Cornus sericea subsp. occidentalis (Torr. & A. Gray) Fosberg

Cornus occidentalis (T. & G.) Coville, Contr U. S. Nat. Herb. 4: 117. 1893.
Cornus circinnata sensu Cham. & Schlecht. Linnaca 3: 139. 1828. Not C. circinata L'Her. 1788.
Cornus alba /3 Hook. Fl. Bor. Am. 1: 276. 1833.
Cornus alba var. /3 circinnata G. Don, Gen. Hist. 3: 399. 1834. Not C. circinata L'Her. 1788.
Cornus sericea ? occidentalis T. & G. Fl. N. Am. 1: 652. 1840.
Cornus pubescens Nutt. Sylva 3: 54. 1849. Not C. pubescens Willd. 1827.
Svida pubescens Standley, Smithson. Misc. Coll. 56 33 : 3. 1912.
Cornus calif ornica var. pubescens F. MacBr. Contr. Gray Herb. 56: 54. 1918.
Cornus sericea subsp. occidentalis Fosberg, Bull. Torrey Club 69: 589. 1942.
Cornus sericea f. occidentalis Fosberg, Bull. Torrey Club 69: 589. 1942.
Shrubs; branchlets usually dark red, more or less hirsute, the white pith occupying half the diameter; leaf-blades commonly 6-10 cm. long, 3-5 cm. broad, lanceolate or ovate to elliptic, short-acuminate, broadly cuneate to rounded or subcordate at the base, sparsely strigillose above, paler and tomentose beneath, minutely papillose; veins commonly 5 or 6 on either side of the midrib, usually 4 arising from its lower half; petioles 1-1.5 cm. long, variously pubescent; inflorescence 4—6 cm. across, flattish, the lower 2 primary branches often separated by a short internode from the remainder, the peduncle and branches hirsute; pedicels 4-7 mm. long, sparsely or densely villose; hypanthium 2 mm. high, grey-strigillose; sepals 0.7 mm. long; petals 3-4 mm. long; style 2.5-3 mm. long; drupes white, about 8 mm. in diameter, the endocarp 4—5 mm. long and rather broader, often oblique, marked with 3 often broad and low ridges on each face and furrowed laterally.
Type locality: San Francisco, California.
Distribution: Southern British Columbia to southern California, eastward in the valley of the Columbia River.