Difference between revisions of "Minuartia marcescens"
Amer. Midl. Naturalist 7: 132. 1921.
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|common_names=Serpentine stitchwort or sandwort;minuartie de la serpentine | |common_names=Serpentine stitchwort or sandwort;minuartie de la serpentine | ||
| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=C | ||
| + | |label=Conservation concern | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Arenaria marcescens | |name=Arenaria marcescens | ||
|authority=Fernald | |authority=Fernald | ||
| + | |rank=species | ||
| + | |publication_title=Rhodora | ||
| + | |publication_place=21: 15. 1919 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Arenaria laricifolia var. marcescens | |name=Arenaria laricifolia var. marcescens | ||
|authority=(Fernald) B. Boivin | |authority=(Fernald) B. Boivin | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Caryophyllaceae;Caryophyllaceae subfam. Alsinoideae;Minuartia;Minuartia marcescens | |hierarchy=Caryophyllaceae;Caryophyllaceae subfam. Alsinoideae;Minuartia;Minuartia marcescens | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Minuartia marcescens | name=Minuartia marcescens | ||
| − | |||
|authority=(Fernald) House | |authority=(Fernald) House | ||
|rank=species | |rank=species | ||
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|publication title=Amer. Midl. Naturalist | |publication title=Amer. Midl. Naturalist | ||
|publication year=1921 | |publication year=1921 | ||
| − | |special status= | + | |special status=Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_261.xml |
|subfamily=Caryophyllaceae subfam. Alsinoideae | |subfamily=Caryophyllaceae subfam. Alsinoideae | ||
|genus=Minuartia | |genus=Minuartia | ||
Latest revision as of 22:09, 5 November 2020
Plants perennial, mat-forming or more commonly straggly. Taproots stout, woody. Stems ascending, green, 4–6 cm, glabrous proximally, stipitate-glandular distally, internodes of flowering stems 6–8 times as long as leaves. Leaves tightly overlapping (vegetative), variably spaced (cauline), usually connate proximally, with tight, scarious to herbaceous sheath 0.5–1.5 mm; blade straight to outwardly curved, green, 3-angled, prominently 1-veined abaxially, subulate, 4–8 × 0.3–0.8 mm, flexuous, margins not thickened, herbaceous, smooth, apex green, rounded to truncate, sometimes apiculate, shiny, glabrous; axillary leaves present among vegetative leaves. Inflorescences solitary flowers, terminal; bracts lance-subulate, herbaceous. Pedicels 0.5–1.5 cm, usually densely stipitate-glandular. Flowers: hypanthium cup-shaped; sepals 3-veined, ovate to broadly lanceolate (herbaceous portion oblong to narrowly ovate), 3–4 mm, not enlarging in fruit proximally, apex often purple, rounded, hooded or not, stipitate-glandular; petals white or rarely lilac, spatulate to spatulate-obovate, 1.5–2 times as long as sepals, apex rounded, entire. Capsules narrowly ellipsoid, 6–10 mm, longer than sepals. Seeds brown, suborbiculate with radicle prolonged into beak, somewhat compressed, 0.9–1.2 mm, smooth.
Phenology: Flowering summer.
Habitat: Ultramafic ledges and barrens
Elevation: 200-1000 m
Distribution
Nfld. and Labr. (Nfld.), Que., Vt.
Discussion
Of conservation concern.
Marcescent leaves are a characteristic feature of this species.
Selected References
None.