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Rudbeckia laciniata var. bipinnata
Perdue
Family:
Asteraceae
FNA
Resources
Lowell E. Urbatsch, Patricia B. Cox in Flora of North America (vol. 21)
Leaves:
basal 15-40 × 10-25 cm, blades pinnately compound to 2-pinnatifid; proximal cauline 2-pinnatifid, mid cauline blades 5-11-lobed (distal usually 3-lobed); adaxial faces sparsely to moderately hairy.
Receptacles
globose to ovoid; paleae 3.1-4.1.
Ray laminae
20-45 × 7-12 mm.
Discs
15-19 × 10-20 mm.
Cypselae
3.5-4 mm;
pappi
mostly 0.7+ mm.
2
n
= 72, ca. 72, 102+.
Flowering late summer-fall. Wet habitats, along streams and edges of woods; 10-300 m; Conn., Del., Md., Mass., N.H., N.Y., Pa.
Open Interactive Map
Shanna Oberreiter
Click to Display
8 Total Images
This project made possible by
National Science Foundation Award 1410069
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