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Callitris glaucophylla Thompson & Johnson 1986
Common NamesWhite cypress pine (2), northern cypress pine.Taxonomic notes"This species is sometimes united with the eastern coastal Callitris columellaris F. Mueller under that name or distinguished at varietal rank (var. campestris Silba). The names C. glauca R. Brown ex R. T. Baker & H. G. Smith and C. hugelii (Carrière) Franco have been applied erroneously to it" (2). It hybridizes with the subspecies of C. preissii (3).DescriptionShrubs or trees to 30 m high, with a single trunk. Bark brown, rough and furrowed. Leaves in whorls of 3 (sometimes 4 or 5 when juvenile), usually glaucous (bluish grey), juvenile leaves 7-8 mm, mature leaves 1-3 mm long with apex broadly acute, dorsal surface not keeled. Pollen cones cylindric-oblong, 5-10 ⨰ 2-5 mm. Seed cones solitary, rarely remaining on the plant long after maturity; depressed-globose to ovoid, 1.2-2.5 cm diam., dark brown; peduncle 7-8 mm; scales thin, often with a very small dorsal point, indistinctly dentate along margin, separating almost to base when mature, alternate scales short and narrow, larger ones angled into a wide sharp apex, spreading widely at maturity, columella usually slender and <:5 mm long, occasionally to 7 mm long, sometimes thick and angled. Seeds 4-5 mm, chestnut brown (2, 3).RangeAustralia: all mainland States. "Widespread, found mostly on sandy soils, from isolated individuals to extensive forests, especially in inland districts" (3). Also, naturalized in USA: FL: Brevard, Indian River, Orange, and Seminole counties at 0-10 m elevation, where it occurs in sand pine scrub and thickets (2).Big TreeA specimen in Bradenton, Florida has a height of 18, a dbh of 146 cm, and a crown spread of 9 m (5). In southwest Australia it can reach 30 m tall (4).OldestDendrochronologyEthnobotany"The timber is termite-resistant and is used extensively in the building industry" (3).ObservationsRemarksCitations(1) Silba 1986.(2) Richard P. Wunderlin at the Flora of North America web page. (3) Harden 1990. (4) Vidakovic 1991. (5) American Forests 1996 See also: Bowman, D.M.J.S. and P.K. Latz. 1993. Ecology of Callitris glaucophylla (Cupressaceae) on the MacDonnell Ranges, Central Australia. Australian journal of botany 41(2):217. |
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