Cornus nuttallii

Audubon

Ornithol. Biogr. 4: 482. 1838.

Common names: Pacific or mountain dogwood
WeedyEndemic
Synonyms: Benthamidia nuttallii (Audubon) Moldenke Cynoxylon nuttallii (Audubon) Shafer
Treatment appears in FNA Volume 12. Treatment on page 445. Mentioned on page 444.

Shrubs or trees to 20 m, flowering at 2 m. Stems clustered, bark forming square to rectangular plates 0.5–1 cm wide; branchlets green, maroon, or dark red, appressed-hairy; lenticels pale round or lenticular spots, with dark central pore. Leaves: petiole 5–17 mm; blade elliptic, ovate, or obovate, 6–15 × 3–9.5 cm, base broadly cuneate, apex short acuminate, abaxial surface pale green, appressed-hairy, tufts of erect hairs present in axils of secondary-veins, adaxial surface yellow green, appressed-hairy; secondary-veins 4–6 per side, most arising from proximal 1/2. Inflorescences convex, 1.5–3 cm diam., 40–75-flowered, subtended by pair of reduced leaves and pair of cataphylls; peduncle 40–60 mm; petaloid bracts 4–6, surrounding but not enclosing inflorescence through winter, white or tinged with pink, rhombic to obovate, 2.5–7 × 1.7–6 cm, apex short acuminate. Flowers: hypanthium appressed-hairy; sepals 1–1.5 mm; petals cream or yellow-green, rarely purple distally, 3–4 mm. Drupes red, closely appressed to each other, angular in cross-section, 10–17 × 5–7.5 mm; stone ellipsoid, 7–9 × 4–5 mm, smooth. 2n = 22.


Phenology: Flowering Apr–Jul, sometimes Sep–Oct; fruiting Aug–Oct.
Habitat: Dry to moist coastal coniferous and montane forests.
Elevation: 0–2400(–3000) m.

Distribution

V12 1076-distribution-map.jpg

B.C., Calif., Idaho, Oreg., Wash.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Cornus nuttallii"
versatile +  and dorsifixed +
curling +
ornamented +
Zack E. Murrell +  and Derick B. Poindexter +
Audubon +
0.5cm;1cm +
cuneate +
Cornus sect. Cynoxylon +
6 cm60 mm <br />0.06 m <br /> (15 cm150 mm <br />0.15 m <br />) +
obovate +, ovate +  and elliptic +
3cm;9.5cm +
tinged with pink;white +
2.5 cm25 mm <br />0.025 m <br /> (7 cm70 mm <br />0.07 m <br />) +
4 (?) +  and 6 (?) +
rhombic +  and obovate +
1.7 cm17 mm <br />0.017 m <br /> (6 cm60 mm <br />0.06 m <br />) +
appressed-hairy +
Pacific or mountain dogwood +
expanding +  and minute +
B.C. +, Calif. +, Idaho +, Oreg. +  and Wash. +
distinct +
1 cm10 mm <br />0.01 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
ellipsoid +, subglobose +  and globose +
0.5 cm5 mm <br />0.005 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
0–2400(–3000) m. +
Dry to moist coastal coniferous and montane forests. +
appressed-hairy +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
terminal +  and axillary +
reduced +
lenticular +, round +  and pale +
intrastaminal +
4 cm40 mm <br />0.04 m <br /> (6 cm60 mm <br />0.06 m <br />) +
distinct +
recurved +  and spreading +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
Flowering Apr–Jul, sometimes Sep–Oct +  and fruiting Aug–Oct. +
[1-]2[-4]-carpellate +
square;rectangular +
Ornithol. Biogr. +
connate +  and distinct +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Weedy +  and Endemic +
free +  and distinct +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
ellipsoid +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Benthamidia nuttallii +  and Cynoxylon nuttallii +
Cornus nuttallii +
Cornus subg. Cynoxylon +
species +
deciduous +  and perennial +
tree +  and shrub +