Sphaeromeria potentilloides var. nitrophila
Brittonia 28: 261. 1976.
IllustratedEndemic
Basionym: Tanacetum potentilloides var. nitrophilum Cronquist Leafl. W. Bot. 6: 49. 1950
Synonyms: Vesicarpa potentilloides var. nitrophilum (Cronquist) Kartesz
Treatment appears in FNA Volume 19. Treatment on page 500.
Plants 3–15 cm. Leaves mostly basal; basal mostly 1-pinnately lobed; cauline (2–) 3-fid or entire. Heads 1–3 (–4). Involucres 4–5.1 mm. 2n = 18.
Phenology: Flowering May–Jul.
Habitat: Highly alkaline sites
Elevation: 1600–2200 m
Distribution
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Calif., Idaho, Nev.
Discussion
Variety nitrophila grows in northern and central Nevada and in the hills north of Snake River Plains in Idaho.
Selected References
None.
Lower Taxa
None.
... more about "Sphaeromeria potentilloides var. nitrophila"
introrse +
connate +
truncate +
scarious +
ovate +
hirsute +
papillate +
absent +
continuous +
lobed +
decurrent +
lobed;3-toothed;lobed;obovate;cuneate or linear +
stigmatic +
absent +
bright-yellow +
absent +
lacking +
dimorphic +
0.8mm;1.5mm +
staminate +
straight +
gland-dotted;gland-dotted +
silky-tomentose +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
disciform +
singly +
indeterminate +
1;3 +
Present +
surrounding +
hemispheric;campanulate +
alternate +
basal +
deltate +
lobed +
scarious +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
absent +
tough +
thick +
absent +
connate +
persistent +
distinct +
herbaceous +
falling +
hairy +
Brittonia +
1976 +
absent +
epaleate +
conic;nearly flat +
fibrous +
exalbuminous +
modifed +
2;3 +
alternate +
branched +
gland-dotted +
erect +
2-branched +
glabrous +
papillate +
Sphaeromeria potentilloides var. nitrophila +
Sphaeromeria potentilloides +
variety +
campanulate +
cylindric +
perennial +