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.

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 />) +