familyRosaceae
subfamilyRosaceae subfam. Amygdaloideae
tribeRosaceae tribe Gillenieae
genusAmelanchier
speciesAmelanchier alnifolia
varietyAmelanchier alnifolia var. semiintegrifolia

Amelanchier alnifolia var. semiintegrifolia

(Hooker) C. L. Hitchcock in C. L. Hitchcock et al.

in C. L. Hitchcock et al., Vasc. Pl. Pacif. N.W. 3: 94. 1961.

Christopher S. Campbell, Michael B. Burgess, Kevin R. Cushman, Eric T. Doucette, Alison C. Dibble, Christopher T. Frye
Common names: Many-flowered shadbush
Endemic
Basionym: Amelanchier ovalis var. semiintegrifolia Hooker Fl. Bor.-Amer. 1: 202. 1832
Synonyms: A. florida var. humptulipensis G. N. Jones
Treatment appears in FNA Volume 9. Treatment on page 652. Mentioned on page 651, 654.

Shrubs or trees, 1–12 m. Stems 1–20, solitary or in colonies. Leaves: petiole (3–) 6.8–12.6 (–20) mm; blade elliptic to oval to orbiculate, (16–) 24–34 (–49) × (7–) 17–26 (–37) mm, base rounded or subcordate, apex subtruncate to rounded or acute, abaxial surface sparsely to moderately hairy, adaxial glabrous or sparsely (moderately) hairy. Inflorescences (4–) 6–9 (–12) -flowered, (8–) 14–26 (–35) mm. Pedicels: proximalmost (2–) 3–8 (–13) mm. Flowers: sepals (1.4–) 2.2–3.2 (–4) mm; petals oblanceolate to oval, (7.6–) 9.9–13.9 (–18.2) × (2.6–) 3.3–4.7 (–6.6) mm; ovary apex moderately to densely hairy (or glabrous). Pomes 10–13 mm diam. 2n = 4x.


Phenology: Flowering Mar–Jun; fruiting Jun–Aug.
Habitat: Woods, hillsides, roadsides, mountainsides
Elevation: 0–2100 m

Distribution

V9 1119-distribution-map.jpg

B.C., Alaska, Calif., Oreg., Wash.

Discussion

Variety semiintegrifolia is most similar to and intergrades with var. alnifolia; inflorescences and lowest pedicel lengths distinguish the two.

Selected References

None.

Lower Taxa

None.
... more about "Amelanchier alnifolia var. semiintegrifolia"
RDF feed
2n chromosome quantity
4 +
Abaxial surface condition
later +
Abaxial surface pubescence
hairy +
Achene arrangement
aggregated +
Adaxial surface coloration
paler +
Adaxial surface life cycle
maturity +
Adaxial surface pubescence
hairy +  and glabrous +
Adaxial tooth condition
later +
Adaxial tooth pubescence
hairy +  and glabrous +
Androecium diameter
1 cm10 mm <br />0.01 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
Androecium position
epigynous +
Anther dehiscence
dehiscent +
Apex pubescence
glabrous +  and hairy +
Apex shape
subtruncate;rounded or acute +
Author
Christopher S. Campbell +, Michael B. Burgess +, Kevin R. Cushman +, Eric T. Doucette +, Alison C. Dibble +  and Christopher T. Frye +
Authority
(Hooker) C. L. Hitchcock in C. L. Hitchcock et al. +
Bark architecture or pubescence or relief
fissuring in older trees +  and smooth +
Bark coloration
salmon colored +, brown +  and gray +
Basal leaf architecture
compound +  and simple +
Basal leaf arrangement
opposite +  and alternate +
Base shape
subcordate +  and rounded +
Basionyms
Amelanchier ovalis var. semiintegrifolia +
Blade atypical length
3.4 cm34 mm <br />0.034 m <br /> (4.9 cm49 mm <br />0.049 m <br />) +
Blade atypical width
2.6 cm26 mm <br />0.026 m <br /> (3.7 cm37 mm <br />0.037 m <br />) +
Blade length
2.4 cm24 mm <br />0.024 m <br /> (3.4 cm34 mm <br />0.034 m <br />) +
Blade shape
elliptic +  and oval +
Blade texture
membranous +  and coriaceous +
Blade width
1.7 cm17 mm <br />0.017 m <br /> (?) +  and 2.6 cm26 mm <br />0.026 m <br /> (?) +
Bract presence
absent +
Bracteole presence
absent +
Carpel atypical quantity
5 (8) +
Carpel fusion
adnate +  and connate +
Carpel pubescence or texture
cartilaginous +
Carpel quantity
2 (5) +
Cauline leaf architecture
simple +
Colony architecture
rhizomatous +
Common name
Many-flowered shadbush +
Distribution
B.C. +, Alaska +, Calif. +, Oreg. +  and Wash. +
Drupe arrangement
not +  and aggregated +
Drupelet arrangement
aggregated +
Elevation
0–2100 m +
Epicalyx bractlet presence
absent +
Flower reproduction
unisexual +  and bisexual +
Follicle arrangement
aggregated +
Fruits achene arrangement
not +  and aggregated +
Fruits follicle arrangement
not +  and aggregated +
Fruits pome coloration
purplish +  and nearly black pinkish or maroon-purple dark purple-blue or brownish +
Fruits pome diameter
0.6 cm6 mm <br />0.006 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Fruits pome shape
Globose (?) +
Fruits pome taste
sweet +
Glomerule arrangement
fascicles +
Habitat
Woods, hillsides, roadsides, mountainsides +
Hypanthium duration
persistent +
Hypanthium pubescence
glabrous +  and hairy +
Hypanthium shape
funnel +  and campanulate +
Illustration copyright
Flora of North America Association +
Illustrator
Marjorie C. Leggitt +
Inflorescence architecture
(4-)6-9(-12)-flowered +
Inflorescence arrangement
cluster +
Inflorescence atypical some measurement
2.6 cm26 mm <br />0.026 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
Inflorescence orientation
nodding +, spreading +, drooping +, erect +, ascending +  and arching +
Inflorescence position
axillary +
Inflorescence position or structure subtype
terminal +
Inflorescence some measurement
1.4 cm14 mm <br />0.014 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
Integument architecture
crassinucellate +
Integument quantity
2 +
Leaf architecture
compound +
Leaf arrangement
alternate +
Leaf duration
deciduous +
Margin architecture or shape
pinnate +, dentate +, serrate +  and entire +
Margin prominence or shape
flat +
Margin shape
toothed +, unlobed +  and lobed +
Nectar disc presence
absent +
Number of lower taxa
0 +
Nutlet arrangement
aggregated +
Ovary apex pubescence
hairy +
Ovary architecture
6-10-loculed +
Ovary position
inferior +  and superior +
Ovule arrangement
biseriate +  and clustered +
Ovule atypical quantity
2 (5) +
Ovule position
collateral +  and basal +
Ovule quantity
2 +
Pedicel presence
absent +
Pedicel quantity
2 +  and 1 +
Perianth diameter
1 cm10 mm <br />0.01 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
Perianth position
epigynous +
Petal atypical length
1.39 cm13.9 mm <br />0.0139 m <br /> (1.82 cm18.2 mm <br />0.0182 m <br />) +
Petal atypical quantity
0 (?) +  and 4 (?) +
Petal atypical width
0.47 cm4.7 mm <br />0.0047 m <br /> (0.66 cm6.6 mm <br />0.0066 m <br />) +
Petal coloration
pink +, ivory +  and white +
Petal fusion
free +  and distinct +
Petal length
9.9mm;13.9mm +
Petal quantity
5 +
Petal shape
oblanceolate;oval +
Petal variability
equal +
Petal width
0.33 cm3.3 mm <br />0.0033 m <br /> (0.47 cm4.7 mm <br />0.0047 m <br />) +
Petiole atypical some measurement
1.26 cm12.6 mm <br />0.0126 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Petiole presence
absent +
Petiole some measurement
0.68 cm6.8 mm <br />0.0068 m <br /> (1.26 cm12.6 mm <br />0.0126 m <br />) +
Phenology
Flowering Mar–Jun +  and fruiting Jun–Aug. +
Pistil atypical quantity
250 (450) +
Pistil fusion
adnate +, free +, connate +  and distinct +
Pistil quantity
1;250 +
Pome coloration
purple +  and black +
Pome diameter
1 cm10 mm <br />0.01 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Proximal 1/2 atypical quantity
5 (8) +
Proximal 1/2 quantity
3 (5) +
Proximal pedicel quantity
1 (3) +
Proximalmost pedicel atypical some measurement
0.8 cm8 mm <br />0.008 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Proximalmost pedicel some measurement
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Publication title
in C. L. Hitchcock et al., Vasc. Pl. Pacif. N.W. +
Publication year
1961 +
Raceme architecture
4-17-flowered +
Reference
None +
Seed architecture
not arillate +
Seed atypical quantity
2 (12) +
Seed presence
absent +
Seed quantity
few +
Sepal atypical quantity
5 (10) +
Sepal atypical some measurement
0.32 cm3.2 mm <br />0.0032 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Sepal duration
persistent +
Sepal fusion
free +  and distinct +
Sepal orientation
erect +  and recurved +
Sepal quantity
5 +
Sepal shape
triangular +  and lanceolate +
Sepal some measurement
0.22 cm2.2 mm <br />0.0022 m <br /> (0.32 cm3.2 mm <br />0.0032 m <br />) +
Short-shoot architecture
unarmed +
Short-shoot presence
absent +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V9/V9 1119.xml +
Special status
Endemic +
Stamen atypical quantity
21 (22) +
Stamen fusion
free +  and distinct +
Stamen height or length or size
shorter +
Stamen quantity
15;21 +
Stem architecture
branched +  and simple +
Stem architecture or arrangement or growth form
in colonies +  and solitary +
Stem growth form
colonial +  and solitary +
Stem life cycle
young +
Stem orientation
erect +  and ascending +
Stem pubescence
hairy;glabrous +
Stem quantity
1 +  and 20 +
Stigma architecture or shape
capitate +
Stipule architecture or shape
pinnate +
Stipule arrangement or course or shape
linear +
Stipule duration
caducous +
Stipule fusion
free +
Stipule presence
absent +
Style atypical some measurement
0.29 cm2.9 mm <br />0.0029 m <br /> (0.39 cm3.9 mm <br />0.0039 m <br />) +
Style duration
persistent +
Style fusion
connate +  and distinct +
Style position
basal +, lateral +, subterminal +  and terminal +
Style position or structure subtype
terminal +
Style quantity
5;4 +
Style shape
elongate +
Style some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.29 cm2.9 mm <br />0.0029 m <br />) +
Synonyms
A. florida var. humptulipensis +
Taxon family
Rosaceae +
Taxon name
Amelanchier alnifolia var. semiintegrifolia +
Taxon parent
Amelanchier alnifolia +
Taxon rank
variety +
Tooth atypical quantity
3 (9) +
Tooth quantity
0 (?) +  and 3 (?) +
Torus development
developed +
Torus presence
absent +
Torus prominence
inconspicuous +
Torus size
minute +
Volume
Volume 9 +
Whole organism architecture
unarmed +
Whole organism arrangement
fastigiate +
Whole organism duration
perennial +
Whole organism growth form
tree +  and shrub +
Whole organism some measurement
1m (12m) +
X chromosome quantity
17 +