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Yucca thompsoniana Trel.
Rep. (Annual) Missouri Bot. Gard. 22: 101 1911 publ. 1912
Family: AGAVACEAE

Synonyms:

See all synonyms of Yucca thompsoniana
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Accepted name in llifle Database:
Yucca thompsoniana Trel.
Rep. (Annual) Missouri Bot. Gard. 22: 101 1911 publ. 1912
Synonymy: 2
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Common Names include:
ENGLISH: Beaked Yucca, Thomson Yucca

Subspecies, varieties, forms and cultivars of plants belonging to the Yucca rostrata group

  • Yucca rostrata Engelm. ex Trel.: larger-growing (3-3.5 m high) with larger inflorescences, longer and broader leaves with the widest part considerably above the middle, and smooth on both faces. Distribution: SW Texas and Mexico (Chihuahua and Coahuila).
  • Yucca thompsoniana Trel.: smaller-growing (1-2 m high) with rough-feeling, smaller inflorescences, shorter and narrower leaves widest at or above the middle and somewhat scabrous on both faces. Distribution: Texas and N. Mexico (Chihuahua, Nuevo leon and Coahuila).

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