Adam's Needle, يوكا خيطية ,יוקה סיבית
| Scientific name: | Yucca filamentosa L. | |
| Synonym name: | Yucca concava Haw., Yucca filamentosa L. var. concava (Haw.) Baker | |
| Common name: | Spoonleaf yucca, Filament yucca, Adam's Needle | |
| Hebrew name: | יוקה סיבית | |
| Arabic name: | يوكا خيطية | |
| Family: | Agavaceae, Agave family, אגביים |
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| Life form: | Perennial shrub | |
| Stems: | Acaulescent (having a short stem), branching, simple | |
| Leaves: | Rosette, evergreen, tough, sword-shaped, filiferous | |
| Inflorescence: | Large terminal clusters, a panicle, arising beyond rosettes, ovoid, 75–150 cm, glabrous | |
| Flowers: | White or whitish pendulous flowers | |
| Fruits / pods: | Capsule, dehiscent, oblong, 3.8–5 × 2 cm, dehiscence septicidal. Seeds dull black, thin, 6 mm diameter | |
| Origin: | North America |
Derivation of the botanical name: Yucca, from the Carib name for manihot or cassava (a genus belonging to the Euphorbia and misapplied to these liliaceous evergreen shrubs or small trees with rosettes of sword-shaped leaves). filamentosa, filament-like. concava, hollowed out, basin-shaped; hollow, concave.
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