Yucca rostrata

Yucca rostrata few weeks after flowering with dried, torn capsule fruits in Texas

Yucca rostrata (English common name: Big Bend Yucca ) is a plant of the genus yucca (Yucca ) in the family of asparagus plants ( Asparagaceae ).

Description

Yucca rostrata grows solitary and forms a base of 1 to 4 meters in height. The variable blue to blue- green, rough leaves are 25-60 cm long and 1 to 1.5 cm wide. They are finely serrated at the leaf margins like all members of the Section Chaenocarpa series Rupicolae.

The above the leaves beginning, densely branched inflorescence is 1-2 meters high. The drooping, bell-shaped, white, cream-colored flowers are 3-6 cm long and to 3.5 cm wide. The flowering period extends from March to April.

It is related to Yucca thompsoniana one more representative of the section Chaenocarpa series Rupicolae. However, it is larger in all dimensions.

Yucca rostrata is frost hardy in Central Europe to -20 ° C. in dry state during the winter months. With protection, this type is cultivated in the collection of F. Hochstätter for over a decade.

Dissemination

Yucca rostrata is common on the Edwards Plateau in Texas and Mexico in the states of Chihuahua, Coahuila on planes or flat hills in rocky soils at altitudes between 600 and 800 m. This type is often found associated with various agaves and numerous cacti species.

System

The first description by Georg Engelmann under the name Yucca rostrata was published in 1902.

Pictures

Yucca rostrata:

Old specimen with flowers residues in Texas

In May in Texas

15 year old specimen in the collection of F. Hochstätter in Mannheim in culture