familyRosaceae
subfamilyRosaceae subfam. Amygdaloideae
genusCrataegus
sectionCrataegus sect. Macracanthae
speciesCrataegus scabrida
Crataegus scabrida var. scabrida
Synonyms: Crataegus improvisa Sargent
Revision as of 14:38, 30 July 2020 by imported>Volume Importer
Leaf-blades ovate, 4–7 cm, adaxial surface variably pubescent young. Inflorescence branches glabrous. Flowers: hypanthium glabrous.
Phenology: Flowering May–Jun; fruiting Sep–Oct.
Habitat: Brush, roadsides, woodland edges
Elevation: 50–400 m
Distribution
![V9 886-distribution-map.jpg](/w/images/a/af/V9_886-distribution-map.jpg)
N.B., N.S., Ont., Que., Maine, Mass., Mich., N.Y., Vt., Wis.
Discussion
Variety scabrida is widely spread through the range of Crataegus scabrida from Wisconsin to New England and Nova Scotia; it is nearly identical to C. brainerdii except for stamen number. Crataegus improvisa is a form with narrowly rhombic leaves.
Selected References
None.
Lower Taxa
None.
"thin" is not a number."glabrous" is not a number. "pubescent" 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 scabrida var. scabrida"
glabrous +
aggregated +
pubescent +
epigynous +
pink +
dehiscent +
acute +
flattened-scaly +
absent +
ovate +
coriaceous +
leafy +
absent +
symmetric +
caducous +
absent +
falcate +
membranous +
woody +
simple +
lobed +
aggregated +
absent +
absent +
hard +
aggregated +
mature +
fascicles +
deep +
determinate +
glabrous +
dull +
persistent +
glabrous +
obconic +
constricted +
2mm;6mm +
6-10-flowered +
glabrous +
axillary +
crassinucellate +
compound +
alternate +
deciduous +
horizontal +
prominent +
craspedodromous +
absent +
dominant +
sessile-glandular +
serrate +
free +
earlier +
absent +
aggregated +
superposed +
monopodial +
corymbose +
domed +
absent +
epigynous +
pale paper brown +
post-mature +
absent +
slender +
1;250 +
exposed +
thin +
pruinose +
suborbicular +
Rhodora +
1901 +
grooved +
not arillate +
2;1 +
persistent +
spreading +
triangular +
annual +
absent +
woody +
excavated +
eroded +
absent +
pitted +
plane +
shallow +
Endemic +
usually shorter +
8;7 +
spreading +
outer +
capitate +
pinnate +
deciduous +
free +
absent +
persistent +
distinct +
terminal +
4;3 +
elongate +
Crataegus scabrida var. scabrida +
Crataegus scabrida +
variety +
compound +
stout +
recurved +
pinnate +
young +
developed +
absent +
inconspicuous +
minute +
absent +
thorny +
determinate +
old +
shiny +
unarmed +
perennial +
incised +
narrower +