Stems openly branched distally, sparsely to moderately hispid, moderately to densely, finely stipitate-glandular. Leaves green, mid cauline averaging 32.8 × 8.8 mm (15–58 × 3.4–14.8 mm), faces glabrate to sparsely hispid (fewer than 5 hairs/mm²), sparsely to moderately stipitate-glandular. Outer phyllaries lanceolate. 2n = 18.
Phenology: Flowering Jul–Oct.
Habitat: Sand and gravel deposits, stream margins, in oak and conifer woods
Elevation: 0–500 m
Distribution
Calif., Oreg., Wash.
Discussion
Variety oregona ranges from the Olympic Peninsula in Washington southward through the Cascades and the Coastal ranges to San Luis Obispo County, California.
Selected References
None.
Lower Taxa
None.
"[" is not declared as a valid unit of measurement for this property."]" is not declared as a valid unit of measurement for this property.
... more about "Heterotheca oregona var. oregona"
introrse +
connate +
distinct +
herbaceous +
acute +
scarious +
hirsute +
papillate +
continuous +
decurrent +
ribbed +
reduced +
stigmatic +
persistent +
4.5;6.4 +
absent +
branched +
woody +
yellow +
absent +
ampliate +
monomorphic +
4-12-ribbed +
dimorphic +
staminate +
smaller +
straight +
32.8 cm328 mm <br />0.328 m <br /> (?) +
8.8 +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
paniculiform +
indeterminate +
1;15 +
lanceolate +
unequal +
longest +
clavate +
barbellate +
tan;rusty brown +
surrounding +
turbino-cylindric +
sessile +
alternate +
green +
withering +
erect;spreading +
short-pilose +
? (?) +
eglandular +
strigoso-ciliate +
scarious +
2-carpellate +
inferior +
attached +
anatropous +
absent +
tough +
thick +
absent +
connate +
1-nerved +
persistent +
distinct +
falling +
unequal +
1-nerved +
ovate-oblanceolate +
Field & Lab. +
1951 +
pistillate +
absent +
fertile +
epaleate +
pitted +
subulate;convex +
fibrous +
exalbuminous +
modifed +
5;7 +
Endemic +
alternate +
branched +
triangular +
2-branched +
glabrous +
Heterotheca oregona var. oregona +
Heterotheca oregona +
variety +
short-pilose +
shorter +
perennial +