Hakea nodosa

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

Interesting Facts

Common Names

Description

Family Proteaceae

Trees or shrubs . Stipules absent. Leaves alternate, rarely opposite or whorled , simple or variously divided . Inflorescences axillary , ramiflorous , cauliflorous , or terminal , simple or rarely compound , with flowers borne laterally either in pairs or sometimes singly, racemose, sometimes spicate , paniculate , or condensed into a head ; bracts subtending flower pairs usually small, sometimes accrescent and woody; floral bracts usually minute or absent. Flowers bisexual or rarely unisexual and dioecious, actinomorphic or zygomorphic. Perianth segments (3 or) 4(or 5), valvate , usually tubular in bud; limb short, variously split at anthesis . Stamens 4, opposite perianth segments; filaments usually adnate to perianth and not distinct ; anthers basifixed , usually 2-loculed, longitudinally dehiscent , connective often prolonged. Hypogynous glands 4 (or 1-3 or absent), free or variously connate . Ovary superior, 1-loculed, sessile or stipitate ; ovules 1 or 2(or more), pendulous, laterally or basally, rarely subapically attached. Style terminal, simple, often apically clavate ; stigma terminal or lateral , mostly small. Fruit a follicle, achene, or drupe or drupaceous . Seeds 1 or 2(or few to many), sometimes winged ; endosperm absent (or vestigial) ; embryo usually straight; cotyledons thin or thick and fleshy ; radicle short, inferior.

About 80 genera and ca. 1700 species: mostly in tropics and subtropics, especially in S Africa and Australia: three genera (one introduced ) and 25 species (12 endemic, two introduced) in China.

The family is subdivided into Bellendenoideae, Caranarvonioideae, Eidotheoideae, Grevilleoideae, Persoonioideae, Proteoideae, and Sphalmioideae; all Chinese genera belong to Grevilleoideae. Grevillea robusta is grown extensively as a street tree in S China, especially in Yunnan.[1]

Physical Description

Habitat

Typically found in the intertidal zone at the water's edge at a mean distance from sea level of 64 meters (209 feet).[2]

Biome: Coastal.

Biology

Growth

Sunlight: Sun Exposure: Sun to Partial Shade.

Taxonomy

Notes

Publishing author : R.Br. Publication : Trans. Linn. Soc. x . (1810) 179.

An accepted name in the RHS Horticultural Database.

Similar Species

Members of the genus Hakea

ZipcodeZoo has pages for 19 species, subspecies, varieties, forms, and cultivars in this genus:

H. cucullata (Scallop Hakea) · H. cycloptera (Elm-Seed Hakea) · H. dactyloides (Finger Hakea) · H. decurrens (Hakea) · H. drupacea (Sweet Scented Pincushion Tree) · H. epiglottis (White Hakea) · H. eriantha (Tree Hakea) · H. flabellifolia (Wedge-Leaf Hakea) · H. laurina (Pincushion Hakea) · H. lissosperma (Hakea) · H. microcarpa (Small-Fruited Hakea) · H. nodosa (Yellow Hakea) · H. petiolaris (Sea Urchin Hakea) · H. purpurea (Hakea) · H. rostrata (Beaked Pincushion Tree) · H. salicifolia (Willow-Leaved Hakea) · H. sericea (Bushy Needlebush) · H. ulicina (Furze Hakea) · H. victoriae (Royal Hakea)

More Info

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

Further Reading

• Introduction to botanic teachings at the schools of Victoria, through references to leading native plants / by Baron Ferd. von Mueller. Melbourne: John Ferres, Govt. Printer, 1877. url p. 54.
• Papers and proceedings of the Royal Society of Tasmania. Hobart, Tasmania, The Society. url p. 12, p. 16.
• Pollen / by M. Pakenham Edgeworth. London: Hardwicke & Bogue, 1877. url p. 22, p. 22.
• Proceedings of the Linnean Society of New South Wales. Sydney, Linnean Society of New South Wales. url p. 30.
• The Victorian naturalist. [Melbourne]Field Naturalists Club of Victoria. url , p. 101, p. 102, p. 109, p. 122, p. 126, p. 129, p. 135, p. 153, p. 155, p. 165, p. 165, p. 168, p. 17, p. 189, p. 2, p. 212, p. 218, p. 48, p. 48, p. 61, p. 84, p. 92.
• Transactions and proceedings of the Botanical Society of Edinburgh. [Edinburgh]: The Society, 1891-1970. url p. 366, p. 366.

Notes

Contributors

• Brands, S.J. (comp.) 1989-present. The Taxonomicon. Universal Taxonomic Services, Zwaag, The Netherlands. Accessed January 11, 2012.

Data Sources

Accessed through GBIF Data Portal December 05, 2007:

• Australian National Herbarium
• , Australian National Herbarium

Identifiers

• Biodiversity Heritage Library NamebankID: 5837830
• Global Biodiversity Information Facility Taxonkey: 13982435
• Globally Unique Identifier: urn:lsid:ipni.org:names:704273-1
• International Plant Names Index (IPNI) ID: 131725-3
• Zipcode Zoo Species Identifier: 743292

Footnotes

1. Huaxing Qiu & Peter H. Weston "Proteaceae". in Flora of China Vol. 5 Page 192. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
2. Standard Deviation = 97.160 based on 29 observations. Terrestrial altitude and ocean depth information for each observation from British Oceanographic Data Centre. [back]

©2004-2012 David Stang. All rights reserved.