Potentilla rubricaulis Lehm.

Potentilla virgulata A. Nelson, Bull. Torrey Club
27: 265. 1900.
Perennial, with a tap-root and short caudex ; stems 1 or 2, simple, erect, strict, 3-4 dm. high, slightly appressed-pubescent ; basal leaves pinnate, with 5-7 leaflets; petioles 6-10 cm. long, sparingly appressed-hairy ; leaflets obovate in outline, 1-2 cm. long, green and sparingly appressed-silky above, grayish or white beneath, dissected into narrowly linear divisions with revolute margins ; stem-leaves 5-foliolate, with more approximate leaflets, or the uppermost 3-foliolate ; stipules ovate-lanceolate, often acuminate ; cyme severalflowered, congested ; hypanthium grayish-pubescent, in fruit 4 mm, broad ; bractlets linear, equaling the lanceolate sepals, 2-3 mm. long; petals small, orbicular, about 4 mm. long, slightly emarginate ; stamens about 20 ; pistils numerous ; styles short, glandular at the
base.
Type locality : Wet, grassy flat, near Mammoth Hot Springs, Wyoming. Distribution : Wyoming and Utah to Alaska.

Potentilla rubricaulis Lehm. Stirp. Pug. 2 : 11. 1830
Perennial, with a short caudex ; stems several, ascending, about 2 dm. high, often tinged with red, pubescent with spreading hairs ; basal leaves pinnate with 5 approximate leaflets, rarely trifoliolate ; petioles 3-7 cm. long, pubescent with spreading, J^airs ; leaflets 1-3 cm. long, obovate or oblanceolate, glabrate above, white-tomentose beneath,
*
pinnately cleft into lanceolate acute teeth ; stem-leaves mostly ternate ; stipules ovatelanceolate, acute, entire ; cyme 5-9-flowered ; bractlets lance-oblong, acute ; sepals ovatelanceolate; petals obcordate, a little longer than the sepals ; stamens about 20 ; pistils many;
styles filiform.
Type locality: [Not given in the original publication, but supplied in Hooker's Flora.] Near Bear I,ake, Mackenzie.
Distribution : Arctic America from the Mackenzie to Kllesmere I^and.

Potentilla paucijuga Rydberg, sp. nov
Perennial, with a short caudex ; stems about 2 dm. high, tinged with purple, somewhat villous-hirsute, ascending or decumbent ; basal leaves pinnate, with 5 leaflets ; petioles villous-hirsute with spreading hairs, 4-5 cm. long ; terminal leaflet broadly obovate, 2-2.5 cm. long, sessile, green but densely hairy above, white-torn en tose and silky beneath, divided two thirds to the midrib into linear or oblong, acutish divisions ; lateral leaflets similar but smaller ; stem-leaves 1 or 2, trifoliolate, short-petioled ; stipules lanceolate, 1-1.5 cm. long; cyme 10-1 3 -flowered ; hypanthium y ellowishvillous ; bractlets linear, 2-3 mm. long, acute ; sepals lanceolate, acute, 5 mm. long ; petals yellow, broadly obovate, emarginate, about 6 mm. long ; stamens about 20 ; pistils many ; styles short, glandular and slightly thickened at the base.
Type collected on grassy slopes in the La Sal Mountains, Utah, at an altitude of 2700-3300 m., in 1899, C. A. Purpus251, in part (U. S. Nat. Herb. no. 505062, in part).

Potentilla saximontana Rydb. Bull. Torrey Club
23: 399. 1896.
Densely cespitose perennial ; stems several, 1-3-flowered, less than 1 dm. long, silkypubescent ; basal leaves numerous, pinnate with 5-7 often approximate leaflets, silkypubescent and somewhat tomentose beneath, short-petioled ; leaflets deeply dissected into oblong, obtuse or acute segments ; flowers 1-1.5 cm. in diameter ; hypanthium densely silky ; bractlets oblong, obtuse, shorter than the broadly ovate-triangular sepals, which are about 4 mm. long; petals broadly obcordate, 5-7 mm. long, much longer than the sepals;, stamens about 20 ; style nearly terminal, about equaling the smooth achene.
Type locality : Colorado.
Distribution : Mountains of Colorado.

Potentilla rubricaulis adalah spesies tumbuhan yang tergolong ke dalam famili Rosaceae. Spesies ini juga merupakan bagian dari ordo Rosales. Spesies Potentilla rubricaulis sendiri merupakan bagian dari genus Potentilla. Nama ilmiah dari spesies ini pertama kali diterbitkan oleh Lehm..