Difference between revisions of "Polanisia jamesii"
Brittonia 10: 54. 1958.
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|distribution=Colo.;Ill.;Ind.;Iowa;Minn.;Nebr.;N.Mex.;Ohio;Okla.;S.Dak.;Tex.;Wis. | |distribution=Colo.;Ill.;Ind.;Iowa;Minn.;Nebr.;N.Mex.;Ohio;Okla.;S.Dak.;Tex.;Wis. | ||
|discussion=<p>Of conservation concern.</p><!-- | |discussion=<p>Of conservation concern.</p><!-- | ||
− | --><p>Populations of Polanisia jamesii in Indiana and Ohio are adventive.</p> | + | --><p>Populations of <i>Polanisia jamesii</i> in Indiana and Ohio are adventive.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1958 | |publication year=1958 | ||
|special status= | |special status= | ||
− | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V7/V7_264.xml |
|genus=Polanisia | |genus=Polanisia | ||
|species=Polanisia jamesii | |species=Polanisia jamesii |
Revision as of 18:56, 18 September 2019
Annuals, 15–40(–60) cm. Stems branched; hairs stalked, glandular throughout. Leaves: petiole green to purple, angled, (0.2–)0.5–0.8(–1) cm; leaflet blade linear to narrowly elliptic, 1.5–2.8 × 0.1–0.2 cm, margins entire, apex acute, mucronulate, surfaces densely glandular abaxially, sparsely glandular adaxially. Racemes 1–3 cm (6–8 cm in fruit); bracts trifoliate, ovate, 5–15 mm. Pedicels 5–15 mm. Flowers: sepals pale yellow, glandular, lanceolate, 1.6–2.6 × 0.8–1.2 mm, margins entire, apex acute to obtuse; petals white, oblong-ovate, clawed, abaxial pair 1.5–3 × 1–2 mm (6 or 7-lobed), apex emarginate to lacerate, adaxial pair 3–5 × 2–3 mm (4 or 5-lobed), apex emarginate to lacerate; nectary glands yellow (drying purple), 0.5–1 mm; stamens 6–9, slightly exserted, yellow, 3.2–5.2 mm; anthers yellow, 0.5–1 mm; gynophore 2–4 mm in fruit; ovary 2.5–5(–7) mm; style persistent in fruit, 2.5–4.5 mm; stigma red. Capsules 8–30 × 2–4 mm, reticulate, glandular. Seeds 18–36, bright reddish brown, globose to oblong, 1.8–2 mm, pebbled (without transverse ridges). 2n = 20.
Phenology: Flowering summer–early fall.
Habitat: Sandy soil, often in blowouts in prairies and stabilized dunes
Elevation: 200-1400 m
Distribution
Colo., Ill., Ind., Iowa, Minn., Nebr., N.Mex., Ohio, Okla., S.Dak., Tex., Wis.
Discussion
Of conservation concern.
Populations of Polanisia jamesii in Indiana and Ohio are adventive.
Selected References
None.