Difference between revisions of "Adiantum formosum"

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|common_name=Australian maidenhair, Black stem, Giant maidenhair, Plumed maidenhair
 
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'''''Adiantum formosum''''', known as the '''Giant Maidenhair''' or '''Black Stem Maidenhair''' is a [[fern]] found in [[Australia]] and [[New Zealand]]. It was one of the many species authored by Scottish botanist [[Robert Brown (botanist)|Robert Brown]], appearing in his 1810 work ''[[Prodromus Florae Novae Hollandiae et Insulae Van Diemen]]''.<ref name=apni>{{APNI | name =Adiantum formosum R.Br. | id = 22194}}</ref> Its species name is the [[Latin]] adjective ''formosus'' "handsome" or "beautiful".<ref name=enc>{{cite book |author=Eliot RW, Jones DL, Blake T |title=Encyclopaedia of Australian Plants Suitable for Cultivation: Vol. 2|year=1985|pages=158–59 |publisher=Lothian Press |location=Port Melbourne |isbn=0-85091-143-5}}</ref>
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''Adiantum formosum'' is an attractive plant, with fronds up to 120 cm (48 in) high.<ref name=plantnet>{{cite web |title=''Adiantum formosum''|work= PlantNET - NSW Flora Online|url=http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Adiantum~formosum|accessdate=2010-07-20}}</ref> The rhizome of this species is unusually deep, up to 60 cm (24 in) below into the earth. The stems are black and can reach 90 cm (36 in) in length, while the fronds or blades are triangular with rectangular segments. The last segment of the frond is irregular and asymmetrical, on a short stem. This ''maidenhair'' fern can grow to 2 metres (7 ft) tall.<ref>Cundall. P., (2008) Native Plants:The definitive guide to Australian plants, Global Book Publishing Lane Cove, N.S.W, page 278, ISBN 978 174048 027 7</ref> The smallest segments of the fronds are the pinnules, which are wedge-shaped, rectangular or trapezoid. They have 1–10 sori along the margins underneath.<ref>{{cite web |title=''Adiantum formosum''|work= Flora of Australia Online|url=http://www.anbg.gov.au/abrs/online-resources/flora/stddisplay.xsql?pnid=4556}}</ref>
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''Adiantum formosum'' is found in Queensland, and New South Wales, and into Victoria, where it is less common. It also occurs in New Zealand. It is often seen growing in moist areas or along streams usually on alluvial soils,  ''Adiantum formosum'' is generally found in [[rainforest]] or in nearby open [[eucalyptus]] forest, where it may form a large colony.<ref name=plantnet/>
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Easy to grow in cultivation, ''Adiantum formosum'' makes a good subject for container gardening. It appears to go dormant in cooler months and grow rapidly during the summer.<ref name=enc/> A smaller, variegated form is commercially available and cultivated.
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This is a species of [[Maidenhair fern]].
 
  
 
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Need shade, steady moisture.  Grow in rich organic matter.
 
  
 
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==References==
 
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<!--- xxxxx  *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381  -->
 
<!--- xxxxx  *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381  -->
 
<!--- xxxxx  *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432  -->
 
<!--- xxxxx  *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432  -->
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<!--- xxxxx  *Sunset National Garden Book. Sunset Books, Inc., 1997. ISBN 0376038608  -->
  
 
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Revision as of 19:21, 12 November 2010


a young Maidenhair Fern


Plant Characteristics
Habit   fern

Height: ⇕ 9 in"in" can not be assigned to a declared number type with value 9. to 48 in"in" can not be assigned to a declared number type with value 48.
Width: ⇔ 9 in"in" can not be assigned to a declared number type with value 9. to 48 in"in" can not be assigned to a declared number type with value 48.
Lifespan: ⌛ perennial
Cultivation
Exposure: ☼ part-sun, shade
USDA Zones: 9 to 11
Scientific Names

Adiantaceae >

Adiantum >

formosum >


Adiantum formosum, known as the Giant Maidenhair or Black Stem Maidenhair is a fern found in Australia and New Zealand. It was one of the many species authored by Scottish botanist Robert Brown, appearing in his 1810 work Prodromus Florae Novae Hollandiae et Insulae Van Diemen.[1] Its species name is the Latin adjective formosus "handsome" or "beautiful".[2]

Adiantum formosum is an attractive plant, with fronds up to 120 cm (48 in) high.[3] The rhizome of this species is unusually deep, up to 60 cm (24 in) below into the earth. The stems are black and can reach 90 cm (36 in) in length, while the fronds or blades are triangular with rectangular segments. The last segment of the frond is irregular and asymmetrical, on a short stem. This maidenhair fern can grow to 2 metres (7 ft) tall.[4] The smallest segments of the fronds are the pinnules, which are wedge-shaped, rectangular or trapezoid. They have 1–10 sori along the margins underneath.[5]

Adiantum formosum is found in Queensland, and New South Wales, and into Victoria, where it is less common. It also occurs in New Zealand. It is often seen growing in moist areas or along streams usually on alluvial soils, Adiantum formosum is generally found in rainforest or in nearby open eucalyptus forest, where it may form a large colony.[3]

Easy to grow in cultivation, Adiantum formosum makes a good subject for container gardening. It appears to go dormant in cooler months and grow rapidly during the summer.[2] A smaller, variegated form is commercially available and cultivated.


Read about Adiantum formosum in the Standard Cyclopedia of Horticulture 

Adiantum formosum, R. Br. Lvs. 1-2 ft. long, two-thirds as broad, mostly tripinnate, with rough, scabrous stalks and rather small, deeply lobed lfts. 1/2-3/4 in. long, with rounded and toothed outer margins. Austral. G. 20:769. Adiantum pulverulentum, Linn. Lvs. often a foot long, with a large terminal pinna and several lateral ones, bipinnate; stalks purplish, hairy, as are also the rachises; lfts. 3/4-l in. long, 1/4in. wide, closely placed, the outer edge rounded or truncate. W. Indies.


The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.


Cultivation

Propagation

Pests and diseases

Varieties

Gallery

  • Adiantum formosum.jpg

  • photo 1

  • photo 2

  • photo 3

References

  1. ↑ Template:APNI
  2. ↑ 2.0 2.1 Eliot RW, Jones DL, Blake T (1985). Encyclopaedia of Australian Plants Suitable for Cultivation: Vol. 2. Port Melbourne: Lothian Press. pp. 158–59. ISBN 0-85091-143-5. 
  3. ↑ 3.0 3.1 "Adiantum formosum". PlantNET - NSW Flora Online. Retrieved on 2010-07-20.
  4. ↑ Cundall. P., (2008) Native Plants:The definitive guide to Australian plants, Global Book Publishing Lane Cove, N.S.W, page 278, ISBN 978 174048 027 7
  5. ↑ "Adiantum formosum". Flora of Australia Online.

External links


Retrieved from "http://gardenology.mywikis.net/w/index.php?title=Adiantum_formosum&oldid=132041"