Potentilla recta subsp. recta

Potentilla sulphurea Lam. Fl. Fr. 3 : 114. 1778
Poientilla recta Willd. Sp. PI. 2 : 1099. 1800. ^Not P. recta I,. 1753. Potentilla pallida Lag.; Besser, Knum. PI. Volh. 69. 1822. Potentilla recta pallida L,ehm. Stirp. Pug. 9 : 47. 1851.
Perennial ; stems tall, 4-7 dm. high, strict and leafy, branched above, finely pubescent and with scattered long hairs, pale-green ; stipules ovate in outline, 1-1.5 cm. long, generally pectinately toothed ; lower leaves digitate, of about 7 leaflets, with petioles about 1 dm. long, sparingly pubescent and hirsute on both sides, pale-green, strongly veined, the upper 5-foliolate and short-petioled and the uppermost ternate and sessile ; leaflets narrowly oblanceolate, deeply toothed, with triangular-acute divergent teeth ; hypanthium hirsute, in fruit 12-15 cm. in diameter ; bractlets oblong-lanceolate, about equaling the triangularlanceolate acute sepals, which are 6-8 mm. long; corolla about 20 mm. in diameter ; petals obovate, deeply emarginate, sulfur-yellow, about 1 cm. long; stamens about 30; pistils numerous ; styles filiform, but short ; achene reticulate when mature.
Type locality : Mountains of the southern provinces [France] . #
Distribution : Native of Europe and northwestern Asia ; sparingly established from Vermont to the District of Columbia, Illinois, and Michigan.