Difference between revisions of "Primula mistassinica"
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|common_names=Mistassini primrose;primevère du lac Mistassini | |common_names=Mistassini primrose;primevère du lac Mistassini | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Primula farinosa subsp. mistassinica | |name=Primula farinosa subsp. mistassinica | ||
|authority=(Michaux) Pax | |authority=(Michaux) Pax | ||
| + | |rank=subspecies | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Primula farinosa var. mistassinica | |name=Primula farinosa var. mistassinica | ||
|authority=(Michaux) Pax | |authority=(Michaux) Pax | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Primula intercedens | |name=Primula intercedens | ||
|authority=Wiegand | |authority=Wiegand | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Primula maccalliana | |name=Primula maccalliana | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Primula mistassinica var. intercedens | |name=Primula mistassinica var. intercedens | ||
|authority=(Fernald) B. Boivin | |authority=(Fernald) B. Boivin | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Primula mistassinica var. noveboracensis | |name=Primula mistassinica var. noveboracensis | ||
|authority=Fernald | |authority=Fernald | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Primulaceae;Primula;Primula mistassinica | |hierarchy=Primulaceae;Primula;Primula mistassinica | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Primula mistassinica | name=Primula mistassinica | ||
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|authority=Michaux | |authority=Michaux | ||
|rank=species | |rank=species | ||
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|publication title=Fl. Bor.-Amer. | |publication title=Fl. Bor.-Amer. | ||
|publication year= | |publication year= | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V8/V8_585.xml |
|genus=Primula | |genus=Primula | ||
|species=Primula mistassinica | |species=Primula mistassinica | ||
Latest revision as of 22:44, 5 November 2020
Plants 5–15 cm, herbaceous; rhizomes thin, short; rosettes not clumped; vegetative parts usually efarinose, sometimes with traces of farina to strongly yellow-farinose when young. Leaves not aromatic, indistinctly petiolate; petiole narrowly winged; blade without deep reticulate veins abaxially, spatulate to elliptic, 5–7 × 0.2–1.6 cm, thin, margins denticulate to almost entire, apex obtuse to acute, surfaces glabrous. Inflorescences 1–5(–10)-flowered; involucral bracts plane, ± equal. Pedicels arcuate, thin, 5–20 mm, length 2–4 times bracts, flexuous. Flowers heterostylous; calyx green, campanulate, 3–5 mm; corolla lavender, tube 5–8 mm, length 1.5–2 times calyx, eglandular, limb 8–14 mm diam., lobes 4–7 mm, apex emarginate. Capsules cylindric to ellipsoid, length 1–1.2 times calyx. Seeds without flanged edges, reticulate. 2n = 18.
Phenology: Flowering summer.
Habitat: Open meadows, stream banks, lake shores, and cliff faces on calcareous substrates
Elevation: 0-1500 m
Distribution
Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Nunavut, Ont., Que., Sask., Yukon, Alaska, Ill., Iowa, Maine, Mich., Minn., N.H., N.Y., Vt., Wis.
Discussion
Primula mistassinica is the most widespread of the North American primroses, and one of the more polymorphic. It can vary in size, leaf morphology, and amount of farina; it is generally consistent in overall habit and floral morphology. Infraspecific taxa previously recognized include var. intercedens, a farinose form common around the Great Lakes, and var. novaeboracensis, a form without a prominent yellow eye in the corolla tube. Isolated individuals showing these characteristics appear throughout the range of the species, and an extensive examination of the complex by H. W. Vogelmann (1956, 1960) led him to conclude that it is best treated as a single, highly variable species; recent molecular analyses (A. Guggisberg et al. 2006) support this assessment. Around the Great Lakes, the presence of farina on the leaves is especially variable, and can range from extensive to nonexistent. Consequently, it seems most appropriate to recognize a single polymorphic taxon with no infraspecific designations, unless molecular analysis suggests otherwise. Although smaller forms of P. mistassinica often have been confused with other species in sect. Aleuritia, it is usually distinguishable by its relatively large heterostylous flowers with lavender corollas.
Selected References
None.