Difference between revisions of "Minuartia pusilla"
Bot. Jahrb. Syst. 57(Beibl. 126): 28. 1921.
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|common_names=Annual sandwort;dwarf stitchwort | |common_names=Annual sandwort;dwarf stitchwort | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
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|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Arenaria pusilla | |name=Arenaria pusilla | ||
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|publication title=Bot. Jahrb. Syst. | |publication title=Bot. Jahrb. Syst. | ||
|publication year=1921 | |publication year=1921 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_271.xml |
|subfamily=Caryophyllaceae subfam. Alsinoideae | |subfamily=Caryophyllaceae subfam. Alsinoideae | ||
|genus=Minuartia | |genus=Minuartia | ||
Latest revision as of 22:10, 5 November 2020
Plants annual. Taproots threadlike. Stems spreading to erect, green, 1–5 cm, glabrous, internodes of all stems 2–10 times as long as leaves. Leaves not overlapping, irregularly spaced, connate proximally, with loose, mostly herbaceous sheath 0.2–0.3 mm; blade ascending to widely spreading, green, concave proximally, flat distally, obscurely 1-veined, awl-shaped to lanceolate, 1.5–5 × 0.2–1.5 mm, flexuous, margins not thickened, scarious throughout or proximally, smooth, apex green or purple, acute to obtuse, flat to navicular, often shiny, glabrous; axillary leaves absent. Inflorescences 2–9-flowered, open cymes; bracts subulate, herbaceous, margins scarious proximally. Pedicels 0.1–0.5 cm, glabrous. Flowers: hypanthium disc-shaped; sepals 1-veined, or weakly 3-veined in proximal 1/5, ovate to lanceolate (herbaceous portion lanceolate to narrowly so), 1.5–3.5 mm, not enlarging in fruit, apex green or purple, acute to acuminate, not hooded, glabrous; petals narrowly lanceolate, 0.5–1 times as long as sepals, apex narrowly acute, entire, or absent. Capsules on stipe ca. 0.1 mm, ± ovoid, ca. 3 mm, equaling or longer than sepals. Seeds brown or reddish, asymmetically reniform with radicle prolonged into beak, not compressed, 0.5–0.6 mm, minutely papillate.
Phenology: Flowering spring–summer.
Habitat: Plains, pine barrens, dry rock cliffs
Elevation: 50-2400 m
Distribution
B.C., Calif., Idaho, Nev., Oreg., Utah, Wash.
Discussion
Selected References
None.