Difference between revisions of "Gratiola virginiana"
Sp. Pl. 1: 17; 2: 1200. 1753.
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|elevation=0–500 m. | |elevation=0–500 m. | ||
|distribution=Ala.;Ark.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Md.;Mich.;Miss.;Mo.;N.J.;N.C.;Ohio;Okla.;R.I.;S.C.;Tenn.;Tex.;Va.;W.Va.;introduced in Mexico (Veracruz). | |distribution=Ala.;Ark.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Md.;Mich.;Miss.;Mo.;N.J.;N.C.;Ohio;Okla.;R.I.;S.C.;Tenn.;Tex.;Va.;W.Va.;introduced in Mexico (Veracruz). | ||
| − | |discussion=<p>Some plants from tidal wetlands in Maryland, New Jersey, and Virginia are purportedly relatively shorter in stature and bear shorter pedicels and smaller capsules than most plants of Gratiola virginiana. They have been treated as var. aestuariorum; the distinctness of var. aestuariorum has not been assessed in the context of morphological variation across the range of G. virginiana.</p> | + | |discussion=<p>Some plants from tidal wetlands in Maryland, New Jersey, and Virginia are purportedly relatively shorter in stature and bear shorter pedicels and smaller capsules than most plants of <i>Gratiola virginiana</i>. They have been treated as var. aestuariorum; the distinctness of var. aestuariorum has not been assessed in the context of morphological variation across the range of <i>G. virginiana</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1753 | |publication year=1753 | ||
|special status=Endemic | |special status=Endemic | ||
| − | |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/V17/V17_651.xml |
|genus=Gratiola | |genus=Gratiola | ||
|species=Gratiola virginiana | |species=Gratiola virginiana | ||
Revision as of 16:02, 18 September 2019
Annuals. Stems ascending to erect, simple or few-branched, 4–50 cm, glabrous or glabrate proximally, glabrous or glandular-puberulent distally. Leaves: blade lanceolate to elliptic or oblong-obovate, 15–70 × 5–25 mm, margins entire or with 1–4 pairs of blunt or sharp teeth distally, apex obtuse to acute, surfaces glabrous. Pedicels stout, 1–12 mm, length 0.1–0.3 times bract, glabrous or sparsely glandular-puberulent; bracteoles 2, 2–6 mm. Flowers: sepals distinct, linear-lanceolate to lanceolate or oblong, 4–7 mm; corolla 8–15 mm, tube greenish white to greenish yellow or yellow, veins purple or brownish purple, limb white, sometimes tinged lavender; style 2–4 mm. Capsules subglobular, (3–)4–9 × 4–8 mm. Seeds 0.7–0.8 mm. 2n = 16.
Phenology: Flowering Mar–Oct.
Habitat: Stream banks, swamps, floodplain pools and ponds, swamps.
Elevation: 0–500 m.
Distribution
Ala., Ark., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Md., Mich., Miss., Mo., N.J., N.C., Ohio, Okla., R.I., S.C., Tenn., Tex., Va., W.Va., introduced in Mexico (Veracruz).
Discussion
Some plants from tidal wetlands in Maryland, New Jersey, and Virginia are purportedly relatively shorter in stature and bear shorter pedicels and smaller capsules than most plants of Gratiola virginiana. They have been treated as var. aestuariorum; the distinctness of var. aestuariorum has not been assessed in the context of morphological variation across the range of G. virginiana.
Selected References
None.