Callitris canescens

• Interesting Facts
• Common Names
• Description
• Biology
• Taxonomy
• Similar Species
• More Info
• Further Reading
• Notes

Interesting Facts

Common Names

Description

Family Cupressaceae

Trees or shrubs evergreen , monoecious or dioecious. Leaves decussate or in whorls of 3, scalelike and then often dimorphic with flattened facial leaves and keeled lateral leaves, or needlelike particularly in juvenile plants , often with an abaxial resin gland . Pollen cones terminal or axillary , solitary, maturing and shed annually; microsporophylls 6-16, decussate or whorled , each bearing (2 or) 3-6(-9) pollen sacs ; pollen wingless. Seed cones usually terminal, solitary, globose , ovoid , or oblong , dehiscent or indehiscent when mature in 1st or 2nd(or 3rd) year; cone scales developing after ovules originate in bract axils; bracts almost completely enveloped by cone scales, free only at apex; ovules 1-numerous per bract axil, erect ; cone scales of mature cones 3-16, flat or peltate, woody, leathery, or succulent, 1-20-seeded. Seeds winged or not; wings derived from seed coat . Cotyledons usually 2, rarely 3-6. Germination epigeal.

Nineteen genera and ca. 125 species: worldwide; eight genera (one introduced ) and 46 species (16 endemic, 13 introduced) in China.[1]

Genus Callitris

Shrubs or trees evergreen . Branchlets angled or furrowed-cylindrical, variously oriented. Leaves in whorls of 3--5. Adult leaves scalelike, appressed , abaxial surface keeled or rounded , free portion to 1 mm, abaxial glands absent. Pollen cones solitary or in small clusters , with 4--15 whorls of sporophylls, each with 2--4 pollen sacs . Seed cones maturing in 1--2 years, of 1--2 sizes, often remaining unopened for many years, ovoid or globose , 1--3.5 cm; scales persistent , in 2 equally inserted whorls of 3(--4), valvate , rhombic-deltate, basifixed , thick and woody. Seeds 2--9 per scale, round or 3-angled, broadly 1--3-winged; cotyledons 2.

Species 16 (1 natura: North America, Australia, and New Caledonia.[2]

Physical Description

Habitat

Typically found at an altitude of 0 to 426 meters (0 to 1,398 feet).[3]

Biology

Growth

Culture: Space 8-10' apart.

Sunlight: Sun Exposure: Full Sun .

Moisture: Drought Tolerance: High

Temperature: Cold Hardiness: 9a, 9b, 10a, 10b, 11. (map)

Taxonomy

Synonyms

Callitris morrisonii R. T. Baker • Frenela canescens Parl.

Notes

Publishing author : S.T.Blake Publication : Proc. Roy. Soc. Queensland 70: 39 1959

Basionym author: (Parl.)

Similar Species

Members of the genus Callitris

ZipcodeZoo has pages for 12 species, subspecies, varieties, forms, and cultivars in this genus:

C. canescens (Scrubby Cypress Pine) · C. columellaris (White Cypress-Pine) · C. drummondii (Drummond's Cypress) · C. endlicheri (Black Cypress Pine) · C. macleayana (Stringybark Pine) · C. monticola (Steelhead) · C. muelleri (Illawara Pine) · C. oblonga (Pigmy Cypress-Pine) · C. preissii (Rottnest Islandpine) · C. rhomboidea (Oyster Bay Pine) · C. roei (Roe's Cypress Pine) · C. verrucosa (Scrub Cypress-Pine)

More Info

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• Search using Specialized Databases: GenBank | Medline | Scirus | CISTI/CAL | Agricola Periodicals | Agricola Books

Further Reading

• Dallimore, W. & Jackson, A. B. (1966a): A handbook of Coniferae and Ginkgoaceae, London: Edward Arnold
• Farjon, A. 2001. World Checklist and Bibliograpy of Conifers. 2nd edition. The Royal Botanic Gardens, Kew.
• Oldfield, S., Lusty, C. and MacKinven, A. (compilers). 1998. The World List of Threatened Trees. World Conservation Press, Cambridge, UK.
• Wang Wen-tsai, Cheng Wan-chün, Fu Li-kuo & Chu Cheng-de. 1978. Cupressaceae. In: Cheng Wan-chün & Fu Li-kuo, eds., Fl. Reipubl. Popularis Sin. 7: 313-398.
• Blake, S. T. 1959. New or noteworthy plants, chiefly from Queensland, l. Proc. Roy. Soc. Queensland. 70(6): 33--46.
• Garden, J. 1957. A revision of the genus Callitris Vent. Contr. New South Wales Natl. Herb. 2(5): 363--392.
• Thompson, J. and L. A. S. Johnson. 1986. Callitris glaucophylla, Australia's 'white cypress pine'---A new name for an old species. Telopea 2: 731--736.
• Thompson, J. 1961. Cupressaceae. Contr. New South Wales Natl. Herb., Fl. Ser. 1/18: 46--55.

Notes

Contributors

• Brands, S.J. (comp.) 1989-present. The Taxonomicon. Universal Taxonomic Services, Zwaag, The Netherlands. Accessed January 10, 2012.
• Conifer Specialist Group 1998. Callitris canescens. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloadedon 31January2012.
• IUCN 2012. IUCN Red List of Threatened Species. Version 2011.2. . Downloaded on January 28, 2012.

Data Sources

Accessed through GBIF Data Portal November 18, 2007:

• Australian National Herbarium
• , Australian National Herbarium
• Missouri Botanical Garden, Missouri Botanical Garden
• National Herbarium of New South Wales, NSW herbarium collection

Identifiers

• Biodiversity Heritage Library NamebankID: 3497131
• Catalogue of Life Accepted Name Code: Con-1683
• Global Biodiversity Information Facility Taxonkey: 13278150
• Globally Unique Identifier: urn:lsid:ipni.org:names:133451-3
• International Plant Names Index (IPNI) ID: 294850-1
• IUCN ID: 197126
• Zipcode Zoo Species Identifier: 723799

Footnotes

1. Liguo Fu, Yong-fu Yu, Robert P. Adams & Aljos Farjon "Cupressaceae". in Flora of China Vol. 4 Page 62. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
2. Richard P. Wunderlin "Callitris". in Flora of North America Vol. 2. Oxford University Press. Online at EFloras.org. [back]
3. Mean = 106.410 meters (349.114 feet), Standard Deviation = 630.430 based on 61 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]

©2004-2012 David Stang. All rights reserved.