Crataegus schuettei var. gigantea

Kruschke

J. Bot. Res. Inst. Texas 2: 473. 2008.

Conservation concernEndemic
Treatment appears in FNA Volume 9. Treatment on page 566. Mentioned on page 565.

Leaf-blades ± ovate, 3–6 cm, base rounded to broadly cuneate, sinuses shallow (max LII 15–20%). Inflorescence branches glabrous. Flowers 24–26 mm diam. Pomes 15–20 mm diam.


Phenology: Flowering May; fruiting Sep–Oct.
Habitat: Brush, field margins, woodland edges
Elevation: 300 m

Discussion

Of conservation concern.

Variety gigantea is only known from Wisconsin and is hardly differentiated from var. schuettei except by its much larger flowers and larger fruit.

Selected References

None.

Lower Taxa

None.
appressed-scabrous-pubescent +
glabrescent +  and scabrous-pubescent +
0.8 cm8 mm <br />0.008 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
James B. Phipps +
Kruschke +
orangebrown +
thin-exfoliating +  and corrugated +
compound +  and simple +
opposite +  and alternate +
rounded +  and broadly cuneate +
Tenuifoliae +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
8 cm80 mm <br />0.08 m <br /> (12 cm120 mm <br />0.12 m <br />) +
ovate +  and oblong-ovate or narrowly ovate +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
pubescent +  and glabrous +
adnate +  and distinct +
crowded +, scattered +  and alternate +
not +  and aggregated +
2.4 cm24 mm <br />0.024 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
unisexual +  and bisexual +
not +  and aggregated +
not +  and aggregated +
yellow +  and red or purplish +
0.6 cm6 mm <br />0.006 m <br /> (2 cm20 mm <br />0.02 m <br />) +
gray +, reddish-brown +  and reddish +
older +, old +  and new +
dull +  and shiny +
Brush, field margins, woodland edges +
constricted +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
crassinucellate +
deciduous +
eglandular +  and craspedodromous +
glandular-serrate +  and subentire +
6 cm60 mm <br />0.06 m <br /> (8 cm80 mm <br />0.08 m <br />) +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
inferior +  and superior +
biseriate +  and clustered +
collateral +  and basal +
0.8 cm8 mm <br />0.008 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
elliptic +  and circular +
0 (?) +  and 4 (?) +
free +  and distinct +
post-mature +
eglandular +  and sessile-glandular +
glandular +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Flowering May +  and fruiting Sep–Oct. +
adnate +, free +, connate +  and distinct +
dark gray-brown +  and russet +
exfoliating +  and corrugated +
pruinose +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
ellipsoid +  and suborbicular +
succulent +
J. Bot. Res. Inst. Texas +
not arillate +
persistent +
free +  and distinct +
erect-patent +
triangular +
nonaccrescent +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
1-50-flowered +  and few-leaved +
Conservation concern +  and Endemic +
free +  and distinct +
branched +  and simple +
persistent +
distinct +
exsert +  and lateral +
elongate +
glabrous +  and tomentose +
Crataegus sect. Tenuifoliae +
Crataegus schuettei var. gigantea +
Crataegus schuettei +
variety +
6 cm60 mm <br />0.06 m <br /> (10 cm100 mm <br />0.1 m <br />) +
dark-brown +  and blackish +
straight +
stout +  and slender +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
craspedodromous +  and gland-tipped +
1 cm10 mm <br />0.01 m <br /> (?) +
inconspicuous +
less erect +  and oblique +
1 +  and several +
straight +
determinate +
glabrescent +  and pilose +
6 +  and 5 +
tree +  and shrub +