Cream Woodbeauty

Drymocallis convallaria Rydb. Mem. Dep. Bot. Columbia
Univ. 2 : 193. 1898.
Potentilla convallaria Rydb. Bull. Torrey Club 24 : 249. 1897.
Stem tall, erect, 4-10 dm. high, longvillous but not very densely so, glandular or viscid, especially above, branched above, with long erect branches ; stipules ovate or lanceolate, more or less toothed, about 1 cm. long ; basal leaves several, with villous petioles 5-10 cm. long, pinnate; leaflets 9-11, slightly long-pubescent or glabrate, the upper 3-5 cm. long, rhombic-obovate and acute, coarsely serrate and incised with ovate teeth, the lower leaflets more ovate ; stem-leaves with fewer more acutish leaflets ; cyme with rather elongate upright branches, but with short pedicels, and therefore rather long and narrow ; flowers 10-18 mm. in diameter ; hypanthium densely glandularviscid, villous, not much enlarged in fruit, 8-10 mm. in diameter; petals broadly obovate, white, turning yellow in drying, a little longer than the sepals ; bractlets lanceolate, much smaller than the ovatelanceolate sepals, which are about 5 mm. long in flower and 8 mm. in fruit ; stamens about 25 ; anthers flat, slightly cordate at the base; pistils numerous.
Type locality : Near Bozeman, Montana. .
Distribution : Valleys from Montana to New Mexico, rather local.