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Vascular Plants of California
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Agave utahensis

Higher Taxonomy
Family: AgavaceaeView DescriptionDichotomous Key
Habit: 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.
Genera In Family: 24 genera, 637 species: worldwide.
eFlora Treatment Author: Dale W. McNeal, except as noted
Scientific Editor: Dale W. McNeal, Thomas J. Rosatti, Bruce G. Baldwin.
Genus: AgaveView DescriptionDichotomous Key

Habit: Shrub-like, stem often short, forming basal rosettes, scapose, often rhizomed, generally dying after flowering. Leaf: long-lived, sessile, lance-linear to ovate, thick, generally rigid, often fleshy, glabrous, armed with marginal teeth, spine at tip. Inflorescence: panicle-, raceme-, or spike-like, bracted, often with bulblets. Flower: [1] paired, or in clusters of 3--40; perianth generally funnel- or bell-shaped, yellow to green-yellow, parts petal-like, 6 in 2 whorls, fused basally, lobes erect to ascending or +- spreading distally; stamens 6; ovary inferior, 3-chambered. Fruit: oblong to ovoid, often beaked, loculicidal. Seed: many, +- flat, black.
Etymology: (Greek: noble, for imposing stature)
Unabridged Note: Cultivated material may be identified using Gentry 1982 Agaves of Continental N. America. Univ. Arizona Press.
eFlora Treatment Author: James L. Reveal
Reference: Reveal & Hodgson 2002 FNANM 26:442--461
Agave utahensis Engelm.
Habit: Stem 0; rosette generally 1. Leaf: [12]15--30[50] cm, lance-linear, marginal teeth 4--12(15) mm, 1--4 cm apart, tip-spine [2]4--20 cm. Inflorescence: raceme-like, 2--4 m including peduncle; bracts 4--8 cm, narrow-triangular, not persistent; branches 50--75[+], generally 0.5--5 cm; flowers 2--8 per cluster. Flower: perianth 2.3--4.3 cm, tube 6.5--10[11.5] mm, bell-shaped, lobes +- equal, 7--12 mm; stamens +- exserted, filaments 1.3--2.4 cm, +- from base of tube, white, anthers 5--12 mm; ovary 1.2--2.5 cm. Fruit: 1--2.5 cm. Seed: 2--4 mm.
Note: Other subspecies, varieties in Nevada, Utah, Arizona.
Jepson eFlora Author: James L. Reveal
Reference: Reveal & Hodgson 2002 FNANM 26:442--461
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

Previous taxon: Agave shawii var. shawii
Next taxon: Agave utahensis var. eborispina

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Citation for this treatment: James L. Reveal 2012, Agave utahensis, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on May 29, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora,, accessed on May 29, 2024.

Agave utahensis
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©2019 Christopher L. Christie
Agave utahensis
click for enlargement
©2019 Christopher L. Christie
Agave utahensis  
var. eborispina
click for enlargement
©2006 James M. Andre
Agave utahensis
click for enlargement
©2019 Christopher L. Christie
Agave utahensis
click for enlargement
©2003 James M. Andre

More photos of Agave utahensis
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Geographic subdivisions for Agave utahensis:
1. You can change the display of the base map layer control box in the upper right-hand corner.
2. County and Jepson Region polygons can be turned off and on using the check boxes.
map of distribution 1
(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).


Data provided by the participants of the  Consortium of California Herbaria.
View all CCH records
All markers link to CCH specimen records. The original determination is shown in the popup window.
Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.

CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time (fruiting time in some monocot genera).