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Sclerocactus (Cactaceae) Section Sclerocactus Sclerocactus pubispinus fh 103.21 NV
Sclerocactus (Cactaceae) Section Sclerocactus Sclerocactus pubispinus fh 103.21 NV
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fritz


Yucca schottii fh 0621 MEX Section Yucca Series Treculianae
Yucca schottii fh 0621 MEX Section Yucca Series Treculianae

            

Yucca schottii fh 0621 MEX Section Yucca Series Treculianae
Description: Yucca schottii Engelmann

Schott´s Yucca, Mountain Yucca or Hoary Yucca.

Trans. Acad. Sci. St. Louis. 3: 46. 1873.

Lectotype (selected by McKelvey): Schott, flower and fruits from the Sierras west of Santa Cruz Co., Arizona, July 1855. M 135693.



Representatives material studied.

Mexicoa: fh 0621.

Description

Arborescent, 1-3 m tall, rarely to 5 m tall, solitary or ith 2-3 stems of differing lengths, 0.5-2 m long, leaves blue-green, to grey-green, shiney, finely striated, 0.5-1 m long, 2.5-6 cm wide.
Inflorescence short, erect, open, paniculate, 0.3-0.8 m long, partially inferior to the leaves, flowers white, spherical, small, 2.5-3.5 cm long.
Flowering period: April to August.
Distribution: USA. Sonoran Desert and Chihuahuan Desert. Mexico. On dry plains, upper grassland and woodlands at 1,200-2,100 m altitude. Occuring alongside with Yucca elata, Yucca arizonica, Yucca baccata, differente Agaves and cacti.

Yucca schottii occur only in the higher mountain regions. It is easily differntiated from others in the series Yucca by way of its flexible, afibrous, dark blue to grey leaves.
This species was named in honour of Arthur Schott.
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Date: 13.04.2008 06:36
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