familyOnagraceae
subfamilyOnagraceae subfam. Onagroideae
tribeOnagraceae tribe Onagreae
genusEremothera
speciesEremothera boothii
subspeciesEremothera boothii subsp. alyssoides

Eremothera boothii subsp. alyssoides

(Hooker & Arnott) W. L. Wagner & Hoch

Syst. Bot. Monogr. 83: 209. 2007.

Warren L. Wagner
Basionym: Oenothera alyssoides Hooker & Arnott Bot. Beechey Voy., 340. 1839
Synonyms: Camissonia boothii subsp. alyssoides (Hooker & Arnott) P. H. Raven C. boothii var. alyssoides (Hooker & Arnott) N. H. Holmgren & P. K. Holmgren C. boothii var. villosa (S. Watson) Cronquist Holostigma alyssoides (Hooker & Arnott) Hooker O. alyssoides var. villosa S. Watson O. boothii subsp. alyssoides (Hooker & Arnott) Munz O. gauriflora var. hitchcockii H. Léveillé O. utahensis (Small) Garrett Sphaerostigma alyssoides (Hooker & Arnott) Walpers S. hitchcockii (H. Léveillé) A. Nelson S. implexum A. Nelson S. macrophyllum Rydberg S. utahense Small
Treatment appears in FNA Volume 10.

Herbs usually strigillose, often densely so, especially in inflorescence, rarely villous and/or glandular puberulent. Stems 3–35 cm. Leaves not especially clustered toward base, mostly evenly distributed, 1–5.5 (–7.5) × 0.3–1.6 cm; petiole 0–6 cm; blade very narrowly elliptic to narrowly ovate or ovate, margins sparsely denticulate. Inflorescences ± open. Flowers: floral-tube 3–8 mm; petals white, 4–5 mm. Capsules usually very contorted, 1–1.5 mm diam. near base. Seeds monomorphic.


Phenology: Flowering May–Jun(–Aug).
Habitat: Sandy slopes and flats, sagebrush, shadscale, rabbitbrush shrublands or pinyon-juniper woodlands.
Elevation: 600–2000 m.

Distribution

Calif., Idaho, Nev., Oreg., Utah.

Discussion

Subspecies alyssoides intergrades broadly with subsp. intermedia in Nevada and is very similar to subsp. desertorum. Sphaerostigma alyssoides var. macrophyllum Small is an illegitimate name that applies here.

Selected References

None.

Lower Taxa

None.
... more about "Eremothera boothii subsp. alyssoides"
RDF feed
2n chromosome quantity
14 +
Androecium position
epigynous +
Anther atypical some measurement
0.1 cm1 mm <br />0.001 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
Anther fixation
versatile +
Anther some measurement
0.18 cm1.8 mm <br />0.0018 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
Author
Warren L. Wagner +
Authority
(Hooker & Arnott) W. L. Wagner & Hoch +
Basal leaf arrangement
alternate +
Base arrangement or shape
angular +
Base relief
papillose +
Basionyms
Oenothera alyssoides +
Berry architecture or shape
nutlike +
Berry dehiscence
indehiscent +  and loculicidal +
Blade margin architecture or shape
crenate-dentate +
Blade margin shape
entire +, sinuate-toothed +, serrulate +  and denticulate +
Blade shape
very narrowly elliptic +  and narrowly ovate or ovate +
Bud orientation
erect +
Capsule architecture
sessile +
Capsule architecture or shape
nutlike +
Capsule arrangement or shape
contorted +
Capsule condition or texture
dry +
Capsule course
straight +
Capsule dehiscence
dehiscent +
Capsule diameter
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Capsule length
0.8 cm8 mm <br />0.008 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
Capsule orientation
spreading +  and curved downward +
Capsule shape
4-angled +, terete +  and cylindrical +
Capsule size or width
thickened +
Capsule width
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.38 cm3.8 mm <br />0.0038 m <br />) +
Carpel quantity
Many (?) +
Cel reproduction
vegetative +
Distribution
Calif. +, Idaho +, Nev. +, Oreg. +  and Utah. +
Elevation
600–2000 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
reddish green +  and white +
Epidermis relief
exfoliating +
Epipetalous filament height or length or size
shorter +
Episepalous filament atypical some measurement
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Episepalous filament some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.58 cm5.8 mm <br />0.0058 m <br />) +
Filament architecture
dithecal +
Filament fixation
basifixed +  and versatile +
Filament fusion
distinct +
Floral-tube atypical some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Floral-tube duration
deciduous +
Floral-tube presence
absent +
Floral-tube pubescence
villous +
Floral-tube quantity
, +
Floral-tube some measurement
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Flower architecture
actinomorphic +
Flower architecture or arrangement or growth form
solitary +
Flower life cycle
anthesis +
Flower part duration
deciduous +
Flower part life cycle
anthesis +
Flower reproduction
bisexual +
Fruit architecture
sessile +
Fruit arrangement or shape
contorted +
Fruit course
straight +
Fruit dehiscence
loculicidal +
Fruit shape
4-angled +, terete +  and cylindrical +
Fruit size or width
thickened +
Habitat
Sandy slopes and flats, sagebrush, shadscale, rabbitbrush shrublands or pinyon-juniper woodlands. +
Herb architecture
caulescent +
Herb architecture or function or pubescence
glandular +
Herb duration
annual +
Herb pubescence
puberulent +, glandular +, villous +  and strigillose +
Herb size
stout +  and slender +
Inflorescence architecture
open +
Inflorescence orientation
nodding +
Inflorescence position
axillary +
Inflorescences spike orientation
nodding +  and erect +
Inside position
proximal +
Inside quantity
1/2 +
Leaf architecture
simple +
Leaf arrangement
distributed +
Leaf arrangement or growth form
clustered +
Leaf atypical length
5.5 cm55 mm <br />0.055 m <br /> (7.5 cm75 mm <br />0.075 m <br />) +
Leaf atypical width
2.2 cm22 mm <br />0.022 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Leaf duration
deciduous +
Leaf length
1 cm10 mm <br />0.01 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
Leaf life cycle
withered +
Leaf position
cauline +
Leaf width
0.3 cm3 mm <br />0.003 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
Lobe quantity
Many (?) +
Locule quantity
many +
Lower one arrangement or growth form
clustered +
Margin shape
denticulate +
Nectary presence
absent +
Number of lower taxa
0 +
Ovary architecture or structure in adjective form
4-locular +
Ovary position
inferior +
Ovule architecture
bitegmic +
Ovule arrangement or growth form
clustered +
Ovule orientation
anatropous +
Ovule quantity
numerous +  and 1 +
Perianth position
epigynous +
Petal arrangement
imbricate +
Petal arrangement or shape
convolute +
Petal atypical some measurement
0.3 cm3 mm <br />0.003 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Petal coloration
white +
Petal presence
absent +
Petal quantity
4 +
Petal shape
clawed +
Petal some measurement
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Petiole some measurement
0 cm0 mm <br />0 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Phenology
Flowering May–Jun(–Aug). +
Plant condition
dried +
Pollen-grain dehiscence or orientation
longitudinal +
Pollen arrangement
singly +
Polyad arrangement
singly +
Portion seed architecture
monomorphic +
Portion seed coloration
dark-brown +
Portion seed growth form
dimorphic +
Portion seed length
0.14 cm1.4 mm <br />0.0014 m <br /> (0.21 cm2.1 mm <br />0.0021 m <br />) +
Portion seed relief
papillose +
Portion seed width
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.09 cm0.9 mm <br />9.0e-4 m <br />) +
Publication title
Syst. Bot. Monogr. +
Publication year
2007 +
Raphide quantity
abundant +
Reference
None +
Rosette position
basal +  and cauline +
Row quantity
1 +
Secretion condition
wet +
Secretion condition or texture
dry +
Secretion relief
papillate +
Secretion shape
clavate +  and globose +
Seed architecture
monomorphic +
Seed architecture or coloration or relief
reticulate +
Seed growth form
dimorphic +
Seed quantity
7 +  and numerous +
Seed relief
sculptured +  and smooth +
Seed shape
truncate-ellipsoid +, narrowly obovoid +  and oblanceoloid +
Sepal arrangement
in pairs +  and singly +
Sepal arrangement or dehiscence
valvate +
Sepal atypical some measurement
0.27 cm2.7 mm <br />0.0027 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Sepal coloration
purple +, pink +, red +  and green +
Sepal duration
deciduous +
Sepal orientation
reflexed +
Sepal quantity
4 +
Sepal some measurement
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Septum architecture
parenchymatous +
Septum arrangement
parietal +, axile +  and placentation +
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 +
Shrub architecture
unarmed +
Shrub growth form
not clonal +
Shrub habitat
aquatic +, amphibious +  and terrestrial +
Slit dehiscence or orientation
longitudinal +
Spike architecture
leafy +
Stamen development
abortive +
Stamen position
episepalous +
Stamen quantity
8 +
Stamen size or quantity
2 times as many or as many as sepals +
Stem architecture
branched +
Stem growth form or orientation
prostrate +  and decumbent +
Stem life cycle
flowering +
Stem orientation
ascending +  and erect +
Stem some measurement
3 cm30 mm <br />0.03 m <br /> (35 cm350 mm <br />0.35 m <br />) +
Stigma architecture or shape
entire +
Stigma diameter
0.12 cm1.2 mm <br />0.0012 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Stigma quantity
1 +
Stigma shape
subglobose +
Stipule architecture
subsessile +  and petiolate +
Stipule duration
caducous +
Stipule position
intrapetiolar +
Stipule presence
absent +
Stipule size
small +
Style atypical some measurement
1.35 cm13.5 mm <br />0.0135 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Style pubescence
villous +
Style quantity
1 +
Style some measurement
0.82 cm8.2 mm <br />0.0082 m <br /> (1.35 cm13.5 mm <br />0.0135 m <br />) +
Subshrub architecture
unarmed +
Subshrub growth form
not clonal +
Subshrub habitat
aquatic +, amphibious +  and terrestrial +
Surface architecture or pubescence or relief
smooth +
Surface coloration
light-brown +
Surface condition
wet +
Surface length
0.14 cm1.4 mm <br />0.0014 m <br /> (?) +  and 0.21 cm2.1 mm <br />0.0021 m <br /> (?) +
Surface relief
non-papillate +
Surface width
0.05 cm0.5 mm <br />5.0e-4 m <br /> (?) +  and 0.07 cm0.7 mm <br />7.0e-4 m <br /> (?) +
Synonyms
Camissonia boothii subsp. alyssoides +, C. boothii var. alyssoides +, C. boothii var. villosa +, Holostigma alyssoides +, O. alyssoides var. villosa +, O. boothii subsp. alyssoides +, O. gauriflora var. hitchcockii +, O. utahensis +, Sphaerostigma alyssoides +, S. hitchcockii +, S. implexum +, S. macrophyllum +  and S. utahense +
Taxon family
Onagraceae +
Taxon name
Eremothera boothii subsp. alyssoides +
Taxon parent
Eremothera boothii +
Taxon rank
subspecies +
Tetrad arrangement
singly +
Tetrad dehiscence
3(-5)-aperturate +
Viscin thread dehiscence or orientation
longitudinal +
Viscin thread fusion
united +
Volume
Volume 10 +
Wing architecture
smooth +  and erose +
Wing condition or texture
dry +
Wing relief
papillate +
Wing width
thick +