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acute +  and slightly acuminate +
David E. Boufford +
(Linnaeus) Hill +
cordate +  and rounded +
Circaea lutetiana var. canadensis +
indehiscent +  and loculicidal +
5 cm50 mm <br />0.05 m <br /> (16 cm160 mm <br />0.16 m <br />) +
dentate +  and prominently dentate +
lobed +, toothed +  and entire +
oblong-ovate +  and ovate +
2.5 cm25 mm <br />0.025 m <br /> (8.5 cm85 mm <br />0.085 m <br />) +
0.28 cm2.8 mm <br />0.0028 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
reflexed +  and spreading +
rounded +, pyriform +  and subglobose +
0.19 cm1.9 mm <br />0.0019 m <br /> (0.36 cm3.6 mm <br />0.0036 m <br />) +
Enchanter’s nightshade +  and circée du Canada +
ringlike +  and cylindrical +
Cool +, temperate deciduous and mixed forests +, forest margins +, along streams +, Man. +, N.B. +, N.S. +, Ont. +, P.E.I. +, Que. +, Ala. +, Ark. +, Conn. +, Del. +, D.C. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Miss. +, Mo. +, Nebr. +, N.H. +, N.J. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Okla. +, Pa. +, R.I. +, S.C. +, S.Dak. +, Tenn. +, Vt. +, Va. +, W.Va. +  and Wis. +
0–600 m. +
basifixed +  and versatile +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
indehiscent +
0.63 cm6.3 mm <br />0.0063 m <br /> (1.12 cm11.2 mm <br />0.0112 m <br />) +
reflexed +  and spreading +
obovoid +  and globose +
Cool, temperate deciduous and mixed forests, forest margins, along streams. +
perennial +
branched +  and simple +
2.5 cm25 mm <br />0.025 m <br /> (30 cm300 mm <br />0.3 m <br />) +
deciduous +
denticulate +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
numerous +  and 1 +
0.63 cm6.3 mm <br />0.0063 m <br /> (1.12 cm11.2 mm <br />0.0112 m <br />) +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
pink +  and white +
slightly +, 1.6mm +  and 2.9mm +
/2 +  and 1 +
broadly deltate +  and broadly obovate obcordate or broadly obovate +
0.22 cm2.2 mm <br />0.0022 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
1.3 cm13 mm <br />0.013 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
Flowering summer. +
prominent +
rounded +
basal +  and cauline +
several +  and 1 +
clavate +  and globose +
11 +, 2 +  and 1 +
sculptured +  and smooth +
ellipsoid +
purple +  and green +
deciduous +
reflexed +  and spreading +
oblong +  and oblong-ovate +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.24 cm2.4 mm <br />0.0024 m <br />) +
parenchymatous +
parietal +, axile +  and placentation +
aquatic +, amphibious +  and terrestrial +
2 times as many or as many as sepals +
branched +  and unbranched +
prostrate +  and decumbent +
20 cm200 mm <br />0.2 m <br /> (90 cm900 mm <br />0.9 m <br />) +
obpyramidal +  and bilobed +
intrapetiolar +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
aquatic +, amphibious +  and terrestrial +
with prominent longitudinal grooves +  and smooth +
papillate +
Circaea canadensis var. virginiana +
Circaea canadensis subsp. canadensis +
Circaea canadensis +
subspecies +
3(-5)-aperturate +