Yucca filamentosa
Old specimen of Yucca filamentosa in South Carolina.
The Filaments Yucca (Yucca filamentosa ) ( English common name: Ferald 's Yucca, Narrow Leaf Yucca ) is a plant of the genus yucca (Yucca ) in the family of asparagus plants ( Asparagaceae ).
Description
The Filaments yucca grows solitary and forms stemless or bushy groups. The typical fibers are found at the edges of the leaves. They are green to blue-green and rough on the bottom, 20 to 60 cm long and 2.5 to 3 cm wide.
The far above the leaves beginning, branched inflorescence is 2 to 3 meters high. The hanging bell-shaped, white to cream-colored flowers have a length and a diameter of 4 to 8 cm. The flowering period extends from June to July.
Occurrence and systematics
The Filaments Yucca (Yucca filamentosa ) is closely related to the eastern United States based in mountainous regions of the Blue Ridge, Great Smoky Mountains, Appalachian Mountains and Pockono in sparse forests Yucca flaccida.
The Filaments Yucca is hardy in Central Europe with protection during the winter months to minus 15 ° C. However, they are hardy in Tim Behan collection in Rhode Iceland. The true species is rare in collections. The well-known in Europe under the name Yucca filamentosa garden forms are all hybrids; Examples are ' Atlanta ' and ' bells bush '.
The Filaments Yucca is common in the Atlantic coastal region in the states of Florida, Georgia, Virginia, North Carolina and South Carolina in levels in sandy soil, grassland and forest edges in approximately above sea level. This type is often found associated with Yucca aloifolia and various cacti species.
The first description was by Linnaeus under the name Yucca filamentosa has been published in 1753.
We distinguish the following sub- types:
- Yucca filamentosa subsp. filamentosa
- Yucca filamentosa subsp. smalliana ( Fernald ) Hochstätter
- Yucca filamentosa subsp. concava ( Haw. ) Hochstätter
This species belongs to the section Chaenocarpa in the series Filamentosae.
Pictures
Yucca filamentosa:
In North Carolina typical inflorescence in Texas.