Crataegus extraria

Beadle

Biltmore Bot. Stud. 1: 73. 1902.

Endemic
Synonyms: Crataegus alleghaniensis var. extraria (Beadle) Lance
Treatment appears in FNA Volume 9. Treatment on page 617. Mentioned on page 612.

Shrubs, 25 dm. Stems: twigs ± flexuous, new growth not recorded, 1-year old reddish-brown, older dark purple-brown; thorns on twigs numerous, straight, 2-years old blackish, fine, 2–3 cm. Leaves: petiole length 33–40% blade, sparsely pubescent, sessile-glandular; blade rhombic-ovate, 3–4 cm, widest towards base, thin, base cuneate, lobes 2 or 3 per side, obscure to short, sinuses ± shallow, lobe apex acute, margins serrulate, teeth gland-tipped, veins 4 or 5 per side, apex acuminate, abaxial surface sparsely pubescent, adaxial glabrous. Inflorescences 3–5-flowered; branches pilose; bracteoles not seen. Flowers 16–20 mm diam.; hypanthium pilose; sepals narrowly triangular, margins glandular-serrate; stamens 12–15 (or 20), anthers dark purple; styles 2 or 3 (or 4). Pomes red (yellow-orange immature), suborbicular, 9–12 mm diam., glabrous; sepals on collar, spreading; pyrenes 4.


Phenology: Flowering Apr–May; fruiting Sep–Oct.
Habitat: Brush
Elevation: 50–500 m

Discussion

Crataegus extraria has always been very rare, occurring in scattered localities in North Carolina and Virginia.

As treated here, there is considerable extension to forms beyond the typical that may include hybrids.

Selected References

None.

Lower Taxa

None.
... more about "Crataegus extraria"
glabrous +, glabrescent +  and hairy +
0.8 cm8 mm <br />0.008 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
dark purple +
James B. Phipps +
Beadle +
thin-exfoliating +  and corrugated +
compound +  and simple +
opposite +  and alternate +
cuneate +
8 cm80 mm <br />0.08 m <br /> (12 cm120 mm <br />0.12 m <br />) +
rhombic-ovate +
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
linear +  and narrowly oblong +
rather than pendent +  and spreading +
adnate +  and distinct +
crowded +, scattered +  and alternate +
Ala. +, Ga. +, N.C. +  and Va. +
not +  and aggregated +
50–500 m +
1.6 cm16 mm <br />0.016 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 />) +
dark purple-brown +  and reddish-brown +
older +, old +  and new +
pubescent +  and glabrous +
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 +
stipitate-glandular +
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 +
pubescent +
Flowering Apr–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 />) +
suborbicular +
Biltmore Bot. Stud. +
not arillate +
persistent +
free +  and distinct +
triangular +
nonaccrescent +
1-50-flowered +  and few-leaved +
free +  and distinct +
branched +  and simple +
persistent +
distinct +
exsert +  and lateral +
elongate +
glabrous +  and tomentose +
Crataegus alleghaniensis var. extraria +
Crataegus extraria +
Crataegus (sect. Coccineae) ser. Apricae +
species +
6 cm60 mm <br />0.06 m <br /> (10 cm100 mm <br />0.1 m <br />) +
straight +
slender +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
gland-tipped +
inconspicuous +
less erect +  and oblique +
1 +  and several +
flexuous +
determinate +
5 +  and 4 +