Crataegus berberifolia var. engelmannii

(Sargent) Eggleston

Rhodora 10: 76. 1908.

Endemic
Basionym: Crataegus engelmannii Sargent Bot. Gaz. 31: 2. 1901 (as engelmanni)
Synonyms: C. albicera Beadle C. bellica Sargent C. crus-galli var. bellica (Sargent) E. J. Palmer C. engelmannii var. sinistra (Beadle) E. J. Palmer C. hirtella Sargent C. munita Sargent C. pilifera Sargent C. setosa Beadle C. signata Beadle C. sinistra Sargent C. tenuis Sargent C. triumphalis Sargent C. vallicola
Treatment appears in FNA Volume 9. Treatment on page 540.

Flowers 10–15 mm diam.; stamens 10, anthers usually pink.


Phenology: Flowering Apr; fruiting Sep–Nov.
Habitat: Brush
Elevation: 10–200 m

Distribution

V9 911-distribution-map.jpg

Ala., Ark., Kans., La., Miss., Mo.

Discussion

Variety engelmannii is red-fruited and is the most common variety in Missouri; it extends without break from Kansas to Louisiana and Alabama. Crataegus signata possibly does not belong; it has three to five styles, and Beadle compares it to C. ashei (ser. Bracteatae) in his protologue.

Selected References

None.

Lower Taxa

None.
glabrescent +, hairy +, pubescent +  and pilose +
0.8 cm8 mm <br />0.008 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
James B. Phipps +
(Sargent) Eggleston +
thin-exfoliating +  and corrugated +
compound +  and simple +
opposite +  and alternate +
cuneate +
Crataegus engelmannii +
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
green +  and paler green +
glossy +  and bright +
narrowly obovate +  and oblanceolate +
3 cm30 mm <br />0.03 m <br /> (?) +
glandular-punctate +
adnate +  and distinct +
crowded +, scattered +  and alternate +
Ala. +, Ark. +, Kans. +, La. +, Miss. +  and Mo. +
not +  and aggregated +
10–200 m +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 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 +, brown +, green tinged with red +  and orangebrown +
older +, old +  and new +
Brush +
glabrous +  and villous +
constricted +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
crassinucellate +
deciduous +
craspedodromous +
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 +
glabrescent +
glabrescent +  and villous +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Flowering Apr +  and fruiting Sep–Nov. +
adnate +, free +, connate +  and distinct +
dark gray-brown +  and russet +
exfoliating +  and corrugated +
pruinose +
reddish +  and yellow +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
suborbicular +
not arillate +
persistent +
free +  and distinct +
triangular +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
1-50-flowered +  and few-leaved +
free +  and distinct +
branched +  and simple +
persistent +
distinct +
exsert +  and lateral +
elongate +
hairy +  and glabrous +
C. albicera +, C. bellica +, C. crus-galli var. bellica +, C. engelmannii var. sinistra +, C. hirtella +, C. munita +, C. pilifera +, C. setosa +, C. signata +, C. sinistra +, C. tenuis +, C. triumphalis +  and C. vallicola +
Crataegus berberifolia var. engelmannii +
Crataegus berberifolia +
variety +
4 cm40 mm <br />0.04 m <br /> (6.5 cm65 mm <br />0.065 m <br />) +
black +  and chestnut-brown +
straight +
medium +  and stout +
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
craspedodromous +  and gland-tipped +
inconspicuous +
less erect +  and oblique +
1 +  and several +
straight +
determinate +
4 +  and 6 +
tree +  and shrub +