Primula cusickiana var. maguirei

(L. O. Williams) N. H. Holmgren & S. Kelso

Brittonia 53: 155. 2001 ,.

Common names: Maguire primrose
Basionym: Primula maguirei L. O. Williams Amer. Midl. Naturalist 17: 747, fig. 1. 1936
Synonyms: Primula cusickiana subsp. maguirei (L. O. Williams) A. J. Richards
Treatment appears in FNA Volume 8. Treatment on page 300. Mentioned on page 299.

Plants glabrous except for white farina on involucral-bracts and calyces. Leaves shorter than scape; blade spatulate, margins subentire. Corolla-tubes 7–10 mm, length 1.5–2 times calyx.


Phenology: Flowering summer.
Habitat: Cliff faces and ledges
Elevation: 1500 m

Discussion

Of conservation concern.

Variety maguirei is known from Logan Canyon. It is distinguished from other members of the complex by its more-spatulate, almost entire leaf blades. It was federally listed as threatened in 1985.

Selected References

None.

Lower Taxa

None.

No values specified."timescalyx" is not declared as a valid unit of measurement for this property."-2timesbracts" is not declared as a valid unit of measurement for this property."-2timescalyx" is not declared as a valid unit of measurement for this property.

acute;obtuse +
Sylvia Kelso +
(L. O. Williams) N. H. Holmgren & S. Kelso +
narrowed +, rounded +  and tapered +
Primula maguirei +
1.8 cm18 mm <br />0.018 m <br /> (2.3 cm23 mm <br />0.023 m <br />) +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
crenulate +  and denticulate +
spatulate +
1 +  and 5 +
puberulent +, pilose +  and glabrous +
campanulate +
0.5 cm5 mm <br />0.005 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
Maguire primrose +
0.7 cm7 mm <br />0.007 m <br /> (?) +  and 1 cm10 mm <br />0.01 m <br /> (?) +
1.5-2 times calyx +
rose +  and magenta-violet +
campanulate +
1500 m +
heterostylous +
operculate +  and capsular +
Cliff faces and ledges +
nectariferous +
solitary +, involucrate +  and 2-25+-flowered +
not aromatic +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
not reflexed +
dentate +  and entire +
subentire +
tenuinucellate +  and bitegmic +
2.5 cm25 mm <br />0.025 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
yellow;white;yellow;white;violet;rose;pink;magenta;lavender +
Flowering summer. +
vesiculate +  and reticulate +
4-angled +, oblong +  and ovoid +
connate +  and distinct +
inflated +
Primula cusickiana subsp. maguirei +
Primula cusickiana var. maguirei +
Primula cusickiana +
variety +
eglandular +  and glandular +
0.7 cm7 mm <br />0.007 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
perennial +  and annual +
stoloniferous +  and rhizomatous +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
11 +, [10 +, 9 +  and [8 +