, with erect branches ; basal leaves digitately 5-foliolate ; stipules large, adnate, lanceolate, 1-2 cm. long ; petioles 3-8 cm. long, sparingly hirsute ; leaflets cuneateobovate, more or less densely silky-hirsute on both sides, 1-3 cm. long, coarsely toothed above the middle with oblong-ovate obtuse teeth, the cuneate base entire ; lower stem-leaves similar but smaller and short-petioled ; upper stem-leaves ternate or simple and subsessile ; stipules ovate, acutish, about 1 cm. long; cyme 3-7-flowered ; hypanthium silky-hirsute; bractlets oblong to lanceolate, acute or obtuse, about one fourth shorter than the lanceolate sepals, which are 4-5 mm. long ; petals broadly obcordate, 7-8 mm. long ; stamens about 20 ; pistils many ; styles filiform.
Type locality : Amaralik Fjord, Greenland. Distribution : Greenland.