Flora of North America species comparison

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Primula angustifolia

alpine primrose
Habit Plants 0.5–8 cm, herbaceous; rhizomes stout, short; rosettes often clumped; vegetative parts efarinose.
Leaves

not aromatic, indistinctly petiolate;

petiole narrowly winged;

blade without deep reticulate veins abaxially, linear-lanceolate to oblanceolate, 1–1.7 × 0.3–1 cm, thick, margins entire or remotely denticulate, apex spatulate, surfaces glabrous.
Inflorescences

1–2-flowered;

involucral bracts plane, unequal.
Pedicels

arcuate, thin, 3–10 mm, length 2–4 times bracts, flexuous.
Flowers

heterostylous;

calyx green, cylindric, 5–8 mm;

corolla usually bright rose-pink, sometimes white, tube 5–8 mm, length 0.8–1 times calyx, usually eglandular basally, sparsely glandular distally, limb (7–)10–15 mm diam., lobes 5–7 mm, apex almost entire or emarginate.
Capsules

cylindric, length 1 times calyx.
Seeds

without flanged edges, reticulate.
2n

= 44.

Primula angustifolia
Phenology Flowering summer.
Habitat Alpine tundra or just below treeline, in moist, open, gravelly areas
Elevation 2400-4400 m (7900-14400 ft)
Distribution
from FNA
CO; NM
[WildflowerSearch map]
[BONAP county map]
Discussion

Primula angustifolia is a common component of the alpine flora in Colorado and is found occasionally in the mountains of northern New Mexico. A form with white corollas (var. helenae Pollard & Cockerell) occurs in populations with rose-pink corollas. Generally, P. angustifolia grows above treeline; some populations have been found in the upper subalpine zone among dwarf spruce or fir. Individuals in these protected areas tend to be more robust than those growing on exposed, windy sites on the tundra.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 8, p. 298.
Parent taxa Primulaceae > Primula
Sibling taxa
P. alcalina, P. anvilensis, P. borealis, P. capillaris, P. cuneifolia, P. cusickiana, P. egaliksensis, P. incana, P. laurentiana, P. mistassinica, P. nutans, P. parryi, P. pumila, P. rusbyi, P. specuicola, P. stricta, P. suffrutescens, P. tschuktschorum, P. veris
Name authority Torrey: Ann. Lyceum Nat. Hist. New York 1: 34, plate 3, fig. 3. 1823 ,
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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