Difference between revisions of "Polanisia dodecandra subsp. dodecandra"
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|genus=Polanisia | |genus=Polanisia | ||
|species=Polanisia dodecandra | |species=Polanisia dodecandra |
Revision as of 00:55, 28 May 2020
Leaflets: blade apex acute to obtuse. Inflorescence bracts lanceolate to ovate. Petals white (sometimes pinkish), (3–)5–7(–8) mm. Stamens (6–)7–10(–14) mm, ± equaling or slightly longer than petals. Seeds roughened. 2n = 20.
Phenology: Flowering summer–early fall.
Habitat: Roadsides, riverbanks, gravel bars, flood-scoured shorelines, grasslands, disturbed sites
Elevation: 0-1100 m
Distribution
![V7 261-distribution-map.gif](/w/images/6/6c/V7_261-distribution-map.gif)
Ont., Que., Ala., Ariz., Ark., Calif., Colo., Conn., Ga., Idaho, Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Mo., Mont., Nebr., Nev., N.H., N.J., N.Mex., N.Y., N.Dak., Ohio, Okla., Oreg., Pa., S.Dak., Tex., Vt., Va., W.Va., Wis., Wyo.
Discussion
Subspecies dodecandra is smaller-flowered than the other subspecies and is most often found in northeastern and midwestern states. ‘White Spider’ is a cultivar sometimes offered in seed catalogues. Occurrences in New England (except Vermont) probably represent adventives from farther west; this plant is common along weedy roadsides.
Selected References
None.