familyRosaceae
subfamilyRosaceae subfam. Amygdaloideae
genusCrataegus
sectionCrataegus sect. Coccineae
speciesCrataegus schuettei
Crataegus schuettei var. ferrissii
Publ. Bot. Milwaukee Public Mus. 3: 176. 1965.
Conservation concernEndemic
Basionym: Crataegus ferrissii Ashe J. Elisha Mitchell Sci. Soc. 17: 11. 1901 (as ferrissi)
Revision as of 13:42, 30 July 2020 by imported>Volume Importer
Leaf-blades ovate to ovate-oblong, 3–6 cm, base rounded to subtruncate, sinuses deep (max LII 25–40%), proximal lobe most deeply separated, spreading at 60º–80º. Inflorescence branches glabrous. Flowers 15–20 mm diam. Pomes 9–12 mm diam.
Phenology: Flowering May; fruiting Sep–Oct.
Habitat: Brush, field margins, woodland edges
Elevation: 300 m
Discussion
Of conservation concern.
Variety ferrissii is a very distinct form from northern Illinois that has recently been rediscovered near Tinley Park; it should perhaps be referred to another species.
Selected References
None.
Lower Taxa
None.
"thin" is not a number."glandular" 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 schuettei var. ferrissii"
glabrous +
aggregated +
appressed-scabrous-pubescent +
epigynous +
dehiscent +
acute +
flattened-scaly +
orangebrown +
exposed +
stipuliform +
pale green +
1.6-2 +
coriaceous +
leafy +
absent +
symmetric +
caducous +
absent +
falcate +
narrow +
membranous +
spreading +
woody +
simple +
lobed +
Ill. +
aggregated +
absent +
absent +
hard +
aggregated +
mature +
fascicles +
deep +
determinate +
glabrous +
persistent +
glabrous +
obconic +
constricted +
2mm;6mm +
4-10-flowered +
glabrous +
axillary +
crassinucellate +
compound +
alternate +
deciduous +
horizontal +
prominent +
absent +
dominant +
serrate +
free +
earlier +
glabrous +
dark green +
chartaceous +
thin +
absent +
aggregated +
superposed +
monopodial +
corymbose +
convex +
absent +
epigynous +
pale paper brown +
post-mature +
absent +
1;250 +
longitudinal +
exposed +
thin +
pruinose +
red +
glabrous +
succulent +
separated +
spreading +
Publ. Bot. Milwaukee Public Mus. +
1965 +
grooved +
plane +
not arillate +
2;1 +
persistent +
much shorter +
erect-patent +
triangular +
nonaccrescent +
annual +
absent +
woody +
excavated +
eroded +
absent +
pitted +
plane +
deep +
matte +
usually shorter +
spreading +
outer +
capitate +
pinnate +
deciduous +
free +
absent +
persistent +
distinct +
terminal +
3;5 +
elongate +
Crataegus schuettei var. ferrissii +
Crataegus schuettei +
variety +
compound +
straight +
stout +
recurved +
glossy +
pinnate +
young +
1 cm10 mm <br />0.01 m <br /> (?) +
developed +
absent +
inconspicuous +
minute +
fibrous +
absent +
thorny +
straight +
determinate +
old +
numerous +
young +
unarmed +
perennial +
incised +
narrower +