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2n chromosome quantity
14 +
4-locular septum architecture
incomplete +
4-locular septum architecture or structure in adjective form
1-locular +
Androecium position
epigynous +
Anther fixation
versatile +
Anther some measurement
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Apex shape
obtuse +
Author
Warren L. Wagner +
Authority
(Rydberg) W. Dietrich & P. H. Raven +
Basal leaf arrangement
alternate +
Basal leaf position
cauline +
Basal leaf presence
absent +
Basal stem atypical width
4 cm40 mm <br />0.04 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Basal stem length
10 cm100 mm <br />0.1 m <br /> (30 cm300 mm <br />0.3 m <br />) +
Basal stem width
1.2 cm12 mm <br />0.012 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Base coloration
pale green +  and yellow usually fading orange purple pale-yellow reddish or whitish +
Base shape
pedicel-like +
Basionyms
Onagra strigosa +
Berry architecture or shape
nutlike +
Berry dehiscence
indehiscent +  and loculicidal +
Blade coloration
grayish green +, green +  and dull +
Blade margin architecture or shape
dentate +
Blade margin prominence
not prominent +
Blade margin shape
subentire +  and denticulate +
Blade shape
oblanceolate +  and narrowly elliptic or narrowly lanceolate +
Bract architecture
unbranched +  and open +
Bract density
dense +
Bract duration
persistent +
Bract orientation
erect +
Branch orientation
arising +
Bud diameter
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Bud orientation
erect +
Bud shape
quadrangular +
Bud some measurement
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Capsule architecture
sessile +
Capsule architecture or shape
nutlike +
Capsule architecture or structure in adjective form
4-locular +
Capsule coloration
gray-green +, green +  and dull +
Capsule condition or texture
dry +
Capsule course
curved +  and straight +
Capsule course or shape
sigmoid +
Capsule dehiscence
indehiscent +  and dehiscent +
Capsule diameter
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Capsule length
2 cm20 mm <br />0.02 m <br /> (4.3 cm43 mm <br />0.043 m <br />) +
Capsule orientation
spreading +  and erect +
Capsule shape
lanceoloid +
Capsule texture
woody +
Capsule width
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Carpel quantity
Many (?) +
Cauline stem atypical width
2.5 cm25 mm <br />0.025 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Cauline stem length
5 cm50 mm <br />0.05 m <br /> (20 cm200 mm <br />0.2 m <br />) +
Cauline stem width
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Cel reproduction
vegetative +
Distribution
Alta. +, B.C. +, Man. +, N.W.T. +, Ont. +, Sask. +, Ariz. +, Calif. +, Colo. +, Idaho +, Mich. +, Minn. +, Mont. +, Nebr. +, Nev. +, N.Mex. +, N.Dak. +, Oreg. +, S.Dak. +, Utah +, Wash. +, Wis. +  and Wyo. +
Elevation
30–3200 m. +
Embryo-sac coating
oily +
Embryo-sac course
straight +
Embryo-sac presence
absent +
Embryo coating
oily +
Embryo course
straight +
Embryo presence
absent +
Endosperm coating
oily +
Endosperm course
straight +
Endosperm presence
absent +
Epidermis coloration
whitish +  and green +
Epidermis relief
exfoliating +
Filament architecture
dithecal +
Filament fixation
basifixed +  and versatile +
Filament fusion
distinct +
Filament some measurement
0.7 cm7 mm <br />0.007 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Floral-tube atypical some measurement
13.5 cm135 mm <br />0.135 m <br /> (16 cm160 mm <br />0.16 m <br />) +
Floral-tube course
straight +
Floral-tube duration
deciduous +
Floral-tube presence
absent +
Floral-tube pubescence
hispid +, lanate +  and glabrous +
Floral-tube quantity
, +
Floral-tube some measurement
2.3 cm23 mm <br />0.023 m <br /> (4.4 cm44 mm <br />0.044 m <br />) +
Flower architecture
zygomorphic +  and actinomorphic +
Flower architecture or arrangement or growth form
solitary +
Flower odor
unscented +
Flower part duration
deciduous +
Flower part life cycle
anthesis +
Flower reproduction
bisexual +
Fruit architecture
winged +
Fruit course
curved +  and straight +
Fruit dehiscence
indehiscent +  and dehiscent +
Fruit shape
4-angled +, terete +, tapering +, cylindrical +, ellipsoid +, clavate +, ovoid ellipsoid +  and cylindrical rhombic-obovoid or globose +
Fruit variability
equal +
Habitat
Open, often wet sites, streamsides, fields, roadsides. +
Hair height or length or size
short +
Hair orientation
erect +  and ascending or subappressed +
Hair position relational
interlocking +
Hair relief
red-pustulate +
Herb architecture
caulescent +
Herb architecture or function or pubescence
glandular +
Herb coloration
red +  and flushed with red +
Herb duration
biennial +
Herb growth form
suffrutescent +
Herb pubescence
puberulent +, villous +  and strigillose +
Indusium architecture
peltate +
Indusium prominence
conspicuous +
Inflorescence architecture
open +
Inflorescence position
axillary +
Internode length or size
longer +
Lateral root orientation
spreading +
Leaf-axil orientation
nodding +  and erect +
Leaf architecture
simple +
Leaf arrangement
alternate +
Leaf atypical some measurement
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Leaf coloration
green +  and dull green +
Leaf condition
later +
Leaf duration
deciduous +
Leaf position
cauline +
Leaf presence
absent +
Leaf some measurement
3 cm30 mm <br />0.03 m <br /> (25 cm250 mm <br />0.25 m <br />) +
Lobe arrangement or course or shape
linear +
Lobe quantity
4 (?) +
Locule arrangement or growth form
clustered +
Locule quantity
many +
Margin shape
undulate dentate +  and subentire +
Mouth condition
closing +
Nectary presence
absent +
Number of lower taxa
0 +
Ovary architecture
pedicellate +  and sessile +
Ovary architecture or structure in adjective form
1-locular +
Ovary position
inferior +
Ovule architecture
bitegmic +
Ovule arrangement or growth form
clustered +
Ovule orientation
anatropous +
Ovule quantity
1 +  and 8 +
Perianth position
epigynous +
Petal arrangement
imbricate +
Petal arrangement or shape
convolute +
Petal coloration
yellow +  and pale-yellow fading orange or pale-yellow +
Petal presence
absent +
Petal quantity
4 +
Petal shape
obcordate +
Petal some measurement
0.7 cm7 mm <br />0.007 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Phenology
Flowering Jun–Sep. +
Pollen-grain dehiscence or orientation
longitudinal +
Pollen arrangement
singly +
Pollen reproduction
fertile +
Polyad arrangement
singly +
Proximal part reproduction
sterile +
Publication title
Ann. Missouri Bot. Gard. +
Publication year
1977 +
Raphide quantity
abundant +
Reference
None +
Rosette position
basal +  and cauline +
Row atypical quantity
2 (4) +
Row quantity
2 +
Secondary branch orientation
arising +
Secondary branch some measurement
50 cm500 mm <br />0.5 m <br /> (200 cm2,000 mm <br />2 m <br />) +
Secretion condition
wet +
Secretion condition or texture
dry +
Secretion relief
papillate +
Secretion shape
clavate +  and globose +
Seed atypical quantity
1 (160) +
Seed coloration
black +  and dark-brown to almost +
Seed length
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Seed quantity
numerous +
Seed relief
sculptured +  and smooth +
Seed shape
angled +  and prismatic +
Seed size
reduced +
Seed width
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
Sepal architecture or dehiscence
splitting +
Sepal arrangement
separate +  and separating +
Sepal arrangement or dehiscence
valvate +
Sepal coloration
flushed with red +  and red-striped +
Sepal duration
deciduous +
Sepal orientation
reflexed +
Sepal quantity
4 +
Sepal some measurement
0.9 cm9 mm <br />0.009 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
Septum architecture
incomplete +
Septum arrangement
parietal +, axile +  and placentation +
Septum fragility
fragile +
Septum presence
absent +
Septum width
thin +
Series length or size
longer +
Series quantity
2 +
Series size
unequal +
Series variability
equal +
Set length or size
longer +
Set quantity
2 +
Set variability
equal +
Shoot derivation
adventitious +
Shoot development
developing +
Shoot orientation
arising +
Shrub architecture
unarmed +
Shrub growth form
not clonal +
Shrub habitat
aquatic +, amphibious +  and terrestrial +
Slit dehiscence or orientation
longitudinal +
Spike architecture
leafy +
Spike architecture or arrangement
lax +
Spike course
curved +
Spike density
dense +
Spike orientation
erect +
Spike shape
elongate +
Stamen quantity
8 +
Stamen size
in 2 unequal series +  and subequal +
Stamen size or quantity
2 times as many or as many as sepals +
Stem architecture
with branches +  and unbranched +
Stem coloration
red +, green +  and flushed with red +
Stem growth form or orientation
decumbent +
Stem orientation
erect +
Stigma architecture
peltate +
Stigma development
developing +
Stigma quantity
1 +
Stigma shape
divided +
Stipule architecture
petiolate +  and sessile +
Stipule duration
caducous +
Stipule position
intrapetiolar +
Stipule presence
absent +
Stipule size
small +
Style pubescence
pubescent +  and glabrous +
Style quantity
1 +
Style some measurement
3 cm30 mm <br />0.03 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
Subshrub architecture
unarmed +
Subshrub growth form
not clonal +
Subshrub habitat
aquatic +, amphibious +  and terrestrial +
Surface architecture
smooth +, reticulate +  and furrowed +
Surface architecture or coloration or relief
reticulate +
Surface architecture or shape
entire +
Surface condition
wet +
Surface duration
persisting +
Surface life cycle
anthesis +
Surface prominence
obscured +
Surface prominence or shape
flat +
Surface quantity
7 (?) +
Surface relief
pitted +
Surface shape
beaded +
Suture quantity
1 +
Synonyms
Oenothera biennis var. strigosa +, O. cheradophila +, O. procera +, O. strigosa subsp. cheradophila +, O. strigosa var. cheradophila +, O. strigosa var. procera +, O. subulifera +, O. villosa subsp. cheradophila +, O. villosa var. strigosa +, Onagra biennis var. strigosa +, O. strigosa var. subulata +  and Usoricum strigosum +
Taxon family
Onagraceae +
Taxon name
Oenothera villosa subsp. strigosa +
Taxon parent
Oenothera villosa +
Taxon rank
subspecies +
Tetrad arrangement
singly +
Tetrad dehiscence
3(-5)-aperturate +
Tip fusion
free +
Tip position
subterminal +  and terminal +
Tip position or structure subtype
terminal +
Tip some measurement
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Tooth architecture or shape
sinuate-dentate +
Tooth arrangement
spaced +
Viscin thread dehiscence or orientation
longitudinal +
Viscin thread fusion
united +
Volume
Volume 10 +
Wall texture
woody +  and hard +
Wing architecture
smooth +  and erose +
Wing condition or texture
dry +
Wing relief
papillate +
Wing width
thick +