Difference between revisions of "Hesperaloe"
in S. Watson, Botany (Fortieth Parallel), 497. 1871.
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Latest revision as of 21:18, 5 November 2020
Plants perennial, cespitose, acaulescent, semisucculent, primarily short- to long-rhizomatous. Leaves in basal rosettes; blade linear, thick and striate-ridged abaxially, margins with threadlike, detaching filaments, apex frayed or with hard spine. Inflorescences paniculate [racemose], loose, 3–8-branched. Flowers bisexual; perianth narrowly tubular to broadly campanulate; tepals 6; stamens 6, inserted on receptacle or at tepal bases, included; filaments glabrous; anthers sagittate, with septal nectaries; receptacle fleshy; ovary superior; style slender, barely exceeding tepals. Fruits capsular, ovoid, dehiscence septicidal. Seeds many, black, flattened. x = 30.
Distribution
Arid regions of Tex. and Mexico (Coahuila, Nuevo León, San Luis Potosí, Sonora).
Discussion
Species 5 (2 in the flora).
Hesperaloe parviflora, and to a much lesser extent H. funifera, are cultivated in the semiarid and arid Southwest. The original distribution of H. parviflora is likely much obscured because of a long history of roadside and ornamental plantings throughout the area.
Selected References
Lower Taxa
Key
| 1 | Flowers green, tinged with purple, broadly campanulate; leaf blade yellowish green, 1–2 m × 2–5 cm. | Hesperaloe funifera |
| 1 | Flowers rosy red to salmon, narrowly tubular; leaf blade dark green, 1–1.25 m × 2.5 cm. | Hesperaloe parviflora |