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Dasylirion
Family:
Asparagaceae
Max Licher
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 checklist:
NAU-Yuma BSC 414
Dasylirion acrotriche
Dasylirion acrotrichum
Dasylirion berlandieri
Dasylirion bigelovii
Dasylirion cedrosanum
Dasylirion durangense
Dasylirion gentryi
Dasylirion glaucophyllum
Dasylirion graminifolium
Dasylirion heteracanthum
Dasylirion leiophyllum
Dasylirion lindheimeriana
Dasylirion longissimum
Dasylirion longistylum
Images
not available
Dasylirion lucidum
Dasylirion micropterum
Dasylirion miquihuanense
Dasylirion palaciosii
Dasylirion parryanum
Dasylirion quadrangulatum
Dasylirion sereke
Dasylirion serratifolium
Dasylirion simplex
Dasylirion stewartii
Dasylirion tenuifolium
Dasylirion texanum
Dasylirion treleasei
Dasylirion wheeleri
This project made possible by
National Science Foundation Award EF 1702516
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