familyRosaceae
subfamilyRosaceae subfam. Amygdaloideae
genusCrataegus
sectionCrataegus sect. Coccineae
speciesCrataegus margarettae
Crataegus margarettae var. brownii
3: 199. 1922.
Endemic
Basionym: Crataegus brownii Britton 1: 447. 1900
Treatment appears in FNA Volume 9. Treatment on page 602.
Leaves: blade broadly elliptic, obovate to ovate, or suborbiculate, 3–5 cm, base broadly cuneate, lobe sinuses shallow, apex obtuse to subacute. Flowers 8–10 mm diam. Pomes ellipsoid.
Phenology: Flowering Apr–May; fruiting Sep–Oct.
Habitat: Hedgerows, thickets, wood margins, dry areas
Elevation: 100–300 m
Discussion
Variety brownii is sporadic in occurrence. It is notable for having small flowers. Reports from Indiana and West Virginia need validation.
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.
... more about "Crataegus margarettae var. brownii"
glabrous +
aggregated +
epigynous +
ivory +
dehiscent +
obtuse;subacute +
flattened-scaly +
orangebrown +
exposed +
stipuliform +
cuneate +
1.6-2 +
mid +
chartaceous +
matte +
subcoriaceous +
leafy +
absent +
symmetric +
caducous +
subherbaceous +
absent +
numerous +
falcate +
membranous +
spreading +
woody +
simple +
lobed +
aggregated +
absent +
absent +
hard +
aggregated +
mature +
caducous +
small +
fascicles +
determinate +
glabrous +
persistent +
glabrous +
obconic +
constricted +
2mm;6mm +
6-15-flowered +
axillary +
crassinucellate +
stipitate-glandular +
compound +
alternate +
deciduous +
horizontal +
prominent +
absent +
dominant +
free +
earlier +
glabrous +
absent +
aggregated +
superposed +
monopodial +
corymbose +
convex +
absent +
epigynous +
pale paper brown +
post-mature +
eglandular +
sessile-glandular +
absent +
1;250 +
longitudinal +
exposed +
thin +
pruinose +
glabrous +
bright +
ellipsoid +
J. Elisha Mitchell Sci. Soc. +
1922 +
grooved +
plane +
nonaccrescent +
not arillate +
2;1 +
sessile +
persistent +
reflexed +
1/2;2/3 +
triangular +
annual +
absent +
woody +
grooved +
eroded +
absent +
pitted +
matte +
Endemic +
usually shorter +
spreading +
outer +
capitate +
pinnate +
deciduous +
free +
absent +
persistent +
distinct +
terminal +
3;2 +
elongate +
Crataegus margarettae var. brownii +
Crataegus margarettae +
variety +
compound +
blackish +
straight +
recurved +
shiny +
slender +
pinnate +
young +
developed +
absent +
inconspicuous +
minute +
fibrous +
absent +
thorny +
straight +
determinate +
serrate +
unarmed +
multistemmed +
perennial +
incised +
narrower +