familyPolygonaceae
subfamilyPolygonaceae subfam. Polygonoideae
genusPolygonum
sectionPolygonum sect. Duravia
speciesPolygonum polygaloides
Polygonum polygaloides subsp. polygaloides
IllustratedEndemic
Synonyms: Polygonum polygaloides var. montanum Brenckle
Stems 5–25 cm. Inflorescences mostly confined to tips of branches, globose to ovoid, 7–14 × 8–15 mm; bracts ascending or appressed, oblong to broadly ovate or elliptic, 4–9 mm, ± rigid, margins flat, undulate, or sometimes revolute, white, scarious portion 0.5–1 mm wide; midveins thin, lateral-veins thickened and prominent adaxially. Flowers: perianth 2.5–3 mm; tube 19–30% of perianth length; tepals white or pink; perianth-tube and base of tepals often ± crisped or undulate; stamens 8. Achenes dark-brown, ovatelanceolate, 1.3–2.1 mm, reticulate with longitudinal ridges, dull.
Phenology: Flowering May–Aug.
Habitat: Dry beds of ponds and watercourses, roadsides, drainage pits
Elevation: 500-1800 m
Distribution
Alta., Idaho, Mont., Oreg., Wash., Wyo.
Discussion
Selected References
None.
Lower Taxa
None.
"/2" is not declared as a valid unit of measurement for this property.
... more about "Polygonum polygaloides subsp. polygaloides"
reticulate +
dark-brown +
glabrous +
dull +
homocarpic +
ovatelanceolate +
1.3mm;2.1mm +
dehiscing +
acute;acuminate +
caducous +
distal +
3-veined +
narrowly linear;subround +
coriaceous +
connate +
absent +
2;10 +
rigid +
connate +
free +
aerial +
woody +
1-3-flowered +
crowded +
reduced +
silvery +
persistent +
lacerate +
curved +
nuclear +
abundant +
glabrous +
closed +
1;7 +
bisexual +
aerial +
fistulose +
homocarpic +
Present +
capitate +
cluster +
axillary +
length +
enclosed +
tubular +
nonmembranous +
prominent +
thickened +
articulated +
distributed +
deciduous +
cauline +
awn-tipped +
white +
glaucous +
not rugulose +
undulate +
revolute +
thickened +
thin +
swollen +
4-8-veined +
disintegrating +
absent +
glabrous +
chartaceous +
2-lobed +
somewhat larger +
equaling +
articulate +
erect +
absent +
accrescent +
awnless +
cluster +
spreading;erect +
absent +
unwinged +
greenish white;pink +
persistent +
glabrous +
nonaccrescent +
articulated +
absent +
(2-)3(-4)-carpellate +
scarious +
not pruinose +
cylindric +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
1856 +
absent +
obscure +
longitudinal +
tuberous +
not conspicuous +
ringlike +
longitudinal +
recurved +
absent +
green +
scandent +
prostrate +
erect +
glabrous +
papillous-scabridulous +
4-gonous +
peltate +
capitate +
foliaceous +
absent +
chartaceous +
spreading +
spreading;erect +
solid +
Polygonum polygaloides subsp. polygaloides +
Polygonum polygaloides +
subspecies +
absent +
petaloid +
entire +
overlapping +
dimorphic +
connate +
coriaceous +
persistent +
membranous +
glandular-punctate +
developing +
raised +
inconspicuous +
homophyllous +
not glaucous +
homocarpic +
not succulent +
annual +
heterocarpic +