Ericameria nauseosa var. iridis
Phytologia 75: 86. 1993.
Common names: Rainbow Hills rabbitbrush
EndemicConservation concern
Basionym: Chrysothamnus nauseosus subsp. iridis L. C. Anderson Great Basin Naturalist 41: 311. 1981
Synonyms: Chrysothamnus nauseosus var. iridis (L. C. Anderson) S. L. Welsh
Plants 10–20 cm. Stems grayish green (at least when young), leafy, faces ± compactly tomentose. Leaves grayish green; blades 1-nerved, linear, 15–40 × 0.8–1 mm, compactly tomentose. Involucres 12–16 mm. Phyllaries 20–26, apices erect, acute to acuminate, abaxial faces glabrous. Corollas 7.8–8.7 mm, tubes glabrous, lobes 1.5–2 mm, glabrous; style appendages longer than stigmatic portions. Cypselae glabrous; pappi 5.2–5.8 mm. 2n = 18.
Phenology: Flowering late summer.
Habitat: Steep slopes on ± barren, gypsiferous, Arapien shale
Elevation: ca. 2000 m
Discussion
Of conservation concern.
Variety iridis is known only from Sevier County.
Selected References
None.
Lower Taxa
None.
"fine" is not a number.
... more about "Ericameria nauseosa var. iridis"
resinous +
glabrous +
introrse +
connate +
distinct +
herbaceous +
erect +
acute;acuminate +
scarious +
hirsute +
papillate +
cymiform +
continuous +
decurrent +
1-nerved +
tomentose +
filiform;narrowly oblanceolate +
ribbed +
stigmatic +
barbellate +
persistent +
20;60 +
subequal +
absent +
Rainbow Hills rabbitbrush +
yellow +
absent +
monomorphic +
5-12-ribbed +
dimorphic +
glabrous +
3mm;8mm +
staminate +
Utah. +
straight +
fascicles +
resinous +
gland-dotted +
axillary +
absent +
tomentose +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
indeterminate +
surrounding +
obconic;subcylindric +
alternate +
grayish green +
cauline +
erect;spreading or reflexed +
glabrous +
? (?) +
expanded +
herbaceous-tipped +
herbaceous +
chartaceous +
2-carpellate +
inferior +
attached +
anatropous +
whitish +
persistent +
falling +
tough +
thick +
absent +
connate +
persistent +
distinct +
falling +
chartaceous +
unequal +
Phytologia +
1993 +
pistillate +
absent +
fertile +
epaleate +
pitted +
convex +
fibrous +
exalbuminous +
modifed +
3;5 +
alternate +
leafy +
resinous +
grayish green +
prostrate +
tomentose +
2-branched +
glabrous +
Ericameria nauseosa var. iridis +
Ericameria nauseosa +
variety +
campanulate +
shorter +
glabrous +