Crataegus marshallii

Eggleston in N. L. Britton and J. A. Shafer

in N. L. Britton and J. A. Shafer, N. Amer. Trees, 473. 1908.

Common names: Parsley haw
Endemic
Basionym: Mespilus apiifolia Marshall Arbust. Amer., 89. 1785,
Treatment appears in FNA Volume 9. Treatment on page 498. Mentioned on page 592, 625, 632.

Shrubs or trees, 20–80 dm. Stems 1-trunked; 1-year old twigs dark purple-brown, older dark, dull gray; thorns on twigs straight or slightly recurved, 1.5–3 cm, 3-years old dark and shiny, slender, 2–3 cm. Leaves: petiole long, pubescent; blade broadly ovate to deltate, 1.5–3 cm, base broadly cuneate to ± truncate, lobes 3 per side, narrow, margins serrate, particularly toward lobe apices, veins 7 or 8 per side (including those to sinuses), apex acute, surfaces hairy, especially along veins abaxially. Inflorescences 4–10-flowered; branches densely pubescent; bracteole margins short-stipitate-glandular. Flowers 12–17 mm diam.; hypanthium hairy; sepals narrowly triangular, margins slightly incised; stamens 20, anthers deep rose to red; styles 1 or 2 (or 3). 2n = 34, 51.


Phenology: Flowering Mar–Apr; fruiting Sep–Nov.
Habitat: Alluvial and other woodlands, light shade, open areas, calcareous or mafic rock, uplands
Elevation: 10–500 m

Distribution

V9 836-distribution-map.jpg

Ala., Ark., Fla., Ga., Ill., Ky., La., Miss., Mo., N.C., Okla., S.C., Tenn., Tex., Va.

Discussion

Crataegus marshallii is common in the southeastern United States; reports from Kansas are unconfirmed. The exfoliating bark is an attractive ornamental characteristic.

Crataegus apiifolia (Marshall) Michaux is an illegitimate name.

Selected References

None.

Lower Taxa

None.

"thin" is not a number."adnate" is not a number."dm" is not declared as a valid unit of measurement for this property.

... more about "Crataegus marshallii"
0.8 cm8 mm <br />0.008 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
70 +  and 45 +
rose +  and red +
James B. Phipps +
Eggleston in N. L. Britton and J. A. Shafer +
exfoliating +
compound +  and simple +
opposite +  and alternate +
broadly cuneate +  and more or less truncate +
Mespilus apiifolia +
8 cm80 mm <br />0.08 m <br /> (12 cm120 mm <br />0.12 m <br />) +
broadly ovate +  and deltate +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
coriaceous +
short-stipitate-glandular +
adnate +  and distinct +
crowded +, scattered +  and alternate +
Parsley haw +
Ala. +, Ark. +, Fla. +, Ga. +, Ill. +, Ky. +, La. +, Miss. +, Mo. +, N.C. +, Okla. +, S.C. +, Tenn. +, Tex. +  and Va. +
not +  and aggregated +
10–500 m +
1.2 cm12 mm <br />0.012 m <br /> (1.7 cm17 mm <br />0.017 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 +
Alluvial and other woodlands, light shade, open areas, calcareous or mafic rock, uplands +
constricted +
crassinucellate +
deciduous +
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 />) +
0 (?) +  and 4 (?) +
pale paper brown +
free +  and distinct +
post-mature +
Flowering Mar–Apr +  and fruiting Sep–Nov. +
adnate +, free +, connate +  and distinct +
dark gray-brown +  and russet +
exfoliating +  and corrugated +
bright red +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
orbicular +  and ellipsoid to sometimes +
in N. L. Britton and J. A. Shafer, N. Amer. Trees, +
not arillate +
persistent +
free +  and distinct +
appressed +  and erect +
triangular +
1-50-flowered +  and few-leaved +
craspedodromous +
free +  and distinct +
branched +  and simple +
persistent +
distinct +
exsert +  and lateral +
elongate +
Crataegus marshallii +
Crataegus (sect. Crataegus) ser. Apiifoliae +
species +
6 cm60 mm <br />0.06 m <br /> (10 cm100 mm <br />0.1 m <br />) +
curved +  and straight +
slender +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
gland-tipped +
inconspicuous +
exfoliating +
1 +  and few +
gray +, dark +  and dark purple-brown +
straight +
determinate +
older +  and old +
8 (?) +  and 7 (?) +
tree +  and shrub +