Difference between revisions of "Polycarpon tetraphyllum subsp. tetraphyllum"
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|accepted_name=Polycarpon tetraphyllum subsp. tetraphyllum | |accepted_name=Polycarpon tetraphyllum subsp. tetraphyllum | ||
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name=Polycarpon tetraphyllum subsp. tetraphyllum | name=Polycarpon tetraphyllum subsp. tetraphyllum | ||
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| − | |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/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V5/V5_43.xml |
|subfamily=Caryophyllaceae subfam. Polycarpoideae | |subfamily=Caryophyllaceae subfam. Polycarpoideae | ||
|genus=Polycarpon | |genus=Polycarpon | ||
Revision as of 21:53, 16 December 2019
Stems prostrate to erect, 3–15 cm. Leaves in whorls of 4 or opposite; stipules 1.8–2.8 mm; blade elliptic, ovate, or obovate, 2–12 mm. Inflorescence bracts absent. Flowers: sepals with keel and apex sometimes purplish, keeled, 1.5–2.5 mm; petals linear to oblong, 0.5–0.8 mm, ca. 1/2 times as long as sepals; stamens 3(–5). Capsules clasped by calyx, broadly ovoid, valve margins rolled inward after dehiscence. Seeds ovoid to lenticular, 0.4–0.8 mm, finely papillate. 2n = 32, 48, 64 (all Europe).
Phenology: Flowering spring–fall.
Habitat: Waste places, cultivated land
Elevation: 0-1400 m
Distribution
B.C., Ala., Calif., Fla., Ga., S.C., Tex., s Europe (Mediterranean region), considered cosmopolitan via introduction, at least in part from ships' ballast.
Discussion
Historic records are known from Massachusetts [wool waste, North Worcester (Woodward in 1917, GH)] and Pennsylvania [ballast at Philadelphia (Burk in 1880, PH), South Bethlehem, 1890s (T. C. Porter 1892)].
Selected References
None.