Flora of North America species comparison

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Frasera paniculata

tuft frasera, Utah elkweed, Utah frasera
Habit Herbs monocarpic, (4–)7–15 dm, glabrous.
Stems

usually 1.
Leaf

blades white-margined;

basal linear-lanceolate to narrowly oblanceolate, 5–20 × 0.7–2(–3) cm;

cauline leaves opposite, distal blades lanceolate.
Inflorescences

diffuse.
Flowers

calyx 3–6 mm;

corolla greenish white to greenish yellow, dark green- or purple-dotted, 7–12 mm, lobes elliptic-ovate, apex abruptly acuminate;

androecial corona ± fringed;

style slender, distinct;

nectaries 2 per lobe, in closely paired, ± separate foveae, foveae opening distal to nectaries, into a single widely ovate-triangular differentiated area on the corolla surface shaped ± like the spade on playing cards, rim ± sparsely short- to long-fringed.

Frasera paniculata
Phenology Flowering late spring–summer.
Habitat Desert scrub, dry, open pinyon-juniper woods, often on pink sand dunes.
Elevation 1200–2200 m. (3900–7200 ft.)
Distribution
from FNA
AZ; CO; NM; UT
[WildflowerSearch map]
[BONAP county map]
Discussion

The only specimen from Nevada identified as Frasera paniculata has been reidentified as F. albomarginata var. albomarginata in studies for this flora.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 14.
Parent taxa Gentianaceae > Frasera
Sibling taxa
F. ackermaniae, F. albicaulis, F. albomarginata, F. caroliniensis, F. coloradensis, F. fastigiata, F. gypsicola, F. montana, F. neglecta, F. parryi, F. puberulenta, F. speciosa, F. tubulosa, F. umpquaensis
Synonyms F. utahensis, Leucocraspedum utahense, Swertia utahensis
Name authority Torrey in War Department [U.S.]: Pacif. Railr. Rep. 4(5): 126. (1857)
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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