Quercus chapmanii |
Quercus durata |
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Chapman oak, Chapman's oak |
leather oak |
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Habit | Shrubs, deciduous or subevergreen, 0.5-3(-6) m, often rhizomatous. | Shrubs, evergreen, 1-2(-3) m. Bark scaly. | ||||
Bark | brown, scaly. |
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Twigs | yellowish, 1-2 mm diam., densely fine-tomentulose. |
gray or yellowish, 1-3 mm diam., densely or sparsely tomentulose, often with prominent, yellowish, spreading hairs. |
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Buds | reddish brown, globose, 1-2(-3) mm, proximal scales densely tomentulose, distal scales glabrous. |
brown or reddish brown, ovoid or globose, 1-2 mm, glabrous or puberulent. |
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Leaves | blade obovate or oblanceolate, 30-70(-85) × 14-30(-45) mm, base cuneate or attenuate, margins minutely revolute, entire or sinuately lobed, sometimes obscurely 3-lobed distally or with 3-5 rounded, irregular lobes in distal 1/2, secondary veins curved, 8-9 on each side, apex ovate or triangular-lobed, often retuse; surfaces abaxially grayish or yellowish, with yellowish, erect branched hairs, these soon shed, leaving matted glandular and waxy hairs except on ± glabrate yellowish veins, adaxially bright glossy, very reflective, glabrous or with minute, scattered, stellate hairs. |
blade cupped or convex, rarely somewhat planar, (10-)15-40 × 7-15(-20) mm, base cuneate, rounded-attenuate, or truncate, margins entire or irregularly toothed, sometimes spinose, usually unevenly revolute, secondary veins 4-6 on each side, apex rounded or subacute; surfaces abaxially densely to sparsely covered with erect, stipitate, (1-)2-4(-6)-rayed hairs 1-4 mm, felty to touch, secondary veins prominent, adaxially grayish or yellowish, with dense or scattered, semi-erect or appressed hairs, secondary veins obscure or somewhat impressed. |
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Acorns | 1-2, on peduncle 1-6(-35) mm; cup hemispheric, 5-11 m deep × 10-15 mm wide, including 1/3-1/2 nut, scales closely appressed, gray, tomentulose; nut light brown, ovoid to barrel-shaped, 15-20 × 9-13 mm, apex rounded, glabrous or puberulent. |
solitary or paired, subsessile; cup reddish, hemispheric, deeply cup-shaped or turbinate, 4-6 mm deep × 12-18 mm wide, enclosing to 1/2 nut or more, scales reddish or yellowish, weakly to strongly tuberculate, often somewhat glandular; nut globose, ovoid or cylindric, 15-25 × 10-25 mm, apex rounded or obtuse, persistently minute-puberulent. |
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Cotyledons | distinct. |
distinct. |
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Quercus chapmanii |
Quercus durata |
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Phenology | Flowering late winter–early spring. | |||||
Habitat | Open pine forests, scrublands, xerophytic scrub oak, on sand near coast | |||||
Elevation | 0-100 m (0-300 ft) | |||||
Distribution |
FL; GA; SC
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CA
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Discussion | Chaparral, oak woodlands, open pine forests, on serpentine and nonserpentine soils; 150-1500 m. Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 3. | FNA vol. 3. | ||||
Parent taxa | Fagaceae > Quercus > sect. Quercus | Fagaceae > Quercus > sect. Quercus | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | Q. dumosa var. bullata, Q. dumosa var. revoluta | |||||
Name authority | Sargent: Gard. & Forest 8: 93. (1895) | Jepson: Fl. Calif. 1(2): 356. (1909) | ||||
Web links |