Crataegus alleghaniensis

Beadle

Bot. Gaz. 30: 337. 1900.

Endemic
Treatment appears in FNA Volume 9. Treatment on page 616. Mentioned on page 612.

Shrubs, 20–40 (–50) dm. Stems: twigs ± flexuous, new growth reddish, glabrous, 1-year old reddish gray, older gray; thorns on twigs straight or slightly recurved, 2-years old deep chestnut-brown to blackish, fine, 1.5–4 cm. Leaves: petiole length 25–30% blade, glabrous, densely sessile-glandular; blade elliptic-ovate to rhombic-ovate, (2–) 3–5 cm, widest towards base, thin, base broadly cuneate, lobes 3 per side, sinuses short to moderately deep, lobe apex acute to acuminate, margins serrulate, teeth with small glands, veins 5 per side, apex acute, abaxial surface glabrous, adaxial pilose young, soon glabrescent. Inflorescences 2–4-flowered; branches glabrous; bracteoles caducous, linear, margins glandular. Flowers 20 mm diam.; hypanthium glabrous; sepals narrowly triangular, 5 mm, margins glandular-serrate, abaxially glabrous; stamens 10, anthers pink; styles 4. Pomes red, orbicular-pyriform, 8–12 mm diam., glabrous; sepals spreading; pyrenes 2–5.


Phenology: Flowering Apr; fruiting Sep–Oct.
Habitat: Rocky hills, brush
Elevation: 50–200 m

Discussion

Crataegus alleghaniensis is known from a few locations in northeastern Alabama, Georgia, and Tennessee, and is apparently scarce.

Selected References

None.

Lower Taxa

None.
... more about "Crataegus alleghaniensis"
glabrous +, glabrescent +  and hairy +
glabrescent +  and pilose +
0.8 cm8 mm <br />0.008 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
James B. Phipps +
Beadle +
thin-exfoliating +  and corrugated +
compound +  and simple +
opposite +  and alternate +
cuneate +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
elliptic-ovate +  and rhombic-ovate +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
linear +  and narrowly oblong +
rather than pendent +  and spreading +
adnate +  and distinct +
crowded +, scattered +  and alternate +
Ala. +, Ga. +  and Tenn. +
not +  and aggregated +
50–200 m +
20 cm200 mm <br />0.2 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 gray +  and reddish +
older +, old +  and new +
Rocky hills, brush +
constricted +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
crassinucellate +
deciduous +
craspedodromous +
glandular-serrate +  and serrulate +
glandular-crenate to glandular-serrate +  and glandular-crenate +
1.5 cm15 mm <br />0.015 m <br /> (5 cm50 mm <br />0.05 m <br />) +
inferior +  and superior +
biseriate +  and clustered +
collateral +  and basal +
larger +  and reduced +
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 +
Flowering Apr +  and fruiting Sep–Oct. +
adnate +, free +, connate +  and distinct +
dark gray-brown +  and russet +
exfoliating +  and corrugated +
pruinose +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
orbicular-pyriform +
not arillate +
persistent +
free +  and distinct +
triangular +
nonaccrescent +
5 cm50 mm <br />0.05 m <br /> (?) +
1-50-flowered +  and few-leaved +
free +  and distinct +
branched +  and simple +
persistent +
distinct +
exsert +  and lateral +
elongate +
glabrous +  and tomentose +
Crataegus alleghaniensis +
Crataegus (sect. Coccineae) ser. Apricae +
species +
6 cm60 mm <br />0.06 m <br /> (10 cm100 mm <br />0.1 m <br />) +
chestnut-brown +  and blackish +
straight +
slender +
1.5 cm15 mm <br />0.015 m <br /> (4 cm40 mm <br />0.04 m <br />) +
craspedodromous +  and gland-tipped +
inconspicuous +
less erect +  and oblique +
1 +  and several +
straight +  and flexuous +
determinate +