Aconogonon alaskanum var. alaskanum

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.

tan;grayish brown +
0.26 cm2.6 mm <br />0.0026 m <br /> (0.38 cm3.8 mm <br />0.0038 m <br />) +
exserted +  and included +
3-gonous +
yellow +  and pink +
ovate +  and elliptic +
Harold R. Hinds† +  and Craig C. Freeman +
(Small) Soják +
obtuse +  and subcordate +
Polygonum alpinum var. alaskanum +
5 cm50 mm <br />0.05 m <br /> (20 cm200 mm <br />0.2 m <br />) +
narrowly lanceolate;ovate +
2cm;8cm +
foliaceous +  and perfoliate +
scale-like +
just below the soil surface or and above the soil surface +  and spreading +
Yukon +, Alaska +  and Europe (e Russia) +
100-1300 m +
concave +
adnate +, free +  and distinct +
disarticulating +  and solid +
decumbent to erect +  and prostrate +
unwinged +  and winged +
black +, red +, brown +  and yellowish +
exserted +  and included +
pubescent +  and glabrous +
spheroidal +, 4-gonous +, lenticular +, biconvex +, discoid +, 3-gonous +  and 2-gonous +
Montane slopes above treeline, steep hillsides, steep cut banks or sandy loam of rivers +
compound +, branched +  and simple +
nonmembranous +
5 cm50 mm <br />0.05 m <br /> (16.8 cm168 mm <br />0.168 m <br />) +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
sessile +  and petiolate +
deciduous +
glabrous +  and pilose +
undulate +
swollen +
partly +  and foliaceous +
reddish-brown +
deciduous +  and persistent +
cylindric +
1 cm10 mm <br />0.01 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
coriaceous +  and membranous +
anatropous +, , +  and orthotropous +
accrescent +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.01 cm0.1 mm <br />1.0e-4 m <br />) +
pubescent;glabrous +
0 cm0 mm <br />0 m <br /> (4 cm40 mm <br />0.04 m <br />) +
nonaccrescent +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
fleshy +, indurate +  and membranous +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Flowering Jun–Aug. +
(2-)3(-4)-carpellate +
slender;stout +
Illustrated +
not scapose +
penicillate +, fimbriate +  and capitate +
deciduous +  and persistent +
? (?) +  and ? (?) +
coriaceous +  and membranous +
connate +  and distinct +
spreading;erect +
Aconogonon hultenianum var. lapathifolium +  and Polygonum alpinum var. lapathifolium +
Aconogonon alaskanum var. alaskanum +
Aconogonon alaskanum +
variety +
coriaceous +
persistent +
membranous +
pubescent +  and glabrous +
11 +, 10 +  and 8 +