Crataegus (sect. Crataegus) ser. Cordatae

Man. Cult. Trees ed. 2, 367. 1940.

Endemic
Basionym: Cordatae Beadle in J. K. Small, Fl. S.E. U.S., 532. 1903
Synonyms: Crataegus sect. Cordatae (Beadle) Eggleston
Treatment appears in FNA Volume 9. Treatment on page 498. Mentioned on page 496, 499.

Trees, 40–100 dm. Stems: trunk bark freshly exposed ± orange, older dark gray brown, flattened-scaly in elongate strips; compound thorns on trunks present; thorns on twigs determinate. Leaves: petiole length 40–60% blade; blade brilliantly bronze and purple in fall, glossy, ± deltate, broad, 3–6 cm, lobes palmate or 2 or 3 (or 4) per side, sinuses deep, triangular, venation craspedodromous, veins to lobes and deeper sinuses. Inflorescences 15–30-flowered; branches glabrous; bracteoles caducous, linear, small, membranous, margins stipitate-glandular. Flowers 10–12 mm diam.; sepals broadly triangular; stamens 20, anthers ivory; styles 3 (or 4). Pomes vermillion, ± orbicular, 5–8 mm diam., shiny; sepal remnants persistent or deciduous; pyrenes 3, dorsally grooved, sides plane.

Distribution

c, se United States, elsewhere in the flora area

Discussion

Species 1.

Series Cordatae occurs in a wide band from Missouri to North Carolina with outliers in all states southward except Alabama. Anthesis occurs last among sympatric hawthorns.

Selected References

None.

0.8 cm8 mm <br />0.008 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
James B. Phipps +
Linnaeus +
exfoliating +
compound +  and simple +
opposite +  and alternate +
Cordatae +
8 cm80 mm <br />0.08 m <br /> (12 cm120 mm <br />0.12 m <br />) +
bronze and purple +
deltate +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
adnate +  and distinct +
crowded +, scattered +  and alternate +
c +, se United States +  and elsewhere in the flora area +
not +  and aggregated +
1 cm10 mm <br />0.01 m <br /> (1.2 cm12 mm <br />0.012 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 />) +
tomentose +  and glabrous +
constricted +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
crassinucellate +
deciduous +
entire +  and serrate +
stipitate-glandular +
serrate +  and crenate +
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 +
adnate +, free +, connate +  and distinct +
dark gray-brown +  and russet +
exfoliating +  and corrugated +
vermillion +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
orbicular +
Man. Cult. Trees ed. +
not arillate +
persistent +
free +  and distinct +
appressed +  and erect +
deciduous +  and persistent +
triangular +
1-50-flowered +  and few-leaved +
craspedodromous +
free +  and distinct +
branched +  and simple +
elongate +
persistent +
distinct +
exsert +  and lateral +
elongate +
glabrous +  and tomentose +
Crataegus sect. Cordatae +
Crataegus (sect. Crataegus) ser. Cordatae +
Crataegus sect. Crataegus +
6 cm60 mm <br />0.06 m <br /> (10 cm100 mm <br />0.1 m <br />) +
curved +  and straight +
slender +
1 cm10 mm <br />0.01 m <br /> (6 cm60 mm <br />0.06 m <br />) +
craspedodromous +  and gland-tipped +
inconspicuous +
1 +  and few +
determinate +
2 +  and 8 +