BioGator
University of Florida
Log In
New Account
Sitemap
Home
Search
Search Collections
Map Search
Images
Image Browser
Search Images
Checklists
UF Conservation Areas
UF Main Campus
Interactive Tools
Dynamic Checklist
Dynamic Key
Discover Campus Biodiversity
How to Use BioGator
Other Resources
UF Conservation Area Maps
About BioGator
The BioGator Team
Rudbeckia graminifolia
(Torr. & A. Gray) C. L. Boynton & Beadle
Family:
Asteraceae
Grass-Leaf Coneflower,
more...
grassleaf coneflower
Scott Allen Davis
FNA
Resources
Lowell E. Urbatsch, Patricia B. Cox in Flora of North America (vol. 21)
Perennials,
to 80 cm (roots fibrous).
Stems
moderately strigose (hairs ascending).
Leaves:
blades narrowly lanceolate to elliptic (grasslike, lengths 10+ times widths, not lobed), herbaceous, bases attenuate, margins entire, apices acute, faces glabrous or sparsely hirsute; basal petiolate or sessile, 10-25 × 0.5-1 cm; cauline sessile, 1-25 × 0.2-1 cm (distal smaller), bases attenuate.
Heads
mostly borne singly.
Phyllaries
to 1 cm (spreading to reflexed).
Receptacles
hemispheric to ovoid; paleae 4-5 mm, (apical margins glabrous) apices acuminate-cuspidate, awn-tipped, abaxial tips sparsely strigose.
Ray florets
8-16; corollas orangish red to maroon, laminae elliptic to obovate, 10-25 × 3-6 mm, abaxially sparsely strigose.
Discs
10-15 × 8-15 mm.
Disc florets
50-300+; corollas proximally maroon, distally brown-purple, 3.9-4.4 mm; style branches ca. 1.8 mm, apices obtuse to rounded.
Cypselae
2-3 mm;
pappi
coroniform, to 0.5 mm.
2
n
= 38. Flowering spring-fall. Wet, sandy flatwoods sites; 0-30 m; Fla.
Rudbeckia graminifolia
grows in the Apalachicola region.
Open Interactive Map
Andy Newman
Michael A. Alcorn
sharonious
j_appleget
Jared Gorrell
Adriana de Sousa
Jay Horn
Scott Allen Davis
danioutside
Jay Horn
Jared Gorrell
Jared Gorrell
Amanda Fisher
j_appleget
Adriana de Sousa
lillybyrd
Mike Ingram
lillybyrd
j_appleget
Noah Frade
Mark Kenderdine
Jared Gorrell
Laura Gaudette
sparkleize
Andy Newman
Adriana de Sousa
Joshua Doby
Joshua Doby
Matt Berger
Jared Gorrell
leevail
Jay Horn
Scott Allen Davis
Andy Newman
Jay Horn
Jared Gorrell
Jared Gorrell
Adriana de Sousa
Jay Horn
Mike Ingram
Jay Horn
kimmunshower
j_appleget
j_appleget
Andrew Lane Gibson
Jared Gorrell
Adriana de Sousa
j_appleget
Mike Ingram
Laura Gaudette
Andy Newman
Noah Frade
Matt Berger
Jared Gorrell
lillybyrd
sparkleize
smoran3030
Tom Diggs
smoran3030
smoran3030
jeannieb32327
Larry Chen
A. Eryn Mitchell
jeannieb32327
lillybyrd
jeannieb32327
Em
Matt Reala
Matt Reala
smoran3030
Click to Display
100 Initial Images
- - - - -
View All Images
This project made possible through support from the UF Planning, Design & Construction and the UF Office of Sustainability
Powered by
Symbiota
.