Yucca aloifolia

L. (1753)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Monocots Order: Asparagales Family: Asparagaceae Genus: Yucca

dagger plant, Spanish bayonet

Naturalized

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Description

Key Characters:

Growth Form: Plants forming colonies of rosettes, arborescent, to 7 m.

Stems: Stems 1–3, erect or somewhat declining, simple or sparingly branched.

Roots:

Leaves: Leaves simple. Spirally arranged. Blades erect, dark green, flattened or slightly concave, thick, 12–40 × 2.5–6 cm, rigid. Rarely filiferous with straight fibers. Margins sharply denticulate or entire. Sessile. Stipules absent.

Flowers: Flowers in inflorescences pendent, paniculate, arising ¼–½ within rosettes, somewhat conical, 4.5–6.1 dm, glabrous or slightly pubescent; peduncle scapelike, to 3 dm. Flowers bisexual (perfect), pendent, to 7 cm; perianth globose. Tepals 6, similar, in 2 series, spreading, connate basally for less than 1 mm, creamy white tinged with green or purple near base, lanceolate, 3–4 × 1.2–2.2 cm. Stamens 6; filaments ca. 2 cm; anthers 2–3 mm. Ovary superior and stipitate 2–5 cm; pistil light green, 3–4 × 0.8–1 cm; style 5 mm; stigmas distinct.

Fruit: Berry-like; pendent; without core; indehiscent; 3.5–5 × 2–2.6 cm; with fleshy; succulent; purple pulp. Seeds dull black; round–ovate; 5–7 mm diam.; 2.5 mm thick.

Ploidy:

Habitat: Sand dunes or shell mounds near coasts.

Elevation Range: 0–1800 m.

Historical Distribution

Synonyms (46)

Dracaena lenneana Regel (1871)

Sarcoyucca aloifolia (L.) Linding. (1933)

Yucca aloifolia f. arcuata (Haw.) Voss (1895)

Yucca aloifolia f. conspicua (Haw.) Trel. (1902)

Yucca aloifolia f. crenulata (Haw.) Voss (1895)

Yucca aloifolia f. draconis (L.) Voss (1895)

Yucca aloifolia f. genuina Engelm. (1873)

Yucca aloifolia f. marginata (J.Bommer) Trel. (1902)

Yucca aloifolia f. menandii Trel. (1902)

Yucca aloifolia f. purpurea (Baker) Trel. (1902)

Yucca aloifolia f. tenuifolia (Haw.) Voss (1895)

Yucca aloifolia f. tricolor (J.Bommer) Trel. (1902)

Yucca aloifolia var. arcuata (Haw.) Trel. (1902)

Yucca aloifolia var. conspicua (Haw.) Engelm. (1873)

Yucca aloifolia var. draconis (L.) Engelm. (1873)

Yucca aloifolia var. flexifolia J.Bommer (1859)

Yucca aloifolia var. gigantea Sprenger (1906)

Yucca aloifolia var. marginata J.Bommer (1859)

Yucca aloifolia var. purpurea Baker (1880)

Yucca aloifolia var. quadricolor-variegata Carrière (1873)

Yucca aloifolia var. roseomarginata Regel (1859)

Yucca aloifolia var. serratifolia Sprenger (1906)

Yucca aloifolia var. stenophylla J.Bommer (1859)

Yucca aloifolia var. tenuifolia (Haw.) Trel. (1902)

Yucca aloifolia var. tricolor J.Bommer (1859)

Yucca aloifolia var. variegata Rothsch. (1870)

Yucca aloifolia var. versicolor Carrière (1878)

Yucca aloifolia var. yucatana (Engelm.) Trel. (1902)

Yucca arcuata Haw. (1819)

Yucca atkinsii Baker (1880)

Yucca conspicua Haw. (1819)

Yucca crenulata Haw. (1819)

Yucca draconis L. (1753)

Yucca haruckeriana Crantz (1768)

Yucca parmentieri Carrière (1859)

Yucca purpurea Baker (1880)

Yucca quadricolor De Smet ex Regel (1864)

Yucca quadricolor var. stokesii B.S.Williams (1870)

Yucca serrulata Haw. (1812)

Yucca serrulata var. angustifolia B.S.Williams (1870)

Yucca serrulata var. variegata B.S.Williams (1870)

Yucca stokesii W.Bull ex J.Dix (1862)

Yucca striata Anon. (1865)

Yucca tenuifolia Haw. (1819)

Yucca tricolor Baker (1880)

Yucca yucatana Engelm. (1873)

Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Kaua'i Naturalized

Dispersal Agents

Birds

Vegetative Reproduction

Pollinators

Specimens

Conservation Status

Hawaii Pacific Weed Risk Assessment Rating:High Risk

HPWRA Score:14

Bibliography

Name Published In: Sp. Pl.: 319 (1753)

Occurrences

SNo.	Scientific Name	Scientific Name Authorship	Locality	Habitat	Basis of Record	Recorded By	Record Number	Island	Source	Date

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