Calothamnus quadrifidus

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

Overview

Interesting Facts

Common Names

Description

Family Myrtaceae

Trees or shrubs , evergreen , usually with essential oils-containing cavities in foliage , branchlets , and flowers. Stipules absent or small and caducous . Leaves opposite, occasionally alternate, occasionally ternate or pseudo-whorled; leaf blade with secondary veins pinnate or basal, often with intramarginal veins near margin , margin usually entire. Inflorescences axillary or terminal , cymose but variously arranged, 1- to many-flowered. Flowers bisexual , sometimes polygamous, actinomorphic . Hypanthium usually adnate to ovary and prolonged above it. Calyx lobes (3 or) 4 or 5 or more, distinct or connate into a calyptra. Petals 4 or 5, sometimes absent, distinct or connate into a calyptra, sometimes coherent and pseudocalyptrate. Stamens usually numerous , in 1 to several whorls; filaments distinct or connate into 5 bundles opposite petals; anthers 2-celled, dorsifixed or basifixed , dehiscing longitudinally or rarely terminally; connectives usually terminating in 1 or more apical glands . Ovary inferior, semi-inferior, or very rarely superior, carpels 2 to more, locules 1 to many, pseudoseptum sometimes present, placentation usually axile but occasionally parietal ; ovules 1 to several per locule. Style single; stigma single. Fruit a capsule, berry, drupaceous berry, or drupe, 1- to many-seeded. Seeds without endosperm or endosperm sparse and thin; testa cartilaginous or thinly membranous, sometimes absent; embryo straight or curved .

About 130 genera and 4500-5000 species: Mediterranean region, sub-Saharan Africa, Madagascar, tropical and temperate Asia, Australia, Pacific islands, tropical and South America; 10 genera (five introduced ) and 121 species (50 endemic, 32 introduced treated here) in China.

Many Myrtaceae are cultivated garden ornamentals , street trees, or plantation trees. Some members of tribe Syzygieae are grown as fruit crops. In addition to the cultivated members of the family treated here, some others grown in China include Acca sellowiana (O. Berg ) Burrett (Feijoa sellowiana (O. Berg) O. Berg), Myrtus communis Linnaeus, and Syncarpia glomulifera (Smith) Niedenzu.[1]

Physical Description

Habitat

Typically found at an altitude of 0 to 1,023 meters (0 to 3,356 feet).[2]

Biology

Reproduction

Duration: Perennial

Growth

Culture: Space 4-6' apart.

Soil: Minimum pH: 6.1 • Maximum pH: 7.8

Sunlight: Sun Exposure: Full Sun .

Moisture: Drought Tolerance: High

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

Taxonomy

Notes

Publishing author : R.Br. Publication : Curtis's Botanical Magazine 1812 (1 Nov. 1812)

Similar Species

Members of the genus Calothamnus

ZipcodeZoo has pages for 5 species, subspecies, varieties, forms, and cultivars in this genus:

C. gilesii (Giles Net Bush) · C. pinifolius (Dense Claw-Flower) · C. quadrifidus (Australian Net Bush) · C. validus (Barrens Claw Flower) · C. villosus (Silky Net-Bush)

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

• Leaflets of western botany. San Fransisco:[J. T. Howell], 1932-1966. url p. 10.
• Pollen / by M. Pakenham Edgeworth. London: Hardwicke & Bogue, 1877. url p. 48, p. 48.
• Proceedings of the Linnean Society of New South Wales. Sydney, Linnean Society of New South Wales. url p. 264, p. 265.
• Studies in ornamental trees and shrubs. By Harvey Monroe Hall. Berkeley, The University Press, 1910. url p. 37, p. 52.
• The Bradley bibliography; a guide to the literature of the woody plants of the world published before the beginning of the twentieth century; Cambridge, Riverside Press, 1911-18. url p. 621.
• The Garden: an illustrated weekly journal of gardening in all its branches. London: [s.n., url p. 618.
• The Gardeners' chronicle: a weekly illustrated journal of horticulture and allied subjects. London: [Gardeners Chronicle], 1874-1955. url p. 234, p. 338.
• The Journal of horticulture, cottage gardener and country gentlemen. London: George W. Johnson and Robert Hogg, 1861-1877. url p. 308, p. 308.
• The Victorian naturalist. [Melbourne]Field Naturalists Club of Victoria. url p. 110.
• The cultivated evergreens; a handbook of the coniferous and most important broad-leaved evergreens planted for ornament in the United States and Canada, edited by L. H. Bailey. London, Macmillan & co., ltd., 1923. url p. 380.
• The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States a Illustrated with colored plates, four thousand engravings in the text, and ninety-six full-page cuts. New York, Macmillan, 1919 [c1914] url p. 2702, p. 2703.
• Chang Hung-ta & Miau Ru-hwai. 1984. Myrtaceae. In: Chen Chieh, ed., Fl. Reipubl. Popularis Sin. 53(1): 28-135.

Notes

Contributors

• Brands, S.J. (comp.) 1989-present. The Taxonomicon. Universal Taxonomic Services, Zwaag, The Netherlands. Accessed January 10, 2012.

Data Sources

Accessed through GBIF Data Portal December 04, 2007:

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

Identifiers

• Biodiversity Heritage Library NamebankID: 3469922
• Catalogue of Life Accepted Name Code: Kew-31948
• Global Biodiversity Information Facility Taxonkey: 15639947
• Globally Unique Identifier: urn:lsid:ipni.org:names:591462-1
• GRIN Nomen Number: 8645
• International Plant Names Index (IPNI) ID: 138087-3
• U.S.D.A. Plant Symbol: CAQU10
• Zipcode Zoo Species Identifier: 27270

Footnotes

1. Jie Chen & Lyn A. Craven "Myrtaceae". in Flora of China Vol. 13 Page 321. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
2. Mean = 162.610 meters (533.497 feet), Standard Deviation = 152.610 based on 244 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]

©2004-2012 David Stang. All rights reserved.