Hakea longifolia

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

Interesting Facts

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]

Taxonomy

Notes

Publishing author : A.Cunn. ex R.Br. Publication : Prot. Nov. 26

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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Further Reading

• The illustrated dictionary of gardening, a practical and scientific encyclopedia of horticulture for gardeners and botanists. Ed. by George Nicholson. Assisted by Professor J. W. H. Trail and J. Garrett. London: L. U. Gill, [1884]-89. url p. 109.

Notes

Contributors

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

Identifiers

• Biodiversity Heritage Library NamebankID: 10771275
• Global Biodiversity Information Facility Taxonkey: 15800666
• Globally Unique Identifier: urn:lsid:ipni.org:names:704247-1
• International Plant Names Index (IPNI) ID: 108464-3
• Zipcode Zoo Species Identifier: 1382995

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]

©2004-2012 David Stang. All rights reserved.