(2007)  Includes photo(s).
 
Rosa woodsii prepared by Guy Nesom
Shrubs growing .2 -2 or 3 m high, sometimes forming impenetrable thickets. Stems reddish-brown to gray, with straight or slightly curved prickles. Leaflets 5-7, ovate or elliptic, finely toothed toward the tip. Flowers on branches lateral from old wood, 5 petals, pink to lilac pink or lavender; sepals lanceolate 1-2 cm long, erect and persistent. Hip is globose. Distinguished from similar species by shrubby, thicket-forming habit, stems with straight prickles and leaves and sepals without glands. Named for Joseph Woods, 1776-1864, English student of roses.
Woodsii forms natural hybrids with R. acicularis, R. arkansana, R. blanda and probably others.
Native from Ontario, Manitoba, Wisconsin, Minnesota, Iowa, south to Texas and northern Mexico, west to California and Alaska.
Produces flowers at 2-5 years of age with a good crop every 2 years. Seed is viable 2-5 years.

(2007)  
 
Rosa woodsii Lindl. var. gratissima (Greene) Cole prepared by Guy Nesom
Shrubs growing .2 -2 or 3 m high, sometimes forming impenetrable thickets. Stems reddish-brown to gray, with straight or slightly curved prickles. Leaflets 5-7, ovate or elliptic, finely toothed toward the tip. Flowers on branches lateral from old wood, 5 petals, pink to lilac pink or lavender; sepals lanceolate 1-2 cm long, erect and persistent. Hip is globose. Distinguished from similar species by shrubby, thicket-forming habit, stems with straight prickles and leaves and sepals without glands. Named for Joseph Woods, 1776-1864, English student of roses.
Native to California and Nevada.
Produces flowers at 2-5 years of age with a good crop every 2 years. Seed is viable 2-5 years.
var. ultramontana is the far-western entity, sometimes regarded as including var. glabrata (California endemic) and var. gratissima (California and Nevada).