Crataegus schuettei var. ferrissii

(Ashe) Kruschke

Publ. Bot. Milwaukee Public Mus. 3: 176. 1965.

Conservation concernEndemic
Basionym: Crataegus ferrissii Ashe J. Elisha Mitchell Sci. Soc. 17: 11. 1901 (as ferrissi)
Treatment appears in FNA Volume 9. Treatment on page 566. Mentioned on page 565.

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.
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 +
(Ashe) Kruschke +
orangebrown +
thin-exfoliating +  and corrugated +
compound +  and simple +
opposite +  and alternate +
rounded +  and subtruncate +
Crataegus ferrissii +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
ovate +  and ovate-oblong +
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 +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 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 +
0.9 cm9 mm <br />0.009 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
ellipsoid +  and suborbicular +
succulent +
Publ. Bot. Milwaukee Public Mus. +
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. ferrissii +
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 +