Difference between revisions of "Banksia serrata"

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|genus=Banksia  
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|familia=Proteaceae
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|species=serrata
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|taxo_author=L.f.
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|common_name=Old Man Banksia, Saw Banksia, Saw-tooth Banksia, Red Honeysuckle
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|name_ref=Wikipedia
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|habit=tree
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|habit_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
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|Max ht box=50
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|Max ht metric=ft
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|height_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
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|width_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
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|origin=Australia
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|origin_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
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|lifespan=perennial
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|life_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
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|exposure=sun
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|sun_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
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|water=moderate, dry
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|water_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
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|features=flowers, foliage, cut flowers
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|flower_season=early summer, mid summer, late summer, early fall, mid fall, late fall, early winter, mid winter, late winter
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|flower_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
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|flowers=white
 
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|usda_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
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'''''Banksia serrata''''', commonly known as '''Old Man Banksia''', '''Saw Banksia''', '''Saw-tooth Banksia''' and '''Red Honeysuckle''', is a species of woody [[shrub]] or tree of the genus ''[[Banksia]]'' in the [[Proteaceae]] family. Native the east coast of [[Australia]]. Commonly growing as a gnarled tree up to 15 m (50 ft) in height, it can be much smaller in more exposed areas. The banksia has serrated, dark green leaves and large, yellow or greyish-yellow flower spikes.
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Banksia serrata, Linn. Tree, 10-20 ft., the young branches tomentose: Lvs. oblong-lanceolate, 3-6 in. long, coriaceous and deeply and regularly serrate: fls. similar to the preceding, but red. B.R. 1316 (as B. undulata). Cav. Ic. 539, 540.—Almost perfectly hardy in Cent. Fla.
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''Banksia serrata'' usually grows as a gnarled and misshapen tree up to 15 m (50 ft) tall, although in some coastal habitats it grows as a shrub of 1-3 m (3-10 ft), and on exposed coastal cliffs it has even been recorded as a prostrate shrub. As a tree, it usually has a single, stout trunk with the rough grey bark characteristic of ''Banksia''. The fire-retardant bark itself can be up to 6 cm  (2.4 in) thick and is cork-like in texture. Trunks are often black from past [[bushfire]]s, and ooze a red sap when injured.  The leaves a dark glossy green above and light green below, eight to twenty centimetres long, and two to four centimetres wide. Except near the base of the leaf, the margins are serrated with lobes between one and three millimetres deep. Leaves occur crowded together at the upper end of branches, giving the canopy a thin, sparse appearance.  The flowers are a silvery grey colour, with cream or golden [[carpel|styles]], and occur in ''Banksia'''s distinctive cylindrical flower spikes. "Cones" may have up to 30 follicles, and usually appear hairy due to the retention of old withered flower parts. This tree also possesses a [[lignotuber]], which is an underground structure that stores energy that the plant can use to regenerate after severe bushfire. The species is not to be confused with ''[[Banksia aemula|B. aemula]]'', which has slightly smaller anthers.
  
 
==Cultivation==
 
==Cultivation==
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In cultivation, though relatively resistant to '[[Phytophthora cinnamomi|dieback]]', it does require a well drained soil, preferably fairly sandy and a sunny aspect. Summer watering is also helpful. Note that the plant may take several years to flower. It is often used in amenities plantings in streets, parks and public gardens in areas to which it is native.
  
 
===Propagation===
 
===Propagation===
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==Varieties==
 
==Varieties==
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*[[Banksia 'Pygmy Possum'|''Banksia'' 'Pygmy Possum']] - originally propagated by Austraflora Nursery, this is a prostrate form originally from [[Green Cape]] area on the NSW far south coast. Similar plants are now seen in nurseries called simply ''B. serrata'' (Prostrate) collected from the same area. This plant is suitable for rockeries and small gardens.<ref>{{cite book |last=Stewart |first=Angus |authorlink= Angus Stewart|title=Gardening on the Wild Side |year=2001 |publisher=ABC Books |location=Sydney |isbn=0-7333-0791-4|page=102}}</ref> 
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*[[Banksia 'Superman'|''Banksia'' 'Superman']] - selection from large flowered (spikes to 27&nbsp;cm high) and large leaved population from [[Scotts Head]] on NSW mid north coast. As yet, not in commercial cultivation, though is registered with [[ACRA]].
  
 
==Gallery==
 
==Gallery==

Latest revision as of 18:34, 24 April 2011


Saw Banksia flowers cropped.jpg


Plant Characteristics
Habit   tree

Height: ⇕ 50 ft"ft" can not be assigned to a declared number type with value 50.
Width: ⇔ 5 ft"ft" can not be assigned to a declared number type with value 5. to 10 ft"ft" can not be assigned to a declared number type with value 10.
Lifespan: ⌛ perennial
Origin: ✈ Australia
Bloom: ❀ early summer, mid summer, late summer, early fall, mid fall, late fall, early winter, mid winter, late winter
Cultivation
Exposure: ☼ sun
Water: ◍ moderate, dry
Features: ✓ flowers, foliage, cut flowers
USDA Zones: 9 to 10.5
Flower features: ❀ white
Scientific Names

Proteaceae >

Banksia >

serrata >

L.f. >


Banksia serrata, commonly known as Old Man Banksia, Saw Banksia, Saw-tooth Banksia and Red Honeysuckle, is a species of woody shrub or tree of the genus Banksia in the Proteaceae family. Native the east coast of Australia. Commonly growing as a gnarled tree up to 15 m (50 ft) in height, it can be much smaller in more exposed areas. The banksia has serrated, dark green leaves and large, yellow or greyish-yellow flower spikes.

Banksia serrata usually grows as a gnarled and misshapen tree up to 15 m (50 ft) tall, although in some coastal habitats it grows as a shrub of 1-3 m (3-10 ft), and on exposed coastal cliffs it has even been recorded as a prostrate shrub. As a tree, it usually has a single, stout trunk with the rough grey bark characteristic of Banksia. The fire-retardant bark itself can be up to 6 cm (2.4 in) thick and is cork-like in texture. Trunks are often black from past bushfires, and ooze a red sap when injured. The leaves a dark glossy green above and light green below, eight to twenty centimetres long, and two to four centimetres wide. Except near the base of the leaf, the margins are serrated with lobes between one and three millimetres deep. Leaves occur crowded together at the upper end of branches, giving the canopy a thin, sparse appearance. The flowers are a silvery grey colour, with cream or golden styles, and occur in Banksia's distinctive cylindrical flower spikes. "Cones" may have up to 30 follicles, and usually appear hairy due to the retention of old withered flower parts. This tree also possesses a lignotuber, which is an underground structure that stores energy that the plant can use to regenerate after severe bushfire. The species is not to be confused with B. aemula, which has slightly smaller anthers.

Cultivation

In cultivation, though relatively resistant to 'dieback', it does require a well drained soil, preferably fairly sandy and a sunny aspect. Summer watering is also helpful. Note that the plant may take several years to flower. It is often used in amenities plantings in streets, parks and public gardens in areas to which it is native.

Propagation

Pests and diseases

Varieties

  • Banksia 'Pygmy Possum' - originally propagated by Austraflora Nursery, this is a prostrate form originally from Green Cape area on the NSW far south coast. Similar plants are now seen in nurseries called simply B. serrata (Prostrate) collected from the same area. This plant is suitable for rockeries and small gardens.[1]
  • Banksia 'Superman' - selection from large flowered (spikes to 27 cm high) and large leaved population from Scotts Head on NSW mid north coast. As yet, not in commercial cultivation, though is registered with ACRA.

Gallery

  • photo 1

  • photo 2

  • photo 3

References

  1. ↑ Stewart, Angus (2001). Gardening on the Wild Side. Sydney: ABC Books. p. 102. ISBN 0-7333-0791-4. 

External links


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