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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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Perennial herb, shrub, tree, fibrous succulent or not, from bulbs or rhizomes. Stem: above ground or not, branched or not. Leaf: simple, deciduous or not, basal or in terminal rosettes, generally sessile, linear, lanceolate, oblanceolate or ovate, fibrous or not, thin and flexible or thick and rigid or succulent; margin entire, fine-serrate, dentate, or with filaments, tips rigid or flexible, with a spine or not. Flower: bisexual; perianth parts 6, in 2 petal-like whorls, free or ± fused; stamens 6, ± fused to perianth, filaments often wide, succulent; ovary superior or inferior, chambers 3, style 1 (thick, poorly defined), stigma head-like or 3-lobed. Fruit: capsule, indehiscent, loculicidal, or septicidal. Seed: few to many, ± flat or ovoid, generally black.
23 genera, 637 species: worldwide. —Scientific Editors: Dale W. McNeal, Thomas J. Rosatti.
Key to Agavaceae
1 sp. (Greek: western beauty) [Utech 2002 FNANM 26:221; Bogler et al. 2006 Aliso 22:313–328]
Perennial herb; bulb 4–6 cm, ovoid, deep. Stem: 30–180 cm, generally simple. Leaf: mostly basal (cauline reduced), 20–50 cm, 8–15 mm wide, blue-green; margins wavy, white. Inflorescence: raceme; bracts conspicuous, ± ovate, papery; pedicels ± 1 cm. Flower: jointed to pedicel, 4.5–6 cm, funnel-shaped; perianth parts 6, fused below, petal-like, white with silver-green midstripe especially abaxially, lobes 3–4 cm, ± oblanceolate, spreading; stamens 6, attached to perianth; ovary superior, chambers 3, style slender, stigma ± 3-lobed. Fruit: 12–16 mm, 3-lobed, loculicidal. Seed: ± 5 mm, flat, black.
n=24. Sandy flats; < 800 m. Desert; western Arizona. Feb–May [Online Interchange]
Previous taxon: Hesperocallis
Next taxon: Hesperoyucca
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Mar 2 2015
Citation for this treatment: [Author of taxon treatment] 2013. Hesperocallis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=28026, accessed on Mar 2 2015
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Albert P. Bekker © 1999 California Academy of Sciences
|Geographic subdivisions indicated for the distribution of Hesperocallis undulata|| Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).
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