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
Revision as of 14:39, 30 July 2020 by imported>Volume Importer
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
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 +
10 cm100 mm <br />0.1 m <br /> (?) +
glabrous +
suborbicular +
Novon +
2006 +
grooved +
plane +
not arillate +
2;1 +
persistent +
much shorter +
triangular +
4 cm40 mm <br />0.04 m <br /> (?) +
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 +