Difference between revisions of "Minuartia rossii"
in P. F. A. Ascherson et al., Syn. Mitteleur. Fl. 5(1): 772. 1918.
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|name=Arenaria rossii | |name=Arenaria rossii | ||
|authority=R. Brown ex Richardson | |authority=R. Brown ex Richardson | ||
| + | |rank=species | ||
|publication_title=in J. Franklin et al., Narr. Journey Polar Sea, | |publication_title=in J. Franklin et al., Narr. Journey Polar Sea, | ||
|publication_place=738. 1823 | |publication_place=738. 1823 | ||
| Line 17: | Line 18: | ||
|name=Alsinanthe rossii | |name=Alsinanthe rossii | ||
|authority=(R. Brown ex Richardson) Á. Löve & D. Löve | |authority=(R. Brown ex Richardson) Á. Löve & D. Löve | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Alsinopsis rossii | |name=Alsinopsis rossii | ||
|authority=(R. Brown ex Richardson) Rydberg | |authority=(R. Brown ex Richardson) Rydberg | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Arenaria rossii var. apetala | |name=Arenaria rossii var. apetala | ||
|authority=Maguire | |authority=Maguire | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Minuartia orthotrichoides | |name=Minuartia orthotrichoides | ||
|authority=Nannfeldt | |authority=Nannfeldt | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Minuartia rolfii | |name=Minuartia rolfii | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Minuartia rossii var. orthotrichoides | |name=Minuartia rossii var. orthotrichoides | ||
|authority=(Schischkin) Hultén | |authority=(Schischkin) Hultén | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Caryophyllaceae;Caryophyllaceae subfam. Alsinoideae;Minuartia;Minuartia rossii | |hierarchy=Caryophyllaceae;Caryophyllaceae subfam. Alsinoideae;Minuartia;Minuartia rossii | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Minuartia rossii | name=Minuartia rossii | ||
| − | |||
|authority=(R. Brown ex Richardson) Graebner in P. F. A. Ascherson et al. | |authority=(R. Brown ex Richardson) Graebner in P. F. A. Ascherson et al. | ||
|rank=species | |rank=species | ||
| Line 71: | Line 77: | ||
|publication year=1918 | |publication year=1918 | ||
|special status= | |special status= | ||
| − | |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/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V5/V5_273.xml |
|subfamily=Caryophyllaceae subfam. Alsinoideae | |subfamily=Caryophyllaceae subfam. Alsinoideae | ||
|genus=Minuartia | |genus=Minuartia | ||
Revision as of 21:52, 16 December 2019
Plants perennial, densely pulvinate to loosely cespitose. Taproots stout, woody. Stems ascending to spreading, green or often purple, 1–3 cm, glabrous, internodes of flowering stems 0.2–1 times as long as leaves. Leaves overlapping, ± tightly (vegetative), ± evenly spaced proximally (cauline), connate-perfoliate proximally, with tight, herbaceous sheath 0.2–0.3 mm; blade upwardly curved, green or often purple, keeled, prominently 1-veined abaxially, subulate, 3-angled, 1–4 × 0.5–0.7 mm, flexuous, margins rounded, herbaceous, smooth, apex green to purple, rounded, navicular, shiny, glabrous; axillary leaves well developed. Inflorescences solitary flowers, axillary or terminal (rarely present); bracts absent. Pedicels 0.1–2 cm, glabrous. Flowers: hypanthium disc-shaped; sepals 1-veined, oblong-ovate (herbaceous portion usually purple, oblong-ovate), 1.5–2.5 mm, not enlarging in fruit, apex often purple, obtuse to acuminate, navicular, not hooded, glabrous; petals obovate to spatulate, 1.5–2 times as long as sepals, apex obtuse, entire. Capsules on stipe ca. 0.1–0.2 mm, spheric, 1.5–2.5 mm, equaling sepals. Seeds brown, suborbiculate, compression unknown, ca. 0.6 mm, obscurely reticulate. 2n = 58 (Russia), 60.
Phenology: Flowering spring–summer.
Habitat: Wet, turfy, gravelly, or sandy calcareous barrens, high arctic, alpine tundra, heathlands
Elevation: 0-500 m
Distribution
Greenland, N.W.T., Nunavut, Yukon, Alaska, Europe (Spitzbergen), Asia (Russian Far East).
Discussion
Minuartia rossii is the northernmost member of the M. rossii complex (S. J. Wolf et al. 1979; B. Maguire 1958), a pulvinate species of moist arctic areas. While specimens occasionally have many flowers, some specimens have few if any, instead reproducing via small axillary fascicles of leaves or short shoots in the upper leaf axils (see also Ö. Nilsson 2001).
Selected References
None.