Comments
provided by eFloras
Dasylirion leiophyllum hybridizes with D. texanum in the area of overlap. Specimens with mixed prickle curvature have been treated as D. heteracanthum, but on the whole these resemble D. leiophyllum, and so D. heteracanthum is reduced to synonomy here.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
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Plants typically large and robust, with small crowns; trunks to 1 m, erect or reclining. Leaves elongate, rigid; blade bright green, 90–110 × (1.5–)2–3 cm wide above broadened base, usually smooth and shiny, glabrous, not waxy; prickles mostly retrorse. Inflorescences 2.5–5 m; stalk 3–5 cm diam. at base; branches mostly basal, erect, 4–10 cm; bracts lanceolate; fascicles of flowers condensed, 8–12 cm from base to tip; primary axes 2–5 cm. Flowers with receptacles 0.2–0.4 mm; tepals whitish or greenish, 1.8–2 × 1 mm; style 0.2–0.3 mm; stigma lobes 0.3–0.4 mm; pedicel 2–2.4 mm in fruit. Capsules ellipsoid to obovoid, 6–7 × 4–4.5 mm; distal wing lobes 1.5–2 mm, rounded in cross section, not indented.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
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N.Mex., Tex.; Mexico (Chihuahua, Coahuila).
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Flowering/Fruiting
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Flowering mainly Jun--Jul.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
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Gravelly limestone and igneous slopes, bajadas, canyons, and arroyos of mountains; 1200--1800m.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
provided by eFloras
Dasylirion heteracanthum I. M. Johnston
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA