Dasylirion
Family: Asparagaceae
Dasylirion image
Sue Carnahan
  • FNA
  • Resources
David J. Bogler in Flora of North America (vol. 26)
Plants perennial, polycarpic; roots spreading, 2-8 mm diam. Stems short or elongate, often with erect or reclining trunk. Leaves persistent, numerous, forming rosettes, spreading; blade long-linear, fibrous, glabrous, sometimes waxy-glaucous, bases expanded, overlapping, spoon-shaped, margins with sharp, curved prickles, apex fibrous. Inflorescences paniculate, racemose, bracteate; panicles narrow, borne on long, woody stalks; bracts leaflike proximally, stramineous distally, lanceolate; fascicles of dense racemes in axils of bracts. Flowers small, functionally unisexual, some plants with only male flowers, others with only female flowers; floral bracts laciniate, membranous; tepals 6, distinct, whitish, greenish, or purple, obovate, margins denticulate; stamens 6, rudimentary in pistillate flowers; ovary superior, 3-angled, abortive in staminate flowers; style short, ± strap-shaped, slightly expanded at tip; stigma 3-lobed, lobes weakly connate into tube; pedicel of pistillate flowers articulate. Fruits capsular, 1-locular, dry, indehiscent, 3-winged. Seed 1, golden brown, 3-angled, turbinate. x = 19.
Species within inventory project: Intermountain Regional Herbarium Network
Dasylirion acrotriche
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Dasylirion acrotrichum
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Dasylirion berlandieri
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Dasylirion bigelovii
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Dasylirion cedrosanum
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Dasylirion durangense
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Dasylirion gentryi
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Dasylirion graminifolium
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Dasylirion heteracanthum
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Dasylirion leiophyllum
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Dasylirion lindheimeriana
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Dasylirion longissimum
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Dasylirion longistylum
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Dasylirion lucidum
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Dasylirion micropterum
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Dasylirion miquihuanense
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Dasylirion palaciosii
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Dasylirion parryanum
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Dasylirion quadrangulatum
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Dasylirion sereke
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Dasylirion serratifolium
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Dasylirion simplex
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Dasylirion stewartii
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Dasylirion tenuifolium
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Dasylirion texanum
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Dasylirion treleasei
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Dasylirion wheeleri
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