Quercus arizonica |
Quercus sadleriana |
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deer oak |
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Habit | Shrubs deciduous, 1–2 m, colonial; bark usually smooth, pale to medium gray; twigs glabrous or with few, scattered hairs. | |
Buds | broadly ovoid, gray-pubescent; tips rounded; terminal buds 5–7 mm. |
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Leaves | elliptic to obovate, 7.3–13.2 × 3.9–6.7 cm, bases rounded or obtuse; margins toothed, not lobed; teeth acuminate or rounded and mucronate; secondary veins usually 9–15 on each side; tips obtuse; surfaces abaxially glaucous, with small, appressed, stellate hairs when young, becoming glabrescent, adaxially glabrous; petioles 12–16 mm. |
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Fruits | ripening 1st year; nuts ovoid, 13–22 × 7–13 mm; tips rounded; cups cup-shaped or conical; thin, 6–13 × 14–22 mm, covering ~½ of nuts; scales appressed, attachment scars 4–5 mm wide. |
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Quercus arizonica |
Quercus sadleriana |
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Distribution | ||
Discussion | Rocky openings in conifer forests, ridges, slopes. Flowering Apr–Jun. 1000–2000 m. CR, Sisk. CA. Native. This species is endemic to the Klamath region of southwestern Oregon and adjacent California. It is known to hybridize with Q. garryana var. breweri at a few sites where the two oaks grow together. Leaves of the hybrids are lobed for 20–30% of their width, with 6–7 shallow obtuse lobes on each side. |
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Source | Flora of Oregon, volume 2, page 751 Alan Whittemore |
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Sibling taxa | ||
Web links |