familyAsteraceae
genusHelianthus
speciesHelianthus petiolaris
subspeciesHelianthus petiolaris subsp. fallax
Helianthus petiolaris subsp. fallax
Rhodora 60: 279, fig. 3. 1958.
Endemic
Stems usually ± hispid, rarely ± hirsute to glabrate. Leaves: abaxial faces sparsely, if at all, glanddotted. Peduncles usually with leafy bracts subtending heads. Phyllaries 2–3.5 mm wide. Disc corollas: throats gradually narrowed distal to slight, not densely hairy basal bulges. 2n = 34.
Phenology: Flowering summer–fall.
Habitat: Dry, open areas
Elevation: 1200–2500 m
Distribution
Ariz., Colo., Nev., Utah.
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Helianthus petiolaris subsp. fallax"
introrse +
connate +
herbaceous +
short-attenuate +
scarious +
absent +
purplish +
hirsute +
papillate +
continuous +
hairy +
3-nerved +
lanceolate;deltate-ovate or ovate +
winged;ribbed;winged;ribbed +
leafy +
1;15 +
stigmatic +
absent +
zygomorphic +
monomorphic +
dimorphic +
villous +
3mm;4.5mm +
staminate +
straight +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
whitish +
discoid +
indeterminate +
1;5 +
surrounding +
hemispheric +
alternate +
cauline +
yellow;reddish +
triangular +
lobed +
2-carpellate +
inferior +
attached +
anatropous +
3-toothed +
persistent +
falling +
absent +
coroniform +
tough +
thick +
absent +
connate +
persistent +
distinct +
falling +
unequal +
Rhodora +
1958 +
neuter +
absent +
sterile +
paleate +
flat;slightly convex +
fibrous +
shorter +
aristate +
exalbuminous +
modifed +
2;3 +
Endemic +
alternate +
branched +
erect +
continuous +
2-branched +
papillate +
Helianthus petiolaris subsp. fallax +
Helianthus petiolaris +
subspecies +
distal +
slight +
narrowed +
equaling +
shorter +
annual +