familyRosaceae
subfamilyRosaceae subfam. Amygdaloideae
genusCrataegus
sectionCrataegus sect. Coccineae
speciesCrataegus reverchonii
Crataegus reverchonii var. palmeri
Novon 16: 386. 2006.
Endemic
Basionym: Crataegus palmeri Sargent Trees & Shrubs 1: 57, plate 29. 1903
Synonyms: C. canbyi Sargent
Shrubs, 80 dm. Short-shoot leaf-blades 4–6 cm, usually drying dark. Inflorescences usually glabrous. Flowers 10–12 mm diam.; styles (2 or) 3.
Phenology: Flowering Apr; fruiting Sep–Oct.
Habitat: Brush
Elevation: 10–200 m
Distribution
Loading map...
Ark., Del., Kans., Mo., Tenn.
Discussion
Variety palmeri ranges from the Ozark region to Delaware. Crataegus pennypackeri Sargent from Delaware, sometimes treated as distinct, is perhaps no more than a form of C. canbyi.
Selected References
None.
Lower Taxa
None.
"thin" 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 reverchonii var. palmeri"
aggregated +
epigynous +
dehiscent +
subacute;obtuse +
flattened-scaly +
exposed +
stipuliform +
cuneate +
deep +
1.6-2 +
coriaceous +
leafy +
absent +
symmetric +
caducous +
absent +
falcate +
small +
narrow +
membranous +
glandular-punctate +
glabrous +
woody +
simple +
lobed +
aggregated +
absent +
absent +
hard +
aggregated +
mature +
fascicles +
dark gray +
determinate +
glabrous +
medium +
persistent +
obconic +
constricted +
2mm;6mm +
8-15-flowered +
axillary +
glabrous +
crassinucellate +
compound +
alternate +
deciduous +
horizontal +
prominent +
absent +
dominant +
craspedodromous +
serrulate +
free +
earlier +
subentire +
absent +
aggregated +
superposed +
monopodial +
corymbose +
domed +
absent +
epigynous +
pale paper brown +
post-mature +
eglandular +
absent +
1;250 +
longitudinal +
exposed +
thin +
pruinose +
glabrous +
suborbicular +
Novon +
2006 +
grooved +
plane +
not arillate +
2;1 +
persistent +
much shorter +
triangular +
annual +
absent +
woody +
excavated +
eroded +
absent +
pitted +
plane +
shallow +
matte +
Endemic +
usually shorter +
10;15 +
spreading +
outer +
capitate +
pinnate +
deciduous +
free +
absent +
persistent +
distinct +
terminal +
elongate +
young +
Crataegus reverchonii var. palmeri +
Crataegus reverchonii +
variety +
compound +
blackish +
straight +
stout +
pinnate +
young +
developed +
absent +
inconspicuous +
minute +
older +
fibrous +
absent +
thorny +
determinate +
reflexed +
numerous +
unarmed +
perennial +
incised +
narrower +