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cherrybark oak, Texas oak

bellota, Emory oak, Emory's oak

Habit Trees, deciduous, to 40 m. Bark nearly black with narrow and noticeably flaky ridges, often resembling that of wild black cherry, inner bark orange. Trees or shrubs, evergreen, to 15 m. Bark dark brown to black, deeply fissured.
Twigs

yellowish brown, 2-3.5 mm diam., pubescent.

dark reddish brown, 1-3 mm diam., pubescent.

Leaves

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.

blade ovate to narrowly oblong to obovate, planar, 28-95 × 15-45 mm, base cordate, margins entire or spinose, with up to 13 awns, apex blunt to acute;

surfaces abaxially glabrous except for tuft of tomentum on each side of midrib at base of blade, rarely completely glabrous, adaxially not rugous, glabrous or with a few hairs along midrib.

Acorns

biennial;

cup saucer-shaped to cup-shaped, 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.

annual;

cup cup-shaped, 5-7.5 mm high × 7-12 mm wide, covering 1/4-1/2 nut, outer surface pubescent to sparsely puberulent, inner surface pubescent to floccose, scale tips appressed, blunt;

nut ellipsoid to oblong, 10-18 × 6-10 mm, glabrous to puberulent, especially at apex, scar diam. 3-5.5 mm.

Terminal

buds light reddish brown, ovoid, 4-9 mm, strongly 5-angled in cross section, puberulent throughout.

buds reddish brown, ovoid to subconic, 2.5-6.5 mm, glabrous except for tuft of hairs at apex, occasionally hairy on distal 1/2.

Quercus pagoda

Quercus emoryi

Phenology Flowering spring. Flowering spring.
Habitat Poorly drained bottoms and mesic slopes Foothills and slopes
Elevation 0-300 m (0-1000 ft) 1000-2200 m (3300-7200 ft)
Distribution
from FNA
AL; AR; FL; GA; IL; IN; KY; LA; MO; MS; NC; OK; SC; TN; TX; VA
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; NM; TX; n Mexico
[WildflowerSearch map]
[BONAP county map]
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).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Quercus emoryi reportedly hybridizes with Q. graciliformis (= Q. ×tharpii C. H. Muller).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 3. FNA vol. 3.
Parent taxa Fagaceae > Quercus > sect. Lobatae Fagaceae > Quercus > sect. Lobatae
Sibling taxa
Q. acerifolia, Q. agrifolia, Q. ajoensis, Q. alba, Q. arizonica, Q. arkansana, Q. austrina, Q. berberidifolia, Q. bicolor, Q. boyntonii, Q. buckleyi, Q. carmenensis, Q. chapmanii, Q. chihuahuensis, Q. chrysolepis, Q. coccinea, Q. cornelius-mulleri, Q. depressipes, Q. douglasii, Q. dumosa, Q. durata, Q. ellipsoidalis, Q. emoryi, Q. engelmannii, Q. falcata, Q. fusiformis, Q. gambelii, Q. garryana, Q. geminata, Q. georgiana, Q. graciliformis, Q. gravesii, Q. grisea, Q. havardii, Q. hemisphaerica, Q. hinckleyi, Q. hypoleucoides, Q. ilicifolia, Q. imbricaria, Q. incana, Q. inopina, Q. intricata, Q. john-tuckeri, Q. kelloggii, Q. laceyi, Q. laevis, Q. laurifolia, Q. lobata, Q. lyrata, Q. macrocarpa, Q. margarettae, Q. marilandica, Q. michauxii, Q. minima, Q. mohriana, Q. montana, Q. muehlenbergii, Q. myrtifolia, Q. nigra, Q. oblongifolia, Q. oglethorpensis, Q. pacifica, Q. palmeri, Q. palustris, Q. phellos, Q. polymorpha, Q. prinoides, Q. pumila, Q. pungens, Q. robur, Q. robusta, Q. rubra, Q. rugosa, Q. sadleriana, Q. shumardii, Q. similis, Q. sinuata, Q. stellata, Q. tardifolia, Q. texana, Q. tomentella, Q. toumeyi, Q. turbinella, Q. vacciniifolia, Q. vaseyana, Q. velutina, Q. viminea, Q. virginiana, Q. wislizenii
Q. acerifolia, Q. agrifolia, Q. ajoensis, Q. alba, Q. arizonica, Q. arkansana, Q. austrina, Q. berberidifolia, Q. bicolor, Q. boyntonii, Q. buckleyi, Q. carmenensis, Q. chapmanii, Q. chihuahuensis, Q. chrysolepis, Q. coccinea, Q. cornelius-mulleri, Q. depressipes, Q. douglasii, Q. dumosa, Q. durata, Q. ellipsoidalis, Q. engelmannii, Q. falcata, Q. fusiformis, Q. gambelii, Q. garryana, Q. geminata, Q. georgiana, Q. graciliformis, Q. gravesii, Q. grisea, Q. havardii, Q. hemisphaerica, Q. hinckleyi, Q. hypoleucoides, Q. ilicifolia, Q. imbricaria, Q. incana, Q. inopina, Q. intricata, Q. john-tuckeri, Q. kelloggii, Q. laceyi, Q. laevis, Q. laurifolia, Q. lobata, Q. lyrata, Q. macrocarpa, Q. margarettae, Q. marilandica, Q. michauxii, Q. minima, Q. mohriana, Q. montana, Q. muehlenbergii, Q. myrtifolia, Q. nigra, Q. oblongifolia, Q. oglethorpensis, Q. pacifica, Q. pagoda, Q. palmeri, Q. palustris, Q. phellos, Q. polymorpha, Q. prinoides, Q. pumila, Q. pungens, Q. robur, Q. robusta, Q. rubra, Q. rugosa, Q. sadleriana, Q. shumardii, Q. similis, Q. sinuata, Q. stellata, Q. tardifolia, Q. texana, Q. tomentella, Q. toumeyi, Q. turbinella, Q. vacciniifolia, Q. vaseyana, Q. velutina, Q. viminea, Q. virginiana, Q. wislizenii
Synonyms Q. falcata var. leucophylla, Q. falcata var. pagodifolia, Q. leucophylla, Q. pagodifolia Q. hastata
Name authority Rafinesque: Alsogr. Amer., 23. (1838) Torrey: in W. H. Emory, Not. Milit. Reconn., 151, plate 9. (1848)
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