familyPolygonaceae
subfamilyPolygonaceae subfam. Polygonoideae
genusAconogonon
speciesAconogonon alaskanum
varietyAconogonon alaskanum var. alaskanum

Aconogonon alaskanum var. alaskanum

Harold R. Hinds†, Craig C. Freeman
Synonyms: Aconogonon hultenianum var. lapathifolium Chamisso & Schlechtendal Polygonum alpinum var. lapathifolium
Treatment appears in FNA Volume 5. Treatment on page 598.

Stem usually densely and retrorsely pubescent. Leaf-blades 5–16.8 × 2–6 cm, margins ciliate, faces pubescent.


Phenology: Flowering Jun–Aug.
Habitat: Montane slopes above treeline, steep hillsides, steep cut banks or sandy loam of rivers
Elevation: 100-1300 m

Distribution

V5 1216-distribution-map.gif

Yukon, Alaska, Europe (e Russia)

Discussion

Selected References

None.

Lower Taxa

None.

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

... more about "Aconogonon alaskanum var. alaskanum"
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2n chromosome quantity
20 +
Achene architecture
unwinged +
Achene architecture or shape
beaked +
Achene coloration
tan;grayish brown +
Achene length
0.26 cm2.6 mm <br />0.0026 m <br /> (0.38 cm3.8 mm <br />0.0038 m <br />) +
Achene position
exserted +  and included +
Achene pubescence
glabrous +
Achene reflectance
shiny +
Achene reproduction
homocarpic +
Achene shape
3-gonous +
Achene width
2mm;3mm +
Anther coloration
yellow +  and pink +
Anther dehiscence
dehiscing +
Anther shape
ovate +  and elliptic +
Apex shape
obtuse;acuminate +
Author
Harold R. Hinds† +  and Craig C. Freeman +
Authority
(Small) Soják +
Base position or shape
distal +
Base shape
obtuse +  and subcordate +
Basionyms
Polygonum alpinum var. alaskanum +
Blade architecture
simple +
Blade length
5 cm50 mm <br />0.05 m <br /> (20 cm200 mm <br />0.2 m <br />) +
Blade shape
narrowly lanceolate;ovate +
Blade texture
not subcoriaceous +
Blade width
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Bract architecture
foliaceous +  and perfoliate +
Bract fusion
connate +
Bract presence
absent +
Bract quantity
2;10 +
Bract shape
scale-like +
Bracteole fusion
connate +
Branch fusion
free +
Branch location
aerial +
Caudex stem architecture or arrangement
compact +
Caudex stem orientation
just below the soil surface or and above the soil surface +  and spreading +
Caudex stem texture
woody +
Distribution
Yukon +, Alaska +  and Europe (e Russia) +
Elevation
100-1300 m +
Embryo architecture or shape
folded +
Embryo course
curved +
Endosperm development
nuclear +
Endosperm pubescence or texture
mealy +
Endosperm quantity
abundant +
Face pubescence
pubescent +
Face shape
concave +
Filament fusion
adnate +, free +  and distinct +
Filament pubescence
glabrous +
Flower quantity
2;4 +
Flower reproduction
bisexual +
Flowering-stem architecture
disarticulating +  and solid +
Flowering-stem growth form or orientation
decumbent to erect +  and prostrate +
Flowering-stem location
aerial +
Flowering-stem orientation
Arising (?) +
Flowering-stem shape
fistulose +
Fruits achene architecture
unwinged +  and winged +
Fruits achene coloration
black +, red +, brown +  and yellowish +
Fruits achene position
exserted +  and included +
Fruits achene pubescence
pubescent +  and glabrous +
Fruits achene reproduction
homocarpic +
Fruits achene shape
spheroidal +, 4-gonous +, lenticular +, biconvex +, discoid +, 3-gonous +  and 2-gonous +
Habitat
Montane slopes above treeline, steep hillsides, steep cut banks or sandy loam of rivers +
Illustration copyright
Flora of North America Association +
Illustrator
Yevonn Wilson-Ramsey +
Inflorescence architecture
compound +, branched +  and simple +
Inflorescence architecture or shape
capitate +
Inflorescence arrangement
cluster +
Inflorescence position
axillary +
Inflorescence position or structure subtype
terminal +
Inflorescence shape
paniclelike +
Inner tepal quantity
3 +
Involucral-bract position
enclosed +
Involucre shape
tubular +
Involucre texture
nonmembranous +
Leaf-blade length
5 cm50 mm <br />0.05 m <br /> (16.8 cm168 mm <br />0.168 m <br />) +
Leaf-blade width
2cm;6cm +
Leaf architecture
sessile +  and petiolate +
Leaf arrangement
alternate +
Leaf duration
deciduous +
Leaf position
cauline +
Margin architecture
awn-tipped +
Margin architecture or pubescence or shape
ciliate +
Margin architecture or shape
entire +
Margin orientation or shape
oblique +
Margin pubescence
glabrous +  and pilose +
Margin shape
undulate +
Node shape
swollen +
Number of lower taxa
0 +
Ocreum architecture
partly +  and foliaceous +
Ocreum coloration
reddish-brown +
Ocreum duration
deciduous +  and persistent +
Ocreum presence
absent +
Ocreum pubescence or texture
chartaceous +
Ocreum shape
cylindric +
Ocreum some measurement
1 cm10 mm <br />0.01 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
Ocreum texture
coriaceous +  and membranous +
Outer tepal quantity
2 +
Outer tepal size
smaller +
Ovary architecture or structure in adjective form
1-locular +
Ovule orientation
anatropous +, , +  and orthotropous +
Ovule quantity
1 +
Pedicel architecture
articulate +
Pedicel presence
absent +
Pedicel size
accrescent +
Pedicel some measurement
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.01 cm0.1 mm <br />1.0e-4 m <br />) +
Peduncle architecture
awnless +
Peduncle arrangement
cluster +
Peduncle orientation
spreading;erect +
Peduncle presence
absent +
Peduncle pubescence
pubescent;glabrous +
Peduncle some measurement
0 cm0 mm <br />0 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Perianth architecture
unwinged +
Perianth coloration
greenish white;white +
Perianth duration
persistent +
Perianth pubescence
glabrous +
Perianth shape
rotate +
Perianth size
nonaccrescent +
Perianth some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Perianth texture
fleshy +, indurate +  and membranous +
Petiole architecture
articulate +
Petiole atypical some measurement
0.35 cm3.5 mm <br />0.0035 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Petiole presence
absent +
Petiole some measurement
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Phenology
Flowering Jun–Aug. +
Pistil architecture
(2-)3(-4)-carpellate +
Pistil quantity
1 +
Publication title
Preslia +
Publication year
1974 +
Reference
None +
Root architecture
tuberous +
Root size
slender;stout +
Root texture
woody +
Seed quantity
1 +
Segment shape
ringlike +
Slit dehiscence or orientation
longitudinal +
Soil orientation
Spreading (Erect) +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V5/V5 1216.xml +
Special status
Illustrated +
Spine orientation
recurved +
Stamen atypical quantity
1 (6) +
Stamen development
developed +
Stamen quantity
8 +
Staminode presence
absent +
Stem architecture
not scapose +
Stem architecture or function or pubescence
glandular +
Stem growth form
scandent +
Stem orientation
erect +
Stem pubescence
pubescent +
Stigma architecture
peltate +
Stigma architecture or shape
capitate +
Stigma quantity
1 +
Stigma shape
penicillate +, fimbriate +  and capitate +
Stipule architecture
foliaceous +
Stipule duration
deciduous +  and persistent +
Stipule presence
absent +
Stipule pubescence or texture
chartaceous +
Stipule shape
2-lobed +  and cylindric +
Stipule texture
coriaceous +  and membranous +
Style fusion
connate +  and distinct +
Style orientation
spreading;erect +
Style quantity
3 +
Surface orientation
spreading;erect +
Synonyms
Aconogonon hultenianum var. lapathifolium +  and Polygonum alpinum var. lapathifolium +
Taproot architecture
solid +
Taxon family
Polygonaceae +
Taxon name
Aconogonon alaskanum var. alaskanum +
Taxon parent
Aconogonon alaskanum +
Taxon rank
variety +
Tendril presence
absent +
Tepal architecture
petaloid +
Tepal architecture or shape
entire +
Tepal fusion
connate +
Tepal growth form
dimorphic +
Tepal length
1/4 +
Tepal quantity
5 +
Tepal shape
ovate +
Tepal texture
coriaceous +
Tube duration
persistent +
Tube texture
membranous +
Tubercle architecture or function or pubescence
glandular +
Tubercle coloration or relief
glandular-punctate +
Tubercle development
developing +
Tubercle prominence
raised +
Tubercle pubescence
pubescent +  and glabrous +
Volume
Volume 5 +
Whole organism architecture
homophyllous +
Whole organism atypical some measurement
150 cm1,500 mm <br />1.5 m <br /> (200 cm2,000 mm <br />2 m <br />) +
Whole organism duration
perennial +
Whole organism growth form
plant +
Whole organism reproduction
polycarpic +
Whole organism some measurement
50cm (150cm) +
Whorl quantity
2 +
X chromosome quantity
11 +, 10 +  and 8 +