Compilation
Primula farinosa

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Name

Identification
Primula sachalinensis Nakai [family PRIMULACEAE ] Verified by Not on sheet, Primula farinosa L. [family PRIMULACEAE ] (stored under name); Verified by Not on sheet,
Related name
  • Primula longiscapa
  • Primula farinosa
  • Primula altaica
  • Primula gigantea
  • Primula stolonifera
  • Primula algida
  • Primula modesta
  • Primula pusilla
  • Primula magellanica
  • Primula stricta
  • Primula hornemanniana
  • Primula frondosa
  • Primula sachalinensis
  • Primula mistassinica
Common name
  • Silvery primrose, Flora of North America Vol. 8
  • Mistassini primrose, Flora of North America Vol. 8
  • primevère du lac Mistassini, Flora of North America Vol. 8
  • primevère laurentienne, Flora of North America Vol. 8
  • Bird’s-eye primrose, Flora of North America Vol. 8

Flora

Entry for Primula incana M. E. Jones [family PRIMULACEAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 8,
Names
Primula incana M. E. Jones [family PRIMULACEAE], Proc. Calif. Acad. Sci., ser., 2, 5: 706. 1895 ,
Primula americana Rydberg [family PRIMULACEAE]
Primula farinosa Linnaeus subsp. incana (M. E. Jones) W. W. Smith & Forrest [family PRIMULACEAE]
Primula farinosa var. incana (M. E. Jones) Fernald [family PRIMULACEAE]
Treatment Author(s)
Sylvia Kelso
Information
Plants 2–46 cm, herbaceous; rhizomes thin, short; rosettes not clumped; vegetative parts usually heavily whitish or yellowish farinose, sometimes efarinose, especially in age. Leaves not aromatic, indistinctly petiolate; petiole broadly winged; blade without deep reticulate veins abaxially, elliptic to oblanceolate, 1–6 × 0.3–1.6 cm, thin, margins remotely denticulate, apex acute to obtuse, surfaces glabrous. Inflorescences 4–19-flowered; involucral bracts saccate, ± equal. Pedicels erect, thin, 3–9 mm, length ± 1 times bracts, stiff. Flowers homostylous; calyx green, broadly cylindric, 4–10 mm; corolla lavender, tube 4–10 mm, length 1 times calyx, eglandular, limb 4–8 mm diam., lobes 2–4 mm, apex emarginate. Capsules cylindric to ellipsoid, length 1.5–2 times calyx. Seeds without flanged edges, reticulate. 2n = 54, 72.
Phenology
Flowering summer
Altitude range
0–3500 m
Distribution
USA AlaskaUSA Colo.USA IdahoUSA Mont.USA N.Dak.USA UtahUSA Wyo.Canada Alta.Canada B.C.Canada Man.Canada N.W.T.Canada Ont.Canada Sask.Canada Yukon
Discussion
Primula incana is usually heavily farinose, at least when young, and has relatively tall scapes and tight umbels of homostylous flowers. As with some species of the genus, anthesis often begins before the scape is fully elongated; plants at first are quite small, but elongate throughout anthesis and typically become relatively tall and lanky in age. This has led to confusion with other arctic species, especially P. stricta, which has considerably less farina, a shorter scape, and a more maritime distribution. In fruiting stage, P. incana has been confused with P. laurentiana, which has looser umbels throughout anthesis, larger flowers, and a more eastern distribution. Primula incana generally replaces P. laurentiana to the west and south of Hudson Bay. The single octoploid count for P. incana is questionable; the species appears to be consistently hexaploid in other counts.

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