Difference between revisions of "Minuartia cumberlandensis"
Rhodora 82: 498. 1980.
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|common_names=Cumberland stitchwort | |common_names=Cumberland stitchwort | ||
| − | |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 cumberlandensis | |name=Arenaria cumberlandensis | ||
|authority=Wofford & Kral | |authority=Wofford & Kral | ||
| + | |rank=species | ||
| + | |publication_title=Brittonia | ||
| + | |publication_place=31: 257, fig. 1. 1979 | ||
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name=Minuartia cumberlandensis | name=Minuartia cumberlandensis | ||
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|authority=(Wofford & Kral) McNeill | |authority=(Wofford & Kral) McNeill | ||
|rank=species | |rank=species | ||
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|publication title=Rhodora | |publication title=Rhodora | ||
|publication year=1980 | |publication year=1980 | ||
| − | |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_249.xml |
|subfamily=Caryophyllaceae subfam. Alsinoideae | |subfamily=Caryophyllaceae subfam. Alsinoideae | ||
|genus=Minuartia | |genus=Minuartia | ||
Latest revision as of 22:09, 5 November 2020
Plants perennial, cespitose from decumbent bases. Taproots filiform; basal offshoots present. Stems erect or ascending, green, (8–)10–15(–20) cm, glabrous, internodes of flowering stems 0.8–1.2 times as long as leaves. Leaves overlapping proximally, variably spaced distally, connate proximally, with ± loose, scarious sheath 0.1–0.2 mm; blade spreading or ascending to outwardly curved, green, flat, 1-veined, linear-oblanceolate to linear-spatulate, (10–)20–30(–40) × 1–3 mm, flexuous, margins not thickened, minutely scarious, smooth, apex green, obtuse to broadly acute, shiny, glabrous, axillary leaves absent. Inflorescences flowers solitary, terminal, or 1–3-flowered cymes; bracts narrowly lanceolate, herbaceous. Pedicels 12–30 cm, glabrous. Flowers: hypanthium dish-shaped; sepals very weakly 3-veined, broadly oblong (herbaceous portion broadly oblong), 2–3 mm, not enlarging in fruit, apex green, obtuse or rounded, not hooded, glabrous; petals oblong or obovate, 1.6–2 times as long as sepals, apex rounded to truncate, entire or slightly emarginate. Capsules broadly ovoid, (2–)3–3.5 mm, equaling or longer than sepals. Seeds reddish brown, asymmetrically reniform with radicle prolonged into beak, not compressed, 0.5–0.7 mm, reticulate. 2n = 20.
Phenology: Flowering summer.
Habitat: Shaded sand-rock ledges and bluffs
Elevation: 400-600 m
Discussion
Of conservation concern.
Minuartia cumberlandensis may be most closely related to M. groenlandica and M. glabra; R. Kral (1983) noted that it may be distinguished from either of those taxa by leaf size and shape, seed sculpture, phenology, and habitat preference (shaded sandstone versus sunny granitic flat-rocks).
Minuartia cumberlandensis is in the Center for Plant Conservation’s National Collection of Endangered Plants.
Selected References
None.