familyCleomaceae
genusPolanisia
speciesPolanisia dodecandra
subspeciesPolanisia dodecandra subsp. trachysperma

Polanisia dodecandra subsp. trachysperma

(Torrey & A. Gray) H. H. Iltis

Rhodora 68: 47. 1966.

Gordon C. Tucker
Common names: Sandyseed or western clammyweed
Weedy
Basionym: Polanisia trachysperma Torrey & A. Gray Fl. N. Amer. 1: 669. 1840
Treatment appears in FNA Volume 7. Treatment on page 203. Mentioned on page 202.

Leaflets: blade apex acute to obtuse. Inflorescence bracts lanceolate to ovate. Petals white, (7–) 8–13 (–16) mm. Stamens (6–) 12–28 (–40) mm, longest ones ca. 2 or more times as long as petals. Seeds roughened. 2n = 20.


Phenology: Flowering summer–early fall.
Habitat: Gravelly or sandy, sunny places along streams, sandy places, open woodlands, grasslands, roadsides
Elevation: 100-1500(-2100) m

Distribution

V7 263-distribution-map.gif

Alta., Man., Ont., Sask., Ala., Ariz., Ark., Calif., Colo., Conn., Idaho, Ill., Iowa, Kans., Ky., La., Md., Mass., Mich., Minn., Mo., Nebr., Nev., N.Mex., N.Dak., Ohio, Okla., Pa., S.Dak., Tex., Utah, Va., Wash., W.Va., Wyo., Mexico

Discussion

Subspecies trachysperma is found mainly in the Great Plains and western states. Populations in the eastern United States are presumably adventive, as are those in eastern Ontario, where it has been found spreading in disturbed areas, such as quarries and roadsides (B. McBride 2006).

Selected References

None.

Lower Taxa

None.
... more about "Polanisia dodecandra subsp. trachysperma"
RDF feed
2n chromosome quantity
20 +
Abaxial petal atypical length
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Abaxial petal atypical width
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Abaxial petal length
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Abaxial petal width
0.18 cm1.8 mm <br />0.0018 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Adaxial petal length
8mm;14mm +
Adaxial petal width
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Androecium position
hypogynous +
Anther coloration or density
purple +
Anther dehiscence
dehiscing +
Anther shape
not coiling +
Anther some measurement
0.1 cm1 mm <br />0.001 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
Apex architecture or function or pubescence
glandular +
Apex architecture or shape
emarginate +
Apex shape
emarginate +  and lacerate +
Author
Gordon C. Tucker +
Authority
(Torrey & A. Gray) H. H. Iltis +
Basionyms
Polanisia trachysperma +
Blade apex shape
Acute (Obtuse) +
Blade margin architecture or shape
serrulate +, serrate +  and entire +
Bract presence
absent +
Bract shape
lanceolate;orbiculate +
Bract some measurement
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Bud-scale presence
absent +
Capsule architecture or coloration or relief
reticulate +
Capsule architecture or function or pubescence
glandular +
Capsule length
4 cm40 mm <br />0.04 m <br /> (7 cm70 mm <br />0.07 m <br />) +
Capsule width
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Common name
Sandyseed or western clammyweed +
Cotyledon arrangement or orientation
incumbent +
Distribution
Alta. +, Man. +, Ont. +, Sask. +, Ala. +, Ariz. +, Ark. +, Calif. +, Colo. +, Conn. +, Idaho +, Ill. +, Iowa +, Kans. +, Ky. +, La. +, Md. +, Mass. +, Mich. +, Minn. +, Mo. +, Nebr. +, Nev. +, N.Mex. +, N.Dak. +, Ohio +, Okla. +, Pa. +, S.Dak. +, Tex. +, Utah +, Va. +, Wash. +, W.Va. +, Wyo. +  and Mexico +
Elevation
100-1500(-2100) m +
Endosperm presence
absent +
Endosperm quantity
scanty +
Filament fusion
adnate +  and free +
Filament pubescence
glabrous +
Flower architecture
zygomorphic +
Flower architecture or arrangement or growth form
solitary +
Flower reproduction
bisexual +
Flower shape
rotate;crateriform campanulate or urceolate +
Fruit architecture
capsular +
Fruit arrangement or dehiscence
valvate +
Fruit dehiscence
dehiscent +  and indehiscent +
Fruit shape
elongate +
Fruits capsule dehiscence
dehiscent +
Fruits capsule shape
oblong +  and cylindric +
Gland presence
absent +
Grain quantity
single +
Gynophore orientation
ascending +
Gynophore presence
absent +
Gynophore some measurement
0 cm0 mm <br />0 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Habitat
Gravelly or sandy, sunny places along streams, sandy places, open woodlands, grasslands, roadsides +
Hair architecture
stalked +
Hair architecture or function or pubescence
glandular +
Illustration copyright
Flora of North America Association +
Illustrator
Yevonn Wilson-Ramsey +
Inflorescence arrangement
racemose +
Inflorescence bract shape
lanceolate;ovate +
Inflorescence position
axillary +  and terminal +
Inflorescence shape
flat-topped +
Leaf architecture or shape
pinnate +
Leaf arrangement
arranged +  and alternate +
Leaflet blade atypical length
4.5 cm45 mm <br />0.045 m <br /> (6.5 cm65 mm <br />0.065 m <br />) +
Leaflet blade atypical width
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Leaflet blade length
1.9 cm19 mm <br />0.019 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
Leaflet blade shape
Oblanceolate (Obovate or broadly elliptic) +
Leaflet blade width
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Leaflet quantity
3 (?) +
Margin architecture or shape
entire +
Nectary gland coloration
bright orange +
Nectary gland prominence
not conspicuous +
Number of lower taxa
0 +
Ovary architecture
1-carpellate +
Ovary architecture or structure in adjective form
2-locular +
Ovary placentation
parietal +
Ovary some measurement
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Ovule architecture
bitegmic +
Ovule atypical quantity
18 (26) +
Ovule orientation
anatropous +
Ovule quantity
1;18 +
Pedicel atypical some measurement
2.5 cm25 mm <br />0.025 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Pedicel presence
absent +
Pedicel some measurement
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Perianth position
hypogynous +
Perisperm duration
persistent +
Perisperm presence
absent +
Petal arrangement
imbricate +
Petal atypical some measurement
1.3 cm13 mm <br />0.013 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
Petal coloration
white +
Petal fixation
attached +
Petal fusion
distinct +
Petal quantity
4 +
Petal shape
clawed +  and oblong-ovate +
Petal size
unequal +
Petal some measurement
0.8 cm8 mm <br />0.008 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Petal variability
equal +
Petiole architecture or function or pubescence
glandular +
Petiole atypical some measurement
4.5 cm45 mm <br />0.045 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Petiole coloration
green;purple +
Petiole presence
absent +
Petiole shape
angled +
Petiole some measurement
1.5 cm15 mm <br />0.015 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
Phenology
Flowering summer–early fall. +
Pistil quantity
1 +
Pollen architecture
tricolporate +  and binucleate +
Publication title
Rhodora +
Publication year
1966 +
Raceme some measurement
5 cm50 mm <br />0.05 m <br /> (20 cm200 mm <br />0.2 m <br />) +
Reference
None +
Seed architecture
not arillate +
Seed atypical quantity
65 (200) +
Seed coloration
dark reddish-brown +
Seed quantity
20;65 +
Seed relief
tuberculate-rugose +  and roughened +
Seed relief or texture
roughened +
Seed shape
globose +  and oblong +
Seed some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
Sepal coloration or density
purple +
Sepal duration
deciduous +
Sepal fusion
distinct +
Sepal length
? (?) +
Sepal quantity
4 +
Sepal shape
oblong +
Sepal variability
equal +
Sepal width
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Slit dehiscence or orientation
longitudinal +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V7/V7 263.xml +
Special status
Weedy +
Spine presence
absent +
Spine pubescence
glandular-pubescent +  and glabrous +
Stamen atypical quantity
27 (35) +
Stamen atypical some measurement
2.8 cm28 mm <br />0.028 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Stamen coloration or density
purple +
Stamen length
longest +
Stamen position
exserted +
Stamen quantity
2 +
Stamen some measurement
1.2 cm12 mm <br />0.012 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
Stem architecture
branched +
Stem coating
viscid +
Stem growth form
procumbent +
Stem orientation
spreading +  and erect +
Stem pubescence
glandular-pubescent +
Stigma architecture or shape
capitate +
Stigma coloration or density
purple +
Stigma quantity
1 +
Stigma shape
unlobed +
Stipule arrangement or course or shape
linear +
Stipule duration
deciduous +  and caducous +
Stipule presence
absent +
Stipule shape
scale-like +, thread-like +  and 3-8-palmatifid +
Stipule size
minute +
Style duration
deciduous +
Style quantity
1 +
Style some measurement
0.5 cm5 mm <br />0.005 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
Surface architecture or function or pubescence
glandular +
Synonyms
Cristatella +
Taxon family
Cleomaceae +
Taxon name
Polanisia dodecandra subsp. trachysperma +
Taxon parent
Polanisia dodecandra +
Taxon rank
subspecies +
Volume
Volume 7 +
Whole-organism atypical some measurement
60 cm600 mm <br />0.6 m <br /> (90 cm900 mm <br />0.9 m <br />) +
Whole-organism duration
perennial +  and annual +
Whole-organism some measurement
10 cm100 mm <br />0.1 m <br /> (60 cm600 mm <br />0.6 m <br />) +
Whole organism duration
perennial +  and annual +
Whole organism growth form
herb +
X chromosome quantity
10 +