Crataegus margarettae var. meiophylla

(Sargent) E. J. Palmer

Brittonia 5: 485. 1946.

Endemic
Basionym: Crataegus meiophylla Sargent J. Arnold Arbor. 3: 198. 1922
Treatment appears in FNA Volume 9. Treatment on page 603. Mentioned on page 602.

Leaves: blade round, less than 2.5 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, margins of woods, often in somewhat dry areas
Elevation: 70–200 m

Discussion

Variety meiophylla is a rare plant notable for its small leaves.

Selected References

None.

Lower Taxa

None.

"thin" is not a number."entire" is not a number."glabrous" is not a number."adnate" is not a number."dm" is not declared as a valid unit of measurement for this property.

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 +
obtuse;subacute +
James B. Phipps +
(Sargent) E. J. Palmer +
orangebrown +
thin-exfoliating +  and corrugated +
compound +  and simple +
opposite +  and alternate +
cuneate +
Crataegus meiophylla +
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 +
0 cm0 mm <br />0 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
subcoriaceous +
elliptic +  and linear +
pubescent +  and glabrous +
adnate +  and distinct +
crowded +, scattered +  and alternate +
not +  and aggregated +
70–200 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, margins of woods, often in somewhat dry areas +
constricted +
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 (?) +
pale paper brown +
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 +
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. meiophylla +
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 (?) +