Helianthus occidentalis subsp. plantagineus

(Torrey & A. Gray) Heiser

Mem. Torrey Bot. Club 22(3): 107. 1969.

Common names: Shinner’s sunflower
Endemic
Basionym: Helianthus occidentalis var. plantagineus Torrey & A. Gray Fl. N. Amer. 2: 323. 1842
Treatment appears in FNA Volume 21. Treatment on page 160.

Leaves usually serrate, strigose or glabrous, smooth to touch.


Phenology: Flowering summer–early fall.
Habitat: Dry, open areas
Elevation: 10–100+ m

Discussion

Selected References

None.

Lower Taxa

None.
glabrate +  and sparsely pilose +
not tailed +, rounded +  and obtuse +
black +  and dark-brown +
pale +  and dark +
connate +  and distinct +
acute;short-acuminate +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
spiciform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
Edward E. Schilling +
(Torrey & A. Gray) Heiser +
cuneate +
Helianthus occidentalis var. plantagineus +
5 cm50 mm <br />0.05 m <br /> (20 cm200 mm <br />0.2 m <br />) +
elliptic;ovate +
1.5 cm15 mm <br />0.015 m <br /> (7 cm70 mm <br />0.07 m <br />) +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
Shinner’s sunflower +
reddish +  and yellow +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
glabrate +  and villous +
compressed +  and obpyramidal +
fertile +  and bisexual +
fertile +  and bisexual +
Ark. +  and Tex. +
10–100+ m +
hairy +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Dry, open areas +
in more or less corymbiform , paniculiform or spiciform , arrays +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.9 cm9 mm <br />0.009 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
1.8 cm18 mm <br />0.018 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
sessile +  and petiolate +
glabrous +  and strigose +
triangular +
serrulate +  and entire +
2-carpellate +
subentire;3-toothed +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
persistent +
0 +  and 4 +
coroniform +
1 cm10 mm <br />0.01 m <br /> (14 cm140 mm <br />0.14 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Flowering summer–early fall. +
0.7 cm7 mm <br />0.007 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
20 +  and 25 +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Mem. Torrey Bot. Club +
bearing subulate enations +, hairy +  and bristly +
flat;slightly convex +
deltate +  and aristate +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
exalbuminous +
procumbent +  and decumbent +
pilose +  and appressed-hairy +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Undefined (tribe Undefined) subtribe Lagasceinae +
Helianthus occidentalis subsp. plantagineus +
Helianthus occidentalis +
subspecies +
campanulate +
toothed +  and entire +
300 cm3,000 mm <br />3 m <br /> (500 cm5,000 mm <br />5 m <br />) +
60 cm600 mm <br />0.6 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
2 cm20 mm <br />0.02 m <br /> (20 cm200 mm <br />0.2 m <br />) +
shrub +  and subshrub +