Difference between revisions of "Spergularia atrosperma"
Rhodora 42: 80, plate 589, fig.3a-c.1940.
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|common_names= Black-seed sand-spurrey | |common_names= Black-seed sand-spurrey | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms= | |synonyms= | ||
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|publication title=Rhodora | |publication title=Rhodora | ||
|publication year=1940 | |publication year=1940 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V5/V5_25.xml |
|subfamily=Caryophyllaceae subfam. Polycarpoideae | |subfamily=Caryophyllaceae subfam. Polycarpoideae | ||
|genus=Spergularia | |genus=Spergularia | ||
Revision as of 00:31, 28 May 2020
Plants annual, delicate, 6–15 cm, glabrous or stipitate-glandular distally. Taproots filiform. Stems erect to ascending or arcuate-spreading, simple or branched proximally; main stem 0.3–1 mm diam. proximally. Leaves: stipules inconspicuous, dull white to tan, broadly triangular, 1–2.5 mm, apex acute to short-acuminate; blade filiform to linear, 0.5–3.5 cm, fleshy, apex blunt to apiculate; axillary leaf clusters absent. Cymes simple to 2-compound. Pedicels divergently spreading to reflexed in fruit. Flowers: sepals connate 0.2–0.5 mm proximally, lobes ± weakly 1-veined, elliptic to ovate, 1.8–2.7 mm, to 3.5 mm in fruit, margins 0.1–0.5 mm wide, apex broadly acute to rounded; petals white to rosy, ± ovate, 0.7–0.8 times as long as sepals; stamens 4–8; styles 0.4–0.8 mm. Capsules greenish, 3.3–5 mm, 1–1.3 times as long as sepals. Seeds black, often iridescent, submarginal groove usually absent, broadly ovate, compressed, 0.6–0.8 mm, shiny, sculpturing of parallel, wavy lines, not papillate (40×); wing absent or, rarely, incomplete, brownish, 0.1–0.2 mm, margins irregular.
Phenology: Flowering summer.
Habitat: Alkaline places, mud flats, stream beds, sandy places
Elevation: 30-1500 m
Discussion
Selected References
None.