Sorbus sitchensis var. sitchensis

Endemic
Treatment appears in FNA Volume 9. Treatment on page 444.

Leaflets: l/w ratio 2.2–3.1, margins toothed apically, serrate for more than 1/2 their length, serrations fine to coarse, sometimes doubly serrate. Flowers: petals white, pink or white in bud, claw glabrous or villous; styles 1.5–2.2 (–3) mm. 2n = 68.


Phenology: Flowering spring; fruiting fall.
Habitat: Open conifer woods, forest edges, mountain slopes, meadows, shores of lakes and streams
Elevation: 0–2400 m

Distribution

V9 749-distribution-map.jpg

Alta., B.C., Yukon, Alaska, Calif., Idaho, Mont., Oreg., Wash.

Discussion

Selected References

None.

Lower Taxa

None.
Peter F. Zika +  and Stéphane M. Bailleul +
M. Roemer +
grayish red +, initially reddish purple +  and brownish gray +
compound +  and simple +
opposite +  and alternate +
not +  and clawed +
Sorbus ser. +
blue-green +  and paler +
shiny +  and dull +
ovate +  and oblong +
5 cm50 mm <br />0.05 m <br /> (33 cm330 mm <br />0.33 m <br />) +
? (?) +  and ? (?) +
not glutinous +
red-purple +  and redbrown +
villous +  and glaucous +
0.8 cm8 mm <br />0.008 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
odd +  and simple +
divided +  and lobed +
tanniferous +
villous +  and glabrous +
Alta. +, B.C. +, Yukon +, Alaska +, Calif. +, Idaho +, Mont. +, Oreg. +  and Wash. +
not +  and aggregated +
0–2400 m +
single-layered +
1.1 cm11 mm <br />0.011 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
rancid +, unpleasant +  and strong +
unisexual +  and bisexual +
not +  and aggregated +
not +  and aggregated +
yellow +, brown +, red +  and orange +
glabrous +, hairy +  and glaucous +
0.4 cm4 mm <br />0.004 m <br /> (1.9 cm19 mm <br />0.019 m <br />) +
Open conifer woods, forest edges, mountain slopes, meadows, shores of lakes and streams +
whitish +  and rufous +
green +  and red +
glaucous +  and glabrous +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
villous +, glaucous +  and glabrous +
crassinucellate +
deciduous +
subopposite +  and opposite +
0.6 cm6 mm <br />0.006 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
papillose +
obovate +, ovate +, oblanceolate +, oblong +  and narrowly elliptic +
serrate +, entire or +  and finely coarsely serrate +
toothed +, unlobed +  and lobed +
inferior +  and superior +
biseriate +  and clustered +
collateral +  and basal +
3 +  and 2 +
12-80-flowered +
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 m <br />) +
hairy +, glaucous +  and glabrous +
glaucous or +  and sparsely densely villous +
glaucous or +  and sparsely densely villous +
0 (?) +  and 4 (?) +
White (?) +  and Pink (?) +
free +  and distinct +
2 +  and 5 +
0.4 cm4 mm <br />0.004 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
Flowering spring +  and fruiting fall. +
adnate +, free +, connate +  and distinct +
red +  and pinkish red +
0.7 cm7 mm <br />0.007 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
subglobose +  and broadly elliptic or obovoid +
0.7 cm7 mm <br />0.007 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Fam. Nat. Syn. Monogr. +
not arillate +
0.34 cm3.4 mm <br />0.0034 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
flattened;trigonous;symmetric;ovoid;ovoid-lanceolate oblong or elliptic +
0.22 cm2.2 mm <br />0.0022 m <br /> (?) +  and 0.29 cm2.9 mm <br />0.0029 m <br /> (?) +
persistent +
free +  and distinct +
inconspicuous +
triangular +  and ovate +
0.1 cm1 mm <br />0.001 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
free +  and distinct +
branched +  and simple +
ascending +  and erect +
1 +  and 8 +
deciduous +  and persistent +
short-adnate +  and free +
0.22 cm2.2 mm <br />0.0022 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
persistent +
distinct +
basal +, lateral +, subterminal +  and terminal +
elongate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
Sorbus sitchensis var. sitchensis +
Sorbus sitchensis +
variety +
inconspicuous +
hairy +  and glabrous +