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Yucca filamentosa L.
ADAMS-NEEDLE
Adams needle; Yucca; Needle-Palm; Silkgrass

Life   Plantae   Monocotyledoneae   Agavaceae   Yucca

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Yucca filamentosa
© Copyright Sheryl Pollock 2011 · 7
Yucca filamentosa
Yucca filamentosa, Adams Needle, GFG, Howard County, Md, Helen Lowe Metzman
© Copyright source/photographer · 7
Yucca filamentosa, Adams Needle, GFG, Howard County, Md, Helen Lowe Metzman

Yucca filamentosa, Adams Needle, GFG, Howard County, Md, Helen Lowe Metzman
© Copyright source/photographer · 7
Yucca filamentosa, Adams Needle, GFG, Howard County, Md, Helen Lowe Metzman
Yucca filamentosa
© Copyright Jeremy Anderson 2012 · 5
Yucca filamentosa

Yucca filamentosa
© Copyright Jeremy Anderson 2012 · 5
Yucca filamentosa
Yucca filamentosa
© Copyright Jeremy Anderson 2012 · 5
Yucca filamentosa

Yucca filamentosa
© Copyright Jeremy Anderson 2012 · 5
Yucca filamentosa
Yucca filamentosa
© Copyright Jeremy Anderson 2012 · 5
Yucca filamentosa

Yucca filamentosa
© Copyright Bobby Hattaway 2011 · 5
Yucca filamentosa
Yucca filamentosa
© Copyright Bobby Hattaway 2011 · 5
Yucca filamentosa

Yucca filamentosa
© Copyright Bobby Hattaway 2011 · 5
Yucca filamentosa
Yucca filamentosa
© Copyright Bobby Hattaway 2011 · 5
Yucca filamentosa

Yucca filamentosa
© Copyright Bobby Hattaway 2011 · 5
Yucca filamentosa
Yucca filamentosa
© Copyright Bobby Hattaway 2011 · 5
Yucca filamentosa

Associates · map
FamilyScientific name @ source (records)
Agaricaceae  Phoma concentrica @ BPI (1)

Phoma dispersa @ BPI (1)

Phoma yuccae @ BPI (1)
Aphididae  Aphis ( @ NCSU_ENT (12)
Botryosphaeriaceae  Guignardia @ BPI (1)

Macrophoma filamentosa @ BPI (1)

Sphaeropsis filamentosa @ BPI (1)
Davidiellaceae  Cladosporium herbarum @ BPI (2)
Diatrypaceae  Diatrype acervata @ BPI (1)
Encyrtidae  Metaphycus angustifrons @ UCRC_ENT (2)
Glomerellaceae  Colletotrichum gloeosporioides @ BPI (1)
Hyponectriaceae  Physalospora argyrostigma @ BPI (1)
Leptosphaeriaceae  Coniothyrium concentricum @ BPI (4)

Coniothyrium @ BPI (1)
Miridae  Gn_orthotylinigp12 sp_004 @ AMNH_PBI (1)
Montagnulaceae  Microsphaeropsis concentrica @ BPI (27)
Nectriaceae  Volutella ciliata @ BPI (1)
Piesmatidae  Mcateella elongata @ AMNH_PBI (1)
Pleosporaceae  Epicoccum asterinum @ BPI (1)

Macrosporium caudatum @ BPI (1)

Pleospora thuemeniana @ BPI (1)
Turritellidae  Vermicularia liliacearum @ BPI (2)

Vermicularia scapincola @ 362491A (1); 362491B (1)

Vermicularia subeffigurata @ BPI (3)
Typhulaceae  Sclerotium rolfsii @ BPI (1)

Sclerotium @ BPI (1)
Xylariaceae  Sphaeria argyrostigma @ BPI (1)

Sphaeria argyrostoma @ BPI (1)

Sphaeria scapincola @ BPI (1)
_  Gn_ms_granitohyoidea sp_wa0909msp119 @ AMNH_PBI (1)

Kellermania anomala @ BPI (1)

Kellermania yuccigena @ 374488A (1); BPI (6); 374488B (1)

Microxyphium footii @ BPI (1)

Neottiospora yuccaefolia @ BPI (2)

Phomatospora argyrostigma @ BPI (4)

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Delaware Wildflowers  •  Scientific names

Yucca filamentosa L. Yucca
Agavaceae — Agave family
Native
Yucca filamentosa
This is native on the coastal plain; here it is an escape from cultivation. Shenandoah National Park, VA
July 2005 Yucca filamentosa
Rehoboth Beach
June 2013 Yucca filamentosa Yucca filamentosa
Rehoboth Beach
September 2017

Search Google Delaware USDA

Photos copyright David G. Smith

Delaware Wildflowers main page

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FNA Vol. 26 Page 425, 433 , 434 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 26 | Agavaceae | Yucca

16. Yucca filamentosa Linnaeus, Sp. Pl. 1: 319. 1753.

Adam's needle, beargrass, needle palm, silkgrass

Plants acaulescent or rarely caulescent, indistinctly arborescent, 1—4.6 m; rosettes usually small. Stems simple, 0—0.5 m. Leaf blade occasionally erect, proximal leaves often becoming reflexed near middle, lanceolate, flattened, abruptly narrowed and furrowed to apex, thin, widest near middle, 50—75 × 2—4 cm, usually soft and limp, scabrous, margins entire, long and curling, filiferous. Inflorescences paniculate, arising beyond rosettes, ovoid, 7.5—15 dm, glabrous; bracts erect; peduncle scapelike, 1—3 m, less than 2.5 cm diam. Flowers pendent; perianth globose; tepals distinct, nearly white, ovate, 5—7 × 2—3 cm, glabrous, apex short-acuminate; filaments shorter than pistil; pistil 1.5—3.8 cm; stigmas lobed. Fruits erect, capsular, dehiscent, oblong, 3.8—5 × 2 cm, dehiscence septicidal. Seeds dull black, thin, 6 mm diam.

Flowering mid spring--early summer. Sandy soil; Ala., Fla., Ga., La., Md., Miss., N.C., S.C., Tenn., Va., W.Va.

Yucca filamentosa is often cultivated and has become naturalized in some areas beyond its native range. Varieties that have been described are rarely recognized in recent literature. Yucca filamentosa and Y. flaccida are very closely related and perhaps are not distinct species.

Updated: 2021-09-26 02:58:59 gmt
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