Crataegus collina var. succincta

(Sargent) E. J. Palmer

Ann. Missouri Bot. Gard. 22: 560. 1935.

Endemic
Basionym: Crataegus succincta Sargent Crataegus Missouri, 78. 1908
Synonyms: C. angustata Sargent
Treatment appears in FNA Volume 9. Treatment on page 544.

Leaf-blades narrowly obovate, 3–5 cm, 1/3–1/2 grown at anthesis, length/width = 1.75–2.25, membranous (young) to chartaceous (mature), lobes 0 or 1–3 per side, evident or obscure, max LII 10%, lobe apex acute, margins serrate, teeth 0.5 mm, apex acute, adaxial surface matte, densely puberulent young. Inflorescence branches pubescent. Flowers 10–12 mm diam.; stamens 20, anthers white, cream, or rose.


Phenology: Flowering Apr; fruiting Sep–Oct.
Habitat: Pastures, fencerows, scrub, open woodlands
Elevation: 10–200 m

Discussion

Variety succincta is uncommon; Crataegus angustata is the rose-anthered form. The leaf blades are particularly narrow, and small at anthesis.

Selected References

None.

Lower Taxa

None.
68 +, 51 +  and 34 +
scabrous-pubescent +
0.8 cm8 mm <br />0.008 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
rose +, cream +  and white +
James B. Phipps +
(Sargent) E. J. Palmer +
orangebrown +
thin-exfoliating +  and corrugated +
compound +  and simple +
opposite +  and alternate +
tapering +
Crataegus succincta +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
5 cm50 mm <br />0.05 m <br /> (7.5 cm75 mm <br />0.075 m <br />) +
rhombic-elliptic +, obtrullate +, obovate +, elliptic +  and rhombic-obovate +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
appressed-pubescent +
adnate +  and distinct +
crowded +, scattered +  and alternate +
not +  and aggregated +
10–200 m +
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 />) +
gray +  and grayish brown +
older +, old +  and new +
Pastures, fencerows, scrub, open woodlands +
pubescent +  and glabrous +
constricted +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
crassinucellate +
deciduous +
obscure +  and evident +
short-stipitate-glandular +
serrate +  and crenate +
inferior +  and superior +
biseriate +  and clustered +
collateral +  and basal +
eglandular +  and unwinged +
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 +
1 cm10 mm <br />0.01 m <br /> (?) +
Flowering Apr +  and fruiting Sep–Oct. +
adnate +, free +, connate +  and distinct +
dark gray-brown +  and russet +
exfoliating +  and corrugated +
pruinose +
ruddy +  and deep red +
0.8 cm8 mm <br />0.008 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
orbicular +
Ann. Missouri Bot. Gard. +
not arillate +
persistent +
free +  and distinct +
patent-reflexed +
triangular +
1-50-flowered +  and few-leaved +
free +  and distinct +
branched +  and simple +
persistent +
distinct +
exsert +  and lateral +
elongate +
glabrous +  and tomentose +
C. angustata +
Crataegus collina var. succincta +
Crataegus collina +
variety +
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 /> (4 cm40 mm <br />0.04 m <br />) +
craspedodromous +  and gland-tipped +
0.5 cm5 mm <br />0.005 m <br /> (?) +
inconspicuous +
less erect +  and oblique +
1 +  and several +
determinate +
few +  and numerous +
not +  and pubescent +
5 +  and 7 +