Overview
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Vulnerable |
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Common Names
Common Names in English:
Willowmore Cedar
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]
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:
Pinopsida
()
- Order:
Pinales
()
- Family:
Cupressaceae
()
- Richard Ex Bartling, 1830, Nom. Cons.
- Cypress Family
- Genus:
Widdringtonia
()
- Specific epithet:
schwarzii
- (Marloth) Mast.
- Botanical name: - Widdringtonia schwarzii
- Specific epithet:
schwarzii
- (Marloth) Mast.
- Genus:
Widdringtonia
(
- Family:
Cupressaceae
(
- Order:
Pinales
(
- Class:
Pinopsida
(
- Infraphylum:
Radiatopses
(
- Subphylum:
Euphyllophytina
(
- Phylum:
Tracheophyta
(
- Subkingdom:
Viridaeplantae
(
- Kingdom:
Plantae
(
Unambiguous Synonyms
- Callitris schwarzii Marloth
Notes
Name Status: Accepted Name . Latest taxonomic scrutiny: Farjon A., 11-Jan-2006
Similar Species
Members of the genus Widdringtonia
ZipcodeZoo has pages for 8 species, subspecies, varieties, forms, and cultivars in this genus:
W. cedarbergensis (Clanwilliam Cedar) · W. cupressoides · W. dracomontana · W. ericoides · W. nodiflora (Mountain Cypress) · W. schwartzii · W. schwarzii (Willowmore Cedar) · W. whytei (Mlanje Cedar)
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
- Farjon, A. et al. 1998. Data collection forms for conifer species completed by the IUCN/SSC Conifer Specialist Group between 1996 and 1998.
- Farjon, A., Page, C.N. and Schellevis, N. 1993. A preliminary world list of threatened conifer taxa. Biodiversity and Conservation 2: 304-326.
- Hilton-Taylor, C. (compiler) 1998. Assessment of Southern African Trees for WCMC.
- Hilton-Taylor, C. 1996. Red Data List of southern African plants. Strelitzia 4. National Botanical Institute, Pretoria, South Africa.
- 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.
Notes
Contributors
- Bisby, F.A., Y.R. Roskov, M.A. Ruggiero, T.M. Orrell, L.E. Paglinawan, P.W. Brewer, N. Bailly, J. van Hertum, eds (2007). Species 2000 & ITIS Catalogue of Life: 2007 Annual Checklist. Species 2000: Reading, U.K.
- Conifer Database 2006.
- Hilton-Taylor, C. et al. 1998. In IUCN 2008. 2008 IUCN Red List of Threatened Species. IUCNRedList.org. Downloaded July 19, 2008.
- The International Plant Names Index. Accessed Jan 19, 2007.
Identifiers
- Biodiversity Heritage Library NamebankID: 5895993
- Catalogue of Life Accepted Name Code: Con-4003
- Global Biodiversity Information Facility Taxonkey: 14705846
- Globally Unique Identifier: urn:lsid:ipni.org:names:264039-1
- International Plant Names Index (IPNI) ID: 264039-1
- IUCN ID: 34147
- Zipcode Zoo Species Identifier: 902088
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]
