The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

tuft frasera, Utah elkweed, Utah frasera

pine frasera or green-gentian, pine green-gentian

Habit Herbs monocarpic, (4–)7–15 dm, glabrous. Herbs perennial, 2–5.5 dm, glabrous.
Stems

usually 1.

1–several, with several rosettes.

Leaf

blades white-margined;

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

cauline leaves opposite, distal blades lanceolate.

blades narrowly white-margined, basal 2–20 × 0.3–0.9 cm, linear to narrowly oblanceolate;

cauline leaves opposite, blade linear to narrowly oblanceolate.

Inflorescences

diffuse.

narrow, 1.5–4 cm wide, dense, interrupted.

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.

calyx 5–8 mm;

corolla greenish white, purple-streaked, 7–15 mm, lobes oblong-obovate, apex abruptly acuminate;

androecial corona a low fringe;

style slender, distinct;

nectaries and foveae 1 per corolla lobe, foveae opening distal to nectary, into a round to nearly square differentiated area on the corolla lobe, rim ± evenly fringed all around.

Frasera paniculata

Frasera neglecta

Phenology Flowering late spring–summer. Flowering late spring–summer.
Habitat Desert scrub, dry, open pinyon-juniper woods, often on pink sand dunes. Dry, open woods.
Elevation 1200–2200 m. (3900–7200 ft.) 1400–3500 m. (4600–11500 ft.)
Distribution
from FNA
AZ; CO; NM; UT
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[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.)

Frasera neglecta is endemic to the San Bernardino, San Emigdio, and San Gabriel mountains of southern California.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 14. FNA vol. 14.
Parent taxa Gentianaceae > Frasera 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
F. ackermaniae, F. albicaulis, F. albomarginata, F. caroliniensis, F. coloradensis, F. fastigiata, F. gypsicola, F. montana, F. paniculata, F. parryi, F. puberulenta, F. speciosa, F. tubulosa, F. umpquaensis
Synonyms F. utahensis, Leucocraspedum utahense, Swertia utahensis Swertia neglecta
Name authority Torrey in War Department [U.S.]: Pacif. Railr. Rep. 4(5): 126. (1857) H. M. Hall: Bot. GaZ. 31: 388, plate 10. (1901)
Web links