Gen. Yucca (Agavaceae) / Flora of USA and Canada

Genus: YUCCA - Family: AGAVACEAE

AGAVACEAE
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Scientific name	Google Search	*Distribution in USA and Canada ()**	Common names	Grown habit	Duration
Yucca aloifolia L.		USA (AL, FL, GA, LA, MS, NC, SC), USA+ (PR, VI) Map for Yucca aloifolia L. (*)	aloe yucca	Tree, Shrub	Perennial
Yucca angustissima Engelm. ex Trel.		USA (AZ, CO, NM, UT) Map for Yucca angustissima Engelm. ex Trel. (*)	narrowleaf yucca	Subshrub, Shrub, Forb/herb	Perennial
Yucca angustissima Engelm. ex Trel. var. angustissima = Yucca angustissima Engelm. ex Trel. var. avia Reveal		USA (AZ, CO, NM, UT) Map for Yucca angustissima Engelm. ex Trel. var. angustissima (*)	narrowleaf yucca	Subshrub, Shrub, Forb/herb	Perennial
Yucca angustissima Engelm. ex Trel. var. kanabensis (McKelvey) Reveal = Yucca kanabensis McKelvey		USA (AZ, UT) Map for Yucca angustissima Engelm. ex Trel. var. kanabensis (McKelvey) Reveal (*)	Kanab yucca	Subshrub, Shrub, Forb/herb	Perennial
Yucca angustissima Engelm. ex Trel. var. toftiae (S.L. Welsh) Reveal = Yucca toftiae S.L. Welsh		USA (UT) Map for Yucca angustissima Engelm. ex Trel. var. toftiae (S.L. Welsh) Reveal (*)	Toft's yucca	Subshrub, Shrub, Forb/herb	Perennial
Yucca arkansana Trel. = Yucca angustissima Engelm. ex Trel. var. mollis Engelm.		USA (AR, KS, MO, OK, TX) Map for Yucca arkansana Trel. (*)	Arkansas yucca	Subshrub, Shrub, Forb/herb	Perennial
Yucca baccata Torr. = Yucca baccata Torr. var. baccata = Yucca baccata Torr. var. vespertina McKelvey = Yucca confinis McKelvey = Yucca vespertina (McKelvey) S.L. Welsh		USA (AZ, CA, CO, NM, NV, TX, UT) Map for Yucca baccata Torr. (*)	banana yucca	Subshrub, Shrub, Forb/herb	Perennial
Yucca baileyi Woot. & Standl.		USA (AZ, CO, NM, UT) Map for Yucca baileyi Woot. & Standl. (*)	Navajo yucca	Subshrub, Shrub, Forb/herb	Perennial
Yucca baileyi Woot. & Standl. var. baileyi = Yucca standleyi McKelvey		USA (AZ, CO, NM, UT) Map for Yucca baileyi Woot. & Standl. var. baileyi (*)	Navajo yucca	Subshrub, Shrub, Forb/herb	Perennial
Yucca baileyi Woot. & Standl. var. intermedia (McKelvey) Reveal = Yucca intermedia McKelvey		USA (NM) Map for Yucca baileyi Woot. & Standl. var. intermedia (McKelvey) Reveal (*)	intermediate yucca	Subshrub, Shrub, Forb/herb	Perennial
Yucca baileyi Woot. & Standl. var. navajoa (J.M. Webber) J.M. Webber = Yucca navajoa J.M. Webber		USA (AZ, NM) Map for Yucca baileyi Woot. & Standl. var. navajoa (J.M. Webber) J.M. Webber (*)	Navajo yucca	Subshrub, Shrub, Forb/herb	Perennial
Yucca brevifolia Engelm.		USA (AZ, CA, NV, UT) Map for Yucca brevifolia Engelm. (*)	Joshua tree	Tree, Shrub	Perennial
Yucca brevifolia Engelm. var. brevifolia = Clistoyucca brevifolia (Engelm.) Rydb. = Yucca brevifolia Engelm. var. herbertii (J.M. Webber) Munz		USA (AZ, CA, NV, UT) Map for Yucca brevifolia Engelm. var. brevifolia (*)	Joshua tree	Tree, Shrub	Perennial
Yucca brevifolia Engelm. var. jaegeriana McKelvey		USA (AZ, CA, NV, UT) Map for Yucca brevifolia Engelm. var. jaegeriana McKelvey (*)	Jaeger's Joshua tree	Tree, Shrub	Perennial
Yucca campestris McKelvey = Yucca intermedia McKelvey var. ramosa McKelvey		USA (NM, TX) Map for Yucca campestris McKelvey (*)	plains yucca	Subshrub, Shrub, Forb/herb	Perennial
Yucca constricta Buckley		USA (TX) Map for Yucca constricta Buckley (*)	Buckley's yucca	Subshrub, Shrub, Forb/herb	Perennial
Yucca elata (Engelm.) Engelm. = Yucca angustissima Engelm. ex Trel. var. elata Engelm. = Yucca elata (Engelm.) Engelm. var. elata = Yucca elata (Engelm.) Engelm. var. utahensis (McKelvey) Reveal = Yucca elata (Engelm.) Engelm. var. verdiensis (McKelvey) Reveal = Yucca utahensis McKelvey = Yucca verdiensis McKelvey		USA (AZ, NM, NV, TX, UT) Map for Yucca elata (Engelm.) Engelm. (*)	soaptree yucca	Tree, Shrub	Perennial
Yucca faxoniana (Trel.) Sarg. = Samuela carnerosana auct. non Trel. = Samuela faxoniana Trel. = Yucca carnerosana auct. non (Trel.) McKelvey		USA (NM, TX) Map for Yucca faxoniana (Trel.) Sarg. (*)	Eve's needle	Tree, Shrub	Perennial
Yucca filamentosa L. = Yucca concava Haw. = Yucca filamentosa L. var. concava (Haw.) Baker		USA (AL, AR, CT, DE, FL, GA, IL, IN, KS, KY, LA, MA, MD, MI, MO, MS, NC, NE, NJ, NY, OH, PA, RI, SC, TN, TX, VA, WI, WV) Map for Yucca filamentosa L. (*)	Adam's needle	Subshrub, Shrub, Forb/herb	Perennial
Yucca flaccida Haw. = Yucca filamentosa L. var. smalliana (Fernald) H.E. Ahles = Yucca smalliana Fernald		USA (AL, FL, GA, MS, NC, SC, TN, VA), CAN (ON) Map for Yucca flaccida Haw. (*)	weak-leaf yucca	Forb/herb, Shrub, Subshrub	Perennial
Yucca glauca Nutt.		USA (AR, CO, IA, KS, MO, MT, ND, NE, NM, OK, SD, TX, WY), CAN (AB) Map for Yucca glauca Nutt. (*)	soapweed yucca	Subshrub, Shrub, Forb/herb	Perennial
Yucca glauca Nutt. var. glauca = Yucca angustifolia Pursh		USA (AR, CO, IA, KS, MO, MT, ND, NE, NM, OK, SD, TX, WY), CAN (AB) Map for Yucca glauca Nutt. var. glauca (*)	soapweed yucca	Subshrub, Shrub, Forb/herb	Perennial
Yucca glauca Nutt. var. gurneyi McKelvey		USA (CO, KS, NM, OK) Map for Yucca glauca Nutt. var. gurneyi McKelvey (*)	Gurney's yucca	Subshrub, Shrub, Forb/herb	Perennial
Yucca gloriosa L.		USA (AL, FL, GA, LA, MS, NC, SC), USA+ (PR) Map for Yucca gloriosa L. (*)	moundlily yucca	Tree, Shrub, Forb/herb	Perennial
Yucca guatemalensis Baker = Yucca elephantipes Regel		USA+ (PR) Map for Yucca guatemalensis Baker (*)	bluestem yucca	Tree, Shrub, Forb/herb	Perennial
Yucca harrimaniae Trel.		USA (AZ, CO, NM, NV, OK, UT) Map for Yucca harrimaniae Trel. (*)	Spanish bayonet	Subshrub, Shrub, Forb/herb	Perennial
Yucca harrimaniae Trel. var. harrimaniae = Yucca gilbertiana (Trel.) Rydb. = Yucca harrimaniae Trel. var. gilbertiana Trel.		USA (AZ, CO, NM, NV, UT) Map for Yucca harrimaniae Trel. var. harrimaniae (*)	Spanish bayonet	Subshrub, Shrub, Forb/herb	Perennial
Yucca harrimaniae Trel. var. neomexicana (Woot. & Standl.) Reveal = Yucca neomexicana Woot. & Standl.		USA (CO, NM, OK) Map for Yucca harrimaniae Trel. var. neomexicana (Woot. & Standl.) Reveal (*)	New Mexico Spanish bayonet	Subshrub, Shrub, Forb/herb	Perennial
Yucca harrimaniae Trel. var. sterilis Neese & S.L. Welsh		USA (UT) Map for Yucca harrimaniae Trel. var. sterilis Neese & S.L. Welsh (*)	Spanish bayonet	Subshrub, Shrub, Forb/herb	Perennial
Yucca louisianensis Trel. = Yucca arkansana Trel. var. paniculata McKelvey = Yucca freemanii Shinners		USA (AR, LA, OK, TX) Map for Yucca louisianensis Trel. (*)	Gulf Coast yucca	Subshrub, Shrub, Forb/herb	Perennial
Yucca madrensis Gentry = Yucca schottii auct. non Engelm.		USA (AZ, NM) Map for Yucca madrensis Gentry (*)		Forb/herb, Shrub, Subshrub	Perennial
Yucca necopina Shinners		USA (TX) Map for Yucca necopina Shinners (*)	Brazos River yucca	Subshrub, Shrub, Forb/herb	Perennial
Yucca pallida McKelvey = Yucca rupicola Trel.		USA (TX) Map for Yucca pallida McKelvey (*)	twistleaf yucca	Subshrub, Shrub, Forb/herb	Perennial
Yucca recurvifolia Salisb.		USA (AL, GA, LA, MS) Map for Yucca recurvifolia Salisb. (*)	curve-leaf yucca	Forb/herb, Shrub, Subshrub	Perennial
Yucca reverchonii Trel.		USA (TX) Map for Yucca reverchonii Trel. (*)	San Angelo yucca	Subshrub, Shrub, Forb/herb	Perennial
Yucca rupicola Scheele = Yucca tortifolia Lindl. ex Engelm.		USA (TX) Map for Yucca rupicola Scheele (*)	Texas yucca	Subshrub, Shrub, Forb/herb	Perennial
Yucca schidigera Roezl ex Ortgies = Yucca californica Nutt. ex Baker = Yucca macrocarpa Merriam, non Engelm. = Yucca mohavensis Sarg.		USA (AZ, CA, NV, UT) Map for Yucca schidigera Roezl ex Ortgies (*)	Mojave yucca	Tree, Shrub, Forb/herb	Perennial
Yucca tenuistyla Trel.		USA (TX) Map for Yucca tenuistyla Trel. (*)	whiterim yucca	Subshrub, Shrub, Forb/herb	Perennial
Yucca thompsoniana Trel. = Yucca rostrata Engelm. ex Trel. = Yucca rostrata Engelm. ex Trel. var. linearis Trel.		USA (TX) Map for Yucca thompsoniana Trel. (*)	Thompson's yucca	Tree, Shrub, Forb/herb	Perennial
Yucca torreyi Shafer = Yucca baccata Torr. var. macrocarpa Torr. = Yucca crassifolia Engelm. = Yucca macrocarpa (Torr.) Coville		USA (NM, TX) Map for Yucca torreyi Shafer (*)	Torrey's yucca	Tree, Shrub, Forb/herb	Perennial
Yucca treculeana Carrière		USA (TX) Map for Yucca treculeana Carrière (*)	Don Quixote's lace	Tree, Shrub, Forb/herb	Perennial
Yucca treculeana Carrière var. succulenta McKelvey		USA (TX) Map for Yucca treculeana Carrière var. succulenta McKelvey (*)	Don Quixote's lace	Tree, Shrub, Forb/herb	Perennial
Yucca treculeana Carrière var. treculeana = Yucca treculeana Carrière var. canaliculata Trel.		USA (TX) Map for Yucca treculeana Carrière var. treculeana (*)	Don Quixote's lace	Tree, Shrub, Forb/herb	Perennial
Yucca ×karlsruhensis Graebn.		USA (AZ, UT) Map for Yucca ×karlsruhensis Graebn. (*)		Subshrub, Shrub, Forb/herb	Perennial
Yucca ×schottii Engelm. (pro sp.) = Yucca arizonica McKelvey = Yucca baccata Torr. var. brevifolia (Schott ex Torr.) L.D. Benson & Darrow = Yucca brevifolia Schott ex Torr., nom. inval. = Yucca macrocarpa Engelm., non Merriam = Yucca puberula Torr. = Yucca thornberi McKelvey = Yucca treleasei J.F. Macbr.		USA (AZ, NM) Map for Yucca ×schottii Engelm. (pro sp.) (*)	Schott's yucca	Tree, Shrub, Subshrub, Forb/herb	Perennial

(*) USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov, 28 August 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA.

PICTURES

Yucca baccata
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 512.
Yucca filamentosa
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 513.
Yucca glauca
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 512.

Yucca gloriosa

Yucca gloriosa

Yucca gloriosa

Yucca gloriosa

Yucca gloriosa

Yucca gloriosa

L.R. 2009