Skip Navigation
Sign In
☰
Home
Search
Search Collections
Map Search
Chicago Botanic Garden
Project Information
Checklists
Create a Checklist
Dynamic Key
Denver Botanic Gardens
Project Information
Checklists
Create a Checklist
Dynamic Key
Desert Botanical Garden
Project Information
Checklists
Create a Checklist
Dynamic Key
NY Botanical Garden
Project Information
Checklists
Create a Checklist
Dynamic Key
Marie Selby Botanical Gardens
Project Information
Checklists
Create a Checklist
Dynamic Key
Sitemap
Helianthus pauciflorus subsp. pauciflorus
Helianthus pauciflorus subsp. pauciflorus
(redirected from:
Helianthus laetiflorus var. rigidus
(Cass.) Fernald)
Family:
Asteraceae
Stiff Sunflower
[
Helianthus laetiflorus var. rigidus
(Cass.) Fernald,
more
Helianthus missouriensis
Schwein. ex Nutt.,
Helianthus rigidus
(Cass.) Desf.,
Helianthus rigidus subsp. rigidus
,
Helianthus rigidus var. rigidus
(Cass.) Desf.
]
FNA
Resources
Edward E. Schilling in Flora of North America (vol. 21)
Plants
80-200 cm.
Leaves
usually alternate distally; blades oblong-lanceolate to lance-ovate, 8-27 cm, apices acuminate.
Flowering late summer-fall. Dry to moderately wet prairies, open places; 50-600+ m; Alta., B.C., Man., Ont., P.E.I., Que., Sask.; Ark., Conn., Ga., Ill., Ind., Iowa, Kans., Ky., Maine, Mass., Mich., Minn., Mo., Mont., Nebr., N.H., N.J., N.Dak., Okla., R.I., S.Dak., Tex., Vt., Va., Wis.
Subspecies
pauciflorus
is introduced in Ontario, and probably in all eastern Canada.
Open Interactive Map
University of Florida Herbarium
Theo Witsell
University of Florida Herbarium
Click to Display
100 Initial Images
- - - - -
View All Images