Quercus pagoda

Rafinesque

Alsogr. Amer., 23. 1838.

Common names: Cherrybark oak
EndemicIllustrated
Synonyms: Quercus falcata var. leucophylla (Ashe) E. J. Palmer & Steyermark Quercus falcata var. pagodifolia Elliott Quercus leucophylla (Elliott) Ashe Quercus pagodifolia
Treatment appears in FNA Volume 3.
Revision as of 08:30, 30 July 2020 by imported>Volume Importer
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Trees, deciduous, to 40 m. Bark nearly black with narrow and noticeably flaky ridges, often resembling that of wild black cherry, inner bark orange. Twigs yellowish-brown, 2-3.5 mm diam., pubescent. Terminal buds light reddish-brown, ovoid, 4-9 mm, strongly 5-angled in cross-section, puberulent throughout. Leaves: petiole 20-50 mm, glabrate or pubescent. Leaf-blade ovate to elliptic or obovate, 90-300 × 60-160 mm, base cuneate to rounded or truncate, margins with 5-11 lobes and 10-25 awns, lobes oblong, rarely falcate, terminal lobe rarely exceeding lateral lobes in length, apex acute; surfaces abaxially pale, tomentose, adaxially glossy, glabrous, secondary-veins raised on both surfaces. Acorns biennial; cup saucer-shaped to cupshaped, 3-7 mm high × 10-18 mm wide, covering 1/3-1/2 nut, outer surface puberulent, inner surface pubescent, scale tips tightly appressed, acute; nut subglobose, 9-15 × 8-16 mm, often striate, puberulent, scar diam. 5-9 mm.


Phenology: Flowering spring.
Habitat: Poorly drained bottoms and mesic slopes
Elevation: 0-300 m

Distribution

V3 35-distribution-map.gif

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

Discussion

Quercus pagoda is often treated as a variety of Q. falcata; it is quite distinctive, however, both morphologically and ecologically (S. A. Ware 1967; R. J. Jensen 1989).

This species reportedly hybridizes with Q. falcata and Q. phellos (D. M. Hunt 1989).

Selected References

None.

Lower Taxa

None.
... more about "Quercus pagoda"
Kevin C. Nixon +
Rafinesque +
furrowed +  and smooth +
orange;black +
cuneate;rounded or truncate +
2-6-lobed +
pistillate +, capitate +  and spicate +
Cherrybark oak +
connate +  and distinct +
starchy +  and fleshy +
tuberculate +
saucer-shaped +  and cupshaped +
×10-18 +, 3mm +  and 7mm +
multibracteate +, spiny +  and scaly +
Ala. +, Ark. +, Fla. +, Ga. +, Ill. +, Ind. +, Ky. +, La. +, Miss. +, Mo. +, N.C. +, Okla. +, S.C. +, Tenn. +, Tex. +  and Va. +
0-300 m +
pistillate +  and staminate +
biennial +, annual +  and maturation +
1-seeded +  and winged +
in groups +  and enclosed +
Poorly drained bottoms and mesic slopes +
pistillate +, spicate +  and staminate +
silky-tomentose +
9 cm90 mm <br />0.09 m <br /> (30 cm300 mm <br />0.3 m <br />) +
ovate +  and elliptic or obovate +
arranged +  and alternate +
5 (?) +  and 11 (?) +
falcate +  and oblong +
entire +, dentate +  and serrate +
toothed +  and entire +
0.9 cm9 mm <br />0.009 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
puberulent +
1/3 +  and 1/2 +
subglobose +
0.8 cm8 mm <br />0.008 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
pubescent +  and glabrate +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Flowering spring. +
Alsogr. Amer., +
distinct +
few-to-many +
reduced +
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
anastomosing +, branching +  and unbranched +
Endemic +  and Illustrated +
inconspicuous +
distinct +
linear-spatulate +
glabrous +  and tomentose +
Quercus falcata var. leucophylla +, Quercus falcata var. pagodifolia +, Quercus leucophylla +  and Quercus pagodifolia +
Quercus pagoda +
Quercus sect. Lobatae +
species +
light reddish-brown +
5-angled +  and ovoid +
0.4 cm4 mm <br />0.004 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
bristle-tipped +
yellowish-brown +
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +