Crataegus margarettae var. margarettae

Endemic
Treatment appears in FNA Volume 9. Treatment on page 602.

Leaves: blade broadly elliptic to suborbiculate, 3–5 cm, base broadly cuneate, lobe sinuses ± shallow to ± deep, apex obtuse to subacute. Flowers 12–17 mm diam. Pomes broadly ellipsoid to suborbicular.


Phenology: Flowering Apr–May; fruiting Sep–Oct.
Habitat: Hedgerows, thickets, wood margins, dry areas
Elevation: 100–300 m

Distribution

V9 1034-distribution-map.jpg

Ont., Ill., Ind., Iowa, Ky., Mich., Mo., Ohio, Pa., Va., W.Va., Wis.

Discussion

Variety margarettae is the most common variety, occurring nearly throughout the range of the species. It has an uncommon form with distinctly pubescent inflorescences.

Selected References

None.

Lower Taxa

None.
glabrescent +  and appressed-short-pubescent +
0.8 cm8 mm <br />0.008 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
glabrous +  and pubescent +
James B. Phipps +
orangebrown +
thin-exfoliating +  and corrugated +
compound +  and simple +
opposite +  and alternate +
cuneate +
Crataegus sect. Rotundifoliae +
lance-elliptic +  and elliptic +
6 cm60 mm <br />0.06 m <br /> (9.5 cm95 mm <br />0.095 m <br />) +
green +  and bluish green +
broadly elliptic +  and suborbiculate +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
elliptic +  and linear +
pubescent +  and glabrous +
adnate +  and distinct +
crowded +, scattered +  and alternate +
Ont. +, Ill. +, Ind. +, Iowa +, Ky. +, Mich. +, Mo. +, Ohio +, Pa. +, Va. +, W.Va. +  and Wis. +
not +  and aggregated +
100–300 m +
1.2 cm12 mm <br />0.012 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
unisexual +  and bisexual +
not +  and aggregated +
not +  and aggregated +
yellow +  and red or purplish +
0.6 cm6 mm <br />0.006 m <br /> (2 cm20 mm <br />0.02 m <br />) +
gray +, brownish gray +  and brownish tan +
older +, old +  and new +
dull +  and shiny +
Hedgerows, thickets, wood margins, dry areas +
constricted +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
crassinucellate +
stipitate-glandular +
deciduous +
glandular-serrate +  and serrate +
subentire +, entire +  and crenate +
inferior +  and superior +
biseriate +  and clustered +
collateral +  and basal +
0.8 cm8 mm <br />0.008 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
elliptic +  and circular +
0 (?) +  and 4 (?) +
free +  and distinct +
post-mature +
pubescent +  and glabrous +
Flowering Apr–May +  and fruiting Sep–Oct. +
adnate +, free +, connate +  and distinct +
dark gray-brown +  and russet +
exfoliating +  and corrugated +
pruinose +
burgundy +, dull +, red +, orange-red +  and yellow +
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
broadly ellipsoid +  and suborbicular +
J. Elisha Mitchell Sci. Soc. +
nonaccrescent +
not arillate +
persistent +
free +  and distinct +
triangular +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
1-50-flowered +  and few-leaved +
concave +  and plane +
deep +  and shallow +
free +  and distinct +
branched +  and simple +
persistent +
distinct +
exsert +  and lateral +
elongate +
glabrous +  and tomentose +
Crataegus margarettae var. margarettae +
Crataegus margarettae +
variety +
5 cm50 mm <br />0.05 m <br /> (7 cm70 mm <br />0.07 m <br />) +
straight +
slender +
2.5 cm25 mm <br />0.025 m <br /> (5 cm50 mm <br />0.05 m <br />) +
craspedodromous +  and gland-tipped +
inconspicuous +
less erect +  and oblique +
1 +  and several +
straight +
determinate +
few +  and numerous +
4 +  and 3 +