Hesperocyparis macnabiana(synonym of Cupressus macnabiana) |
Cupressaceae |
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MacNab cypress |
cypress family |
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Habit | Trees to 10 m; crown broadly conical. | Trees or shrubs evergreen, monoecious (but usually dioecious in Juniperus). |
Bark | smooth to fibrous and furrowed. |
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Leaves | ovate, approximately 1.5 mm long, dark green, occasionally glaucous, with conspicuous pit-like abaxial gland; resin copious and sticky, sometimes glaucous. |
needlelike; awl-like, or scale-like; simple, alternate or opposite, 2- or 4-ranked or in whorls of 3. |
Pollen cones | 15–25 mm long. |
maturing annually; solitary; terminal. |
Seeds | 2–5 mm; light to medium brown; wing less than width of the body. |
1–many per scale, not winged. |
Trunks | to 1 m in diameter; bark rough, furrowed, fibrous; branchlets comb-like; to 1 mm in diameter. |
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Seed cones | globose, 1.5–2.5 cm long, brown to gray, not glaucous; scales 6–8; umbos present, 2–4 mm long. |
woody or berry-like; terminal, scales of woody cones imbricate or peltate. |
Hesperocyparis macnabiana |
Cupressaceae |
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Distribution | ||
Discussion | Lower elevation woodland, often on serpentine substrates. 300–1400 m. Sisk. CA. Native. While long rumored to occur in Oregon, it was not until 2010 that botanist Frank Callahan located and documented this species in a remote area of Jackson County. |
Temperate regions worldwide. Approximately 25 genera; 7 genera treated in Flora. Although some authorities segregate Taxodiaceae from Cupressaceae, most current researchers unite the families. Among the conifers, Cupressaceae has the widest distribution, occurring on all continents except Antarctica. |
Source | Flora of Oregon, volume 1, page 111 Stephen Meyers |
Flora of Oregon, volume 1, page 108 |
Sibling taxa | ||
Synonyms | Callitropsis macnabiana, Cupressus macnabiana | |
Web links |
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