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From Wikipedia, the free encyclopedia

Yucca filamentosa
Y. filamentosa Adam's needle, in bloom
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
Order: Asparagales
Family: Agavaceae
Genus: Yucca
Species: Y. filamentosa
Binomial name
Yucca filamentosa
Yucca filamentosa, leaf margin detail

Yucca filamentosa, commonly known as Adam's needle, is a medicinal plant native to eastern North America.[1]

Usually trunkless Yucca filamentosa is a multisuckering plant with heads of 30 inch (75cm) long, filamentous, blue green strappy leaves. The plant is fully hardy. Yucca filamentosa is readily identified from other Yucca by white threads (filaments) on the leaf margins. See image [2]

Flower stems up to 10ft (3 m) tall bear masses of pendulous cream flowers, in early summer.[3]

In the wild, Y. filamentosa is native to the southeastern United States, as far west as Louisiana and as far north as Virginia. However, it is widely cultivated and can be found naturalized outside its native range.[3]

Y. filamentosa is closely related to Yucca flaccida and it is possible they should in fact be classified as a single species.[3]



  • Bright Edge is a dwarf cultivar with yellow-edged foliage and creamy flowers tinged with green.
  • Golden Sword is similar to Bright Edge but larger.
  • Ivory Tower has creamy white flowers tinged with green.
  • Color Guard has broad yellow stripes all year, plus red stripes in the Winter.


The leaves, stems and roots of this plant can be used as a fish stunner.[4]


  1. ^ Flora, The Gardeners' Bible, ABC Publishing, Sydney, 2005
  2. ^ The Gardeners' Encyclopaedia of Plants & Flowers, Readers' Digest, Sydney, 1999
  3. ^ a b c "Yucca filamentosa". Flora of North America.  
  4. ^ Duffy, Kevin (2004). Harvesting Nature's Bounty, Second Edition. City: Bookman Pub. ISBN 159453294X.  

External links



Up to date as of January 23, 2010

From Wikispecies

Yucca filamentosa


Classification System: APG II (down to family level)

Main Page
Cladus: Eukaryota
Regnum: Plantae
Cladus: Angiospermae
Cladus: Monocots
Ordo: Asparagales
Familia: Agavaceae
Genus: Yucca
Sectio: Y. sect. Chaenocarpa
Serie: Y. ser. Filamentosae
Species: Yucca filamentosa


Yucca filamentosa L., 1953.


  • Yucca filamentosa f. genuina Engelm., Trans. Acad. Sci. St. Louis 3: 51. 1873, nom. inval.
  • Yucca filamentosa var. bracteata Engelm., Trans. Acad. Sci. St. Louis 3: 52 (1873).
  • Yucca filamentosa var. elmensis Sprenger, Boll. Reale Soc. Tosc. Ortic. 1906: 132 (1906).
  • Yucca filamentosa var. laevigata Engelm., Trans. Acad. Sci. St. Louis 3: 52 (1873).
  • Yucca filamentosa var. maxima Baker in W.W.Saunders, Refug. Bot. 5: t. 325 (1873).
  • Yucca filamentosa var. media Carrière, Rev. Hort. 1860: 213 (1860).
  • Yucca filamentosa var. mexicana S.Schauer, Linnaea 19: 703 (1847).
  • Yucca filamentosa var. nobilis Sprenger, Boll. Reale Soc. Tosc. Ortic. 1906: 132 (1906).
  • Yucca filamentosa var. patens Carrière, Rev. Hort. 1860: 216 (1860).
  • Yucca filamentosa var. recurvifolia Alph.Wood, Class-book Bot.: 709 (1861).
  • Yucca filamentosa var. variegata Carrière, Rev. Hort. 1860: 215 (1860).
  • Yucca glauca Nois. ex Sims, Bot. Mag. 53: t. 2662. 1826, nom illeg. non Nutt. (1813).


Vernacular names

Svenska: Fiberpalmlilja


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