Difference between revisions of "Spergularia canadensis"
Gen. Hist. 1: 426. 1831.
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Arenaria canadensis | |name=Arenaria canadensis | ||
|authority=Persoon | |authority=Persoon | ||
| + | |publication_title=Syn. Pl. | ||
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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/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V5/V5_29.xml |
|subfamily=Caryophyllaceae subfam. Polycarpoideae | |subfamily=Caryophyllaceae subfam. Polycarpoideae | ||
|genus=Spergularia | |genus=Spergularia | ||
Revision as of 20:08, 24 September 2019
Plants annual, delicate to stout, 3–25 cm, glabrous or stipitate-glandular throughout or only in inflorescence. Taproots slender. Stems prostrate or decumbent to erect, usually branched proximally; main stem usually 0.4–1.8 mm diam. proximally. Leaves: stipules inconspicuous, dull white, broadly triangular, 1–2.8 mm, apex obtuse to acute; blade linear, 1.5–4.5 cm, fleshy, apex ± blunt; axillary leaf clusters mostly absent. Cymes simple to 2+-compound or flowers solitary and axillary. Pedicels reflexed in fruit. Flowers: sepals connate 0.5–0.6 mm proximally, lobes weakly 1-veined, ovate to elliptic-oblong, 2.2–3.5 mm, to 4.3–4.5 mm in fruit, margins 0.2–0.5 mm wide, apex ± acute to rounded; petals white or pink, narrowly ovate, 0.9–1 times as long as sepals; stamens 2–4; styles 0.3–0.7 mm. Capsules greenish, 3.5–5.3 mm, 1.2–2 times as long as sepals. Seeds reddish brown, submarginal groove absent, broadly ovate, compressed, 0.9–1.4 mm, shiny, ± smooth, papillate; wing absent or often present, whitish, 0.2–0.3 mm wide, margins irregular.
Distribution
Coastal North America.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Capsules 1.5-2 times as long as sepals; sepals 2.2-3.2 mm, to 4.5 mm in fruit, apex broadly rounded; stems prostrate or decumbent; plants glabrous except pedicels rarely stipitate-glandular | Spergularia canadensis var. canadensis |
| 1 | Capsules 1.2-1.3 times as long as sepals; sepals 2.5-3.5 mm, to 4.3 mm in fruit, apex ± acute to narrowly obtuse; stems widely spreading to erect; plants glabrous or stipitate-glandular | Spergularia canadensis var. occidentalis |