Yucca rupicola
Yucca rupicola | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Yucca rupicola typical plant in Texas |
||||||||||||
Systematics | ||||||||||||
|
||||||||||||
Scientific name | ||||||||||||
Yucca rupicola | ||||||||||||
Scheele |
Yucca rupicola (English common name : Twist Leaf-Yucca) is a species of palm lily ( Yucca ) in the asparagus family (Asparagaceae).
description
Yucca rupicola grows solitary with no trunk or forms small groups. The characteristic twisted, flexible green leaves are 25 to 60 cm long, 2 to 2.5 cm and 3 to 6 cm wide at the base. Like all representatives of the Chaenocarpa series Rupicolae, they are finely serrated on the leaf margins.
The branched inflorescence that begins above the leaves becomes 2 to 3 meters high. The pendulous, bell-shaped, white to cream-colored flowers are 4 to 8 cm long and 2 to 3.5 cm in diameter. The flowering period extends from May to June.
Occurrence and systematics
Yucca rupicola is related to Yucca pallida another representative of the section Chaenocarpa series Rupicolae . However, it has the blue to blue-green colored leaves.
Yucca rupicola is frost hardy to –20 ° C in Central Europe, Germany and Mannheim . However, it is rare in collections.
Yucca rupicola is endemic to the southeast of the Edward Plateau in Texas and is common on calcareous, stony soils and in grasslands at altitudes between 300 and 800 meters. This species often grows together with various types of cacti .
The botanical name rupicola is derived from Latin (English "inhabitant" of rocky plants). The first description by George Heinrich Adolf Scheele under the name Yucca rupicola was published in 1850.
photos
Yucca rupicola :
literature
- Yucca rupicola . Fritz Hochstätter (Ed.): Yucca (Agavaceae) . Volume 1 In the Southwest, Midwest of the USA and Canada, Selbstverlag, 2002, p. 26-27, photo material p. 82, first description p. 182-184, p. 231, ISBN 3-00-005946-6 .
Individual evidence
Web links
- Description in the Flora of North America (English).