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Rudbeckia laciniata var. laciniata
Cronquist
(redirected from:
Rudbeckia laciniata var. hortensis
Bailey)
Family:
Asteraceae
cutleaf coneflower
[
Rudbeckia laciniata var. hortensis
Bailey]
Flora of North America
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 pinnatifid; proximal and mid cauline blades 5-9-lobed (distal cauline 3-lobed or not lobed); adaxial leaf faces glabrous or sparsely hairy.
Receptacles
globose to ovoid; paleae 4.4-6.1 mm.
Ray laminae
20-45 × 7-18 mm.
Discs
15-20 × 10-20 mm.
Cypselae
4.2-6 mm;
pappi
to 0.7 mm.
2
n
= 36, 54. Flowering summer-fall. Wet sites, along streams, edges of woods; 10-600 m; Man., N.B., N.S., Ont., P.E.I., Que.; Ala., Ark., Conn., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mich., Minn., Miss., Mo., Nebr., N.H., N.Y., N.C., N.Dak., Ohio, Okla., Pa., S.C., S.Dak., Tenn., Tex., Vt., Va., W.Va., Wis.
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