Rosa nutkana Presl. ssp. nutkana × Rosa rugosa Thunb

Washington: Jefferson County: Indian Island County Park, on tombolo connecting Indian and Marrowstone Islands. Plants scattered along sandspit, these collected at base of scarp on Indian Island: From parking area under oaks, follow trail out to the sandspit, then turn right to island; sampled plants are located at junction of spit, cliff, and forest descending from clifftop. Elev. 0 m.
48.0188° N, 122.7051° W
All plants in fruit; only those in moist area below cliff reblooming. Growing with both parents, but not extending into shade with R. nutkana.¶Plants varying from diffuse and 0.5m tall on sand, to 3-4m and thicket-forming along cliff. Stems often thin, somewhat whip-like. Leaves very large compared to flowers, mildly rugose, dull matte green adaxially, lighter abaxially. Flowers clustered, petals pink (unknown if size is correlated to late flowering). (Fruit did not preserve well; fruiting pedicels bent downward, bracteate, light green except adjacent to hip; calyx long and sometimes foliate, glandular-prickly, connivent, same color as hips; hips sometimes mature, sometimes aborted, pyriform, a little over 1cm broad.) Phenology: Flowers.

Alexander J. Wright 2017-128, Aug 19, 2017
WTU, Accession: 420254, Barcode: WTU-V-044490