Yucca whipplei

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Yucca whipplei
Yucca whipplei with inflorescence in May in California

Yucca whipplei with inflorescence in May in California

Systematics
Monocots
Order : Asparagales (Asparagales)
Family : Asparagaceae (Asparagaceae)
Subfamily : Agave family (Agavoideae)
Genre : Palm lilies ( yucca )
Type : Yucca whipplei
Scientific name
Yucca whipplei
Torr.
Distribution area of ​​the species Yucca whipplei and thus also of the Hesperoyucca section

Yucca whipplei (common names in other languages: Our-Lord's Candle, Chaparral, Quixote Yucca) is a species of palm lily ( Yucca ) in the asparagus family (Asparagaceae).

description

The solitary, acaulescente (without a trunk), monocarpic Yucca whipplei has thin, flexible, usually entire leaves . These are bluish to gray in color and 25 to 65 cm long and 1 to 2 cm wide.

The panicle inflorescence becomes, as with Yucca elata , 2 to 5 meters high. The fragrant, spherical, drooping flowers are 3 to 5 cm long and 1 to 3 cm in diameter. The six identical bloom bracts are white to cream-colored, with purple tips. The flowering period extends from March to June.

The mountain forms are frost hardy to –18 ° C when dry . They are rare in the collections in Europe and difficult to cultivate, but one specimen in the collection of T. Bolliger in Switzerland has blossomed.

distribution

Yucca whipplei is common in Baja California, Mexico and in the southern part of the US state of California in chaparral regions and desert regions at altitudes between 400 m and 2400 m. This species often grows together with Yucca brevifolia , Yucca schidigera , Yucca baccata and various agave and cactus species.

Systematics

The first description by John Torrey was published in 1861. An earlier description of Torrey from 1858 is invalid. Another synonym given by John Gilbert Baker is Hesperoyucca whipplei from 1892.

Yucca whipplei is the only species in the Hesperoyucca section .

The following subspecies are distinguished:

photos

Yucca whipplei :

  • With inflorescence in April in California

  • Section of the inflorescence in California

  • Yucca whipplei ssp. newberryi : Locality rediscovered by F. Hochstätter in the 90s in the inner Grand Canyon , Arizona

literature

  • Yucca whipplei . Fritz Hochstätter (Ed.): Yucca (Agavaceae) . Volume 1 USA, Selbstverlag, 2000, pp. 18–19, photo material pp. 70–79, p. 228. First description pp. 194–195, ISBN 3-00-005946-6 .
  • Yucca whipplei . Fritz Hochstätter (Ed.): Yucca (Agavaceae) . Volume 3 Mexico and Baja California, Selbst Verlag, 2004, pp. 43-44, p. 277, ISBN 3-00-013124-8 .

Individual evidence

  1. ^ In: Rep. Colorado R. (Ives) 4 (Botany): 29. 1861.
  2. ↑ See entry in the International Plant Names Index
  3. ↑ Kew Royal Bot. Gard. Bul. Misc. Inform. 5: 8, 1892.

Web links

Commons : Yucca whipplei  - collection of images, videos and audio files