View source for Yucca filamentosa

{{Treatment/ID
|accepted_name=Yucca filamentosa
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=1: 319. 1753
|year=1753
}}
|common_names=Adam’s needle;beargrass;needle palm;silkgrass
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms=
|hierarchy=Agavaceae;Yucca;Yucca filamentosa
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Agavaceae]]</div><div class="higher-taxon"><small>genus</small>[[Yucca]]</div><div class="higher-taxon"><small>species</small>[[Yucca filamentosa]]</div></div>
|volume=Volume 26
|mention_page=page 425, 434
|treatment_page=page 433
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism architecture;whole_organism architecture;whole_organism some measurement;whole_organism growth form"><b>Plants </b>acaulescent or rarely caulescent, indistinctly arborescent, 1–4.6 m;</span> <span class="statement" id="st-d0_s1" data-properties="rosette size">rosettes usually small.</span> <span class="statement" id="st-d0_s2" data-properties="stem architecture;stem some measurement"><b>Stems </b>simple, 0–0.5 m.</span> <span class="statement" id="st-d0_s3" data-properties="leaf-blade orientation;proximal leaf orientation;proximal leaf shape;proximal leaf shape;proximal leaf shape;proximal leaf architecture;proximal leaf width;proximal leaf pubescence or texture;proximal leaf texture;proximal leaf pubescence or relief;apex width;apex length;apex width;margin architecture or shape;margin length or size;margin course;margin architecture"><b>Leaf-</b>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.</span> <span class="statement" id="st-d0_s4" data-properties="inflorescence arrangement;inflorescence orientation;inflorescence shape;inflorescence some measurement;inflorescence pubescence"><b>Inflorescences </b>paniculate, arising beyond rosettes, ovoid, 7.5–15 dm, glabrous;</span> <span class="statement" id="st-d0_s5" data-properties="bract orientation">bracts erect;</span> <span class="statement" id="st-d0_s6" data-properties="peduncle architecture or shape;peduncle some measurement;peduncle diameter">peduncle scapelike, 1–3 m, less than 2.5 cm diam.</span> <span class="statement" id="st-d0_s7" data-properties="flower orientation"><b>Flowers </b>pendent;</span> <span class="statement" id="st-d0_s8" data-properties="perianth shape">perianth globose;</span> <span class="statement" id="st-d0_s9" data-properties="tepal fusion;tepal coloration;tepal shape;tepal length;tepal width;tepal pubescence;apex shape">tepals distinct, nearly white, ovate, 5–7 × 2–3 cm, glabrous, apex short-acuminate;</span> <span class="statement" id="st-d0_s10" data-properties="filament height or length or size">filaments shorter than pistil;</span> <span class="statement" id="st-d0_s11" data-properties="pistil some measurement">pistil 1.5–3.8 cm;</span> <span class="statement" id="st-d0_s12" data-properties="stigma shape">stigmas lobed.</span> <span class="statement" id="st-d0_s13" data-properties="fruit orientation;fruit architecture;fruit dehiscence;fruit shape;fruit dehiscence;fruit dehiscence;fruit dehiscence"><b>Fruits </b>erect, capsular, dehiscent, oblong, 3.8–5 × 2 cm, dehiscence septicidal.</span> <span class="statement" id="st-d0_s14" data-properties="seed reflectance;seed coloration;seed width;seed diameter"><b>Seeds </b>dull black, thin, 6 mm diam.</span><!--

-->{{Treatment/Body
|phenology=Flowering mid spring–early summer.
|habitat=Sandy soil
|distribution=Ala.;Fla.;Ga.;La.;Md.;Miss.;N.C.;S.C.;Tenn.;Va.;W.Va.
|discussion=<p>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.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Yucca filamentosa
|authority=Linnaeus
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Agavaceae
|phenology=Flowering mid spring–early summer.
|habitat=Sandy soil
|distribution=Ala.;Fla.;Ga.;La.;Md.;Miss.;N.C.;S.C.;Tenn.;Va.;W.Va.
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V26/V26_892.xml
|genus=Yucca
|species=Yucca filamentosa
|apex length=50cm;75cm
|apex shape=short-acuminate
|apex width=2cm;4cm
|bract orientation=erect
|filament height or length or size=shorter
|flower orientation=pendent
|fruit architecture=capsular
|fruit dehiscence=septicidal;2;3.8cm;5cm
|fruit orientation=erect
|fruit shape=oblong
|inflorescence arrangement=paniculate
|inflorescence orientation=arising
|inflorescence pubescence=glabrous
|inflorescence shape=ovoid
|inflorescence some measurement=7.5dm;15dm
|leaf-blade orientation=erect
|margin architecture=filiferous
|margin architecture or shape=entire
|margin course=curling
|margin length or size=long
|peduncle architecture or shape=scapelike
|peduncle diameter=0cm;2.5cm
|peduncle some measurement=1m;3m
|perianth shape=globose
|pistil some measurement=1.5cm;3.8cm
|proximal leaf architecture=furrowed
|proximal leaf orientation=reflexed
|proximal leaf pubescence or relief=scabrous
|proximal leaf pubescence or texture=soft
|proximal leaf shape=narrowed;flattened;lanceolate
|proximal leaf texture=limp
|proximal leaf width=widest
|rosette size=small
|seed coloration=black
|seed diameter=6
|seed reflectance=dull
|seed width=thin
|stem architecture=simple
|stem some measurement=0m;0.5m
|stigma shape=lobed
|tepal coloration=white
|tepal fusion=distinct
|tepal length=5cm;7cm
|tepal pubescence=glabrous
|tepal shape=ovate
|tepal width=2cm;3cm
|whole_organism architecture=caulescent;acaulescent
|whole_organism growth form=plant
|whole_organism some measurement=1m;4.6m
}}<!--

-->[[Category:Treatment]][[Category:Yucca]]