[Roses East of the Cascade Mountains of Oregon and Washington]

Sweetbriar Rose

Rosa eglanteria

Synonym: Rosa rubiginosa

Flower of Sweetbriar Rose: Rosa eglanteria (Synonym: Rosa rubiginosa)

Close-up of the flower of sweetbriar rose as seen at the northeastern base of Steptoe Butte..................June 22, 2009.

Flower bud of Sweetbriar Rose: Rosa eglanteria (Synonym: Rosa rubiginosa)--- Flower of Sweetbriar Rose: Rosa eglanteria (Synonym: Rosa rubiginosa) --- Calyx of Sweetbriar Rose: Rosa eglanteria (Synonym: Rosa rubiginosa)

Close-ups of the flowers and flower buds of sweetbriar rose as seen at the northeastern base of Steptoe Butte..................June 22, 2009. Note the numerous gland-tipped hairs covering the outer surface of the sepals. The sepals are are often lobed and elongated and widened at the tip.

Thorns of Sweetbriar Rose: Rosa eglanteria (Synonym: Rosa rubiginosa) --- Thorn of Sweetbriar Rose: Rosa eglanteria (Synonym: Rosa rubiginosa)

Close-ups of the sturdy, curved prickles of sweetbriar rose as seen at the northeastern base of Steptoe Butte..................June 22, 2009.

Sweetbriar Rose: Rosa eglanteria (Synonym: Rosa rubiginosa)

Close-up of the flowers and leaves of sweetbriar rose as seen at the northeastern base of Steptoe Butte..................June 22, 2009. Note the numerous gland-tipped hairs covering the leaf blades and margins as well as the outer surface of the sepals. The sepals are are often lobed and elongated and widened at the tip.

Paul Slichter