familyRosaceae
subfamilyRosaceae subfam. Amygdaloideae
tribeRosaceae tribe Gillenieae
genusSorbus
subgenusSorbus subg. Sorbus
sectionSorbus sect. Tianshanicae
speciesSorbus sitchensis
varietySorbus sitchensis var. sitchensis

Sorbus sitchensis var. sitchensis

Peter F. Zika, Stéphane M. Bailleul
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.

"thin" is not a number."serrate" is not a number."/2" is not declared as a valid unit of measurement for this property.

... more about "Sorbus sitchensis var. sitchensis"
RDF feed
2n chromosome quantity
68 +
Achene arrangement
aggregated +
Androecium position
perigynous +
Anther dehiscence
dehiscent +
Apex architecture or shape
truncate +
Apex shape
conic;depressed;conic;depressed;concave;acute;obtuse +
Author
Peter F. Zika +  and Stéphane M. Bailleul +
Authority
M. Roemer +
Bark architecture or pubescence
scaly +
Bark architecture or pubescence or relief
smooth +
Bark coloration
grayish red +, initially reddish purple +  and brownish gray +
Basal leaf architecture
compound +  and simple +
Basal leaf arrangement
opposite +  and alternate +
Base shape
not +  and clawed +
Basionyms
Sorbus ser. +
Blade coloration
blue-green +  and paler +
Blade pubescence
glaucous +
Blade reflectance
shiny +  and dull +
Blade shape
ovate +  and oblong +
Blade some measurement
5 cm50 mm <br />0.05 m <br /> (33 cm330 mm <br />0.33 m <br />) +
Blade texture
membranous +  and slightly leathery +
Bract presence
absent +
Bracteole presence
absent +
Bud coating
not glutinous +
Bud coloration
red-purple +  and redbrown +
Bud pubescence
villous +  and glaucous +
Bud reflectance
dull +
Bud season
winter +
Bud shape
conic;ovoid +
Bud some measurement
0.8 cm8 mm <br />0.008 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Carpel atypical quantity
5 (8) +
Carpel fusion
distinct +
Carpel length
distinct +
Carpel position
proximal +
Carpel pubescence
woolly +
Carpel pubescence or texture
cartilaginous +
Carpel quantity
1/2 (2) +
Cauline leaf architecture
odd +  and simple +
Cauline leaf shape
divided +  and lobed +
Cell architecture
tanniferous +
Claw pubescence
villous +  and glabrous +
Core presence
absent +
Distribution
Alta. +, B.C. +, Yukon +, Alaska +, Calif. +, Idaho +, Mont. +, Oreg. +  and Wash. +
Drupe arrangement
not +  and aggregated +
Drupelet arrangement
aggregated +
Elevation
0–2400 m +
Epicalyx bractlet presence
absent +
Epidermis arrangement
single-layered +
Flower diameter
1.1 cm11 mm <br />0.011 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
Flower odor
rancid +, unpleasant +  and strong +
Flower position
epigynous +
Flower quantity
1/2 +
Flower reproduction
unisexual +  and bisexual +
Follicle arrangement
aggregated +
Fruits achene arrangement
not +  and aggregated +
Fruits follicle arrangement
not +  and aggregated +
Fruits pome architecture or pubescence or relief
with lenticels +  and smooth +
Fruits pome coloration
yellow +, brown +, red +  and orange +
Fruits pome pubescence
glabrous +, hairy +  and glaucous +
Fruits pome reflectance
shiny +
Fruits pome shape
Globose (Ovoid obovoid ellipsoid or oblong) +
Fruits pome some measurement
0.4 cm4 mm <br />0.004 m <br /> (1.9 cm19 mm <br />0.019 m <br />) +
Glomerule arrangement
fascicles +
Habitat
Open conifer woods, forest edges, mountain slopes, meadows, shores of lakes and streams +
Hair architecture or function or pubescence
glandular +
Hair coloration
whitish +  and rufous +
Hypanthium coloration
green +  and red +
Hypanthium duration
persistent +
Hypanthium pubescence
glaucous +  and glabrous +
Hypanthium shape
obconic +
Hypanthium some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Illustration copyright
Flora of North America Association +
Illustrator
Marjorie C. Leggitt +
Inflorescence architecture
6-400+-flowered +
Inflorescence position
axillary +
Inflorescence position or structure subtype
terminal +
Infructescence pubescence
villous +, glaucous +  and glabrous +
Integument architecture
crassinucellate +
Integument quantity
2 +
Leaf androecium position
epigynous +
Leaf architecture
compound +
Leaf arrangement
alternate +
Leaf duration
deciduous +
Leaf expansion position
epigynous +
Leaf perianth position
epigynous +
Leaf pubescence
hairy +
Leaflet arrangement
subopposite +  and opposite +
Leaflet atypical quantity
17 (19) +
Leaflet axil pubescence
hairy +
Leaflet margin architecture or shape
entire +  and serrate +
Leaflet presence
absent +
Leaflet pubescence
glaucous +
Leaflet quantity
2.2 (3.1) +
Leaflet ratio
0.6 cm6 mm <br />0.006 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Leaflet relief
papillose +
Leaflet shape
obovate +, ovate +, oblanceolate +, oblong +  and narrowly elliptic +
Lenticel orientation
horizontal +
Lenticel prominence
conspicuous +
Margin architecture or pubescence or shape
ciliate +
Margin architecture or shape
serrate +, entire or +  and finely coarsely serrate +
Margin prominence or shape
flat +
Margin ratio
toothed +
Margin shape
toothed +, unlobed +  and lobed +
Nectar disc presence
absent +
Number of lower taxa
0 +
Nutlet arrangement
aggregated +
Ovary position
inferior +  and superior +
Ovule arrangement
biseriate +  and clustered +
Ovule atypical quantity
2 (5) +
Ovule position
collateral +  and basal +
Ovule quantity
3 +  and 2 +
Panicle architecture
12-80-flowered +
Panicle diameter
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Panicle pubescence
hairy +, glaucous +  and glabrous +
Panicle shape
rounded +
Pedicel presence
absent +
Pedicel pubescence
glaucous or +  and sparsely densely villous +
Peduncle pubescence
glaucous or +  and sparsely densely villous +
Perianth position
perigynous +
Petal atypical quantity
0 (?) +  and 4 (?) +
Petal coloration
white +  and pink +
Petal fusion
free +  and distinct +
Petal length or size
longer +
Petal quantity
2 +  and 5 +
Petal shape
rhombic;ovate +
Petal some measurement
0.4 cm4 mm <br />0.004 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
Petiole node relief
5-lacunate +
Petiole presence
absent +
Phenology
Flowering spring +  and fruiting fall. +
Pistil atypical quantity
250 (450) +
Pistil fusion
adnate +, free +, connate +  and distinct +
Pistil quantity
1;250 +
Pome coloration
red +  and pinkish red +
Pome length
0.7 cm7 mm <br />0.007 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Pome pubescence
glaucous +
Pome reflectance
dull +
Pome shape
subglobose +  and broadly elliptic or obovoid +
Pome width
0.7 cm7 mm <br />0.007 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Publication title
Fam. Nat. Syn. Monogr. +
Publication year
1847 +
Reference
None +
Seed architecture
not arillate +
Seed architecture or shape
asymmetric +
Seed atypical quantity
2 (12) +
Seed coloration
redbrown +
Seed length
0.34 cm3.4 mm <br />0.0034 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Seed quantity
3;5 +
Seed shape
flattened;trigonous;symmetric;ovoid;ovoid-lanceolate oblong or elliptic +
Seed width
0.22 cm2.2 mm <br />0.0022 m <br /> (?) +  and 0.29 cm2.9 mm <br />0.0029 m <br /> (?) +
Sepal atypical quantity
5 (10) +
Sepal duration
persistent +
Sepal fusion
free +  and distinct +
Sepal orientation
incurved +
Sepal prominence
inconspicuous +
Sepal quantity
5 +
Sepal shape
triangular +  and ovate +
Sepal some measurement
0.1 cm1 mm <br />0.001 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
Sepal texture
fleshy +
Serration architecture or shape
serrate +
Serration relief
coarse +
Serration width
fine +
Short-shoot architecture
unarmed +
Short-shoot length or size
long +
Short-shoot presence
absent +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V9/V9 749.xml +
Special status
Endemic +
Stamen atypical quantity
20 (44) +
Stamen fusion
free +  and distinct +
Stamen quantity
15;20 +
Stem architecture
branched +  and simple +
Stem orientation
ascending +  and erect +
Stem quantity
1 +  and 8 +
Stigma architecture or shape
capitate +
Stipule architecture or shape
pinnate +
Stipule duration
deciduous +  and persistent +
Stipule fusion
short-adnate +  and free +
Stipule presence
absent +
Stipule shape
ovate;lanceolate or flabellate +
Style atypical some measurement
0.22 cm2.2 mm <br />0.0022 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Style duration
persistent +
Style fusion
distinct +
Style position
basal +, lateral +, subterminal +  and terminal +
Style position or structure subtype
terminal +
Style quantity
3;5 +
Style shape
elongate +
Style some measurement
0.15 cm1.5 mm <br />0.0015 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
Surface pubescence
glabrous +
Taxon family
Rosaceae +
Taxon name
Sorbus sitchensis var. sitchensis +
Taxon parent
Sorbus sitchensis +
Taxon rank
variety +
Torus development
developed +
Torus presence
absent +
Torus prominence
inconspicuous +
Torus size
minute +
Volume
Volume 9 +
Whole-organism pubescence
hairy +  and glabrous +
Whole organism architecture
unarmed +
Whole organism duration
perennial +
Whole organism growth form
shrub +
Whole organism some measurement
10dm (40dm) +
X chromosome quantity
17 +