Interesting Facts
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]
Taxonomy
- Domain:
Eukaryota
(
)
- Whittaker & Margulis,1978
- eukaryotes
- Kingdom:
Plantae
()
- Haeckel, 1866
- Plants
- Subkingdom:
Viridaeplantae
()
- Cavalier-Smith, 1981
- Phylum:
Tracheophyta
()
- Sinnott, 1935 ex Cavalier-Smith, 1998
- Vascular Plants
- Subphylum:
Euphyllophytina
()
- Infraphylum:
Radiatopses
()
- Kenrick & Crane, 1997
- Class:
Spermatopsida
()
- Burnett
- Order:
Cupressales
()
- Family:
Cupressaceae
()
- Richard ex Bartling, 1830, nom. cons.
- Cypress Family
- Genus:
Callitris
()
- Ventenat, 1808
- Cypress-pine [Greek callos, beautiful, and treis, three, referring to the beauty of the plants and the three-whorled leaves and cone scales]
- Specific epithet:
preissii
- (J.Gard.) Silba
- Variety:
murrayensis
- Botanical name: - Callitris preissii var. murrayensis (J.Gard.) Silba
- Variety:
murrayensis
- Specific epithet:
preissii
- (J.Gard.) Silba
- Genus:
Callitris
(
- Family:
Cupressaceae
(
- Order:
Cupressales
(
- Class:
Spermatopsida
(
- Infraphylum:
Radiatopses
(
- Subphylum:
Euphyllophytina
(
- Phylum:
Tracheophyta
(
- Subkingdom:
Viridaeplantae
(
- Kingdom:
Plantae
(
Notes
Publishing author
: Silba Publication
: Phytologia Mem. 7: 17 (1984):
1984 .
Basionym
: Cupressaceae Callitris preissii subsp.
murrayensis
Basionym author: (J.Gard.)
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
- Search for Pictures: images.google.com
- Search for Scholarly Articles: Google Scholar
- Search using Scientific Name and Vernacular Names: All the Web | AltaVista Canada | AltaVista | Excite | Google | HotBot | Lycos
- Search using Specialized Databases: GenBank | Medline | Scirus | CISTI/CAL | Agricola Periodicals | Agricola Books
Further Reading
- 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.
Identifiers
- Zipcode Zoo Species Identifier: 4593431
Footnotes
- 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]
- Richard P. Wunderlin "Callitris". in Flora of North America Vol. 2. Oxford University Press. Online at EFloras.org. [back]
