Agave utahensis subsp. kaibabensis

(McKelvey) Gentry

Agaves Continental N. Amer., 259. 1982.

Common names: Kaibab agave
Endemic
Basionym: Agave kaibabensis McKelvey J. Arnold Arbor. 30: 227, plate 1. 1949
Synonyms: Agave utahensis var. kaibabensis (McKelvey) Breitung
Treatment appears in FNA Volume 26. Treatment on page 451.

Rosettes (2–) 3–6 × 4–10 dm. Leaves (25–) 27–50 × 3–5.5 cm; blade lanceolate; marginal teeth (2–) 3–5 mm, 2–4 cm apart; apical spine stout, subulate, 2–4 cm. Scape 3.5–5 m. Inflorescences narrowly paniculate; longer lateral branches (1–) 4–10 cm. Flowers 4–12 per cluster, (2.6–) 2.9–4.3 cm; ovary 1.5–2.9 cm. 2n = 60.


Phenology: Flowering mid spring–early summer.
Habitat: Calcareous or sandstone outcrops in desert scrub, pinyon-juniper, or adjacent conifer woodlands
Elevation: 700–2500 m

Discussion

Selected References

None.

Lower Taxa

None.

"broadened" is not a number."dm" is not declared as a valid unit of measurement for this property.

pale-yellow +
longitudinal +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
width +  and length +
glandular-pubescent +  and glandular +
papillate +
light gray +  and ivory white +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
James L. Reveal +  and Wendy C. Hodgson +
(McKelvey) Gentry +
Agave kaibabensis +
armed +  and filiferous +
grayish green +  and yellowish green or green +
lanceolate +
short to long +
? (?) +, ? (?) +  and Rigid (?) +
thick +  and thin +
reflexed +, erect +  and ascending +
triangular +
umbel-like +
oblong +  and ovoid +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Kaibab agave +
fibrous-rooted +
700–2500 m +
pubescent +  and glabrous +
1.3 cm13 mm <br />0.013 m <br /> (2.4 cm24 mm <br />0.024 m <br />) +
recurved +  and erect +
loculicidal +
oblong +  and ovoid +
Calcareous or sandstone outcrops in desert scrub, pinyon-juniper, or adjacent conifer woodlands +
open +  and densely flowered +
1/2 +  and 2/3 +
horizontal +  and slightly ascending +
10 cm100 mm <br />0.1 m <br /> (?) +
pseudopetiolate +, sessile +  and simple +
25 cm250 mm <br />0.25 m <br /> (27 cm270 mm <br />0.27 m <br />) +
evergreen +
27cm;50cm +
3 cm30 mm <br />0.03 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
4 cm40 mm <br />0.04 m <br /> (10 cm100 mm <br />0.1 m <br />) +
horny +, armed +  and nonfiliferous +
dentate +, serrulate +  and entire +
undulate +
Fleshy (?) +, Firm (?) +  and Rigid (?) +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
0.85 cm8.5 mm <br />0.0085 m <br /> (1 cm10 mm <br />0.01 m <br />) +
constricted +
0.35 cm3.5 mm <br />0.0035 m <br /> (?) +  and 0.85 cm8.5 mm <br />0.0085 m <br /> (?) +
cylindrical +, ovoid +  and 3-angled +
1.5 cm15 mm <br />0.015 m <br /> (?) +  and 2.9 cm29 mm <br />0.029 m <br /> (?) +
succulent +
not +  and articulate +
umbel-like +
semisucculent +
Flowering mid spring–early summer. +
Agaves Continental N. Amer., +
cespitose +  and solitary +
350 cm3,500 mm <br />3.5 m <br /> (500 cm5,000 mm <br />5 m <br />) +
globose +, obovoid +  and flattened +
semiwoody +
branched +, , +  and unbranched +
aboveground +
3 +  and 1 +
papillate +
exserted +  and included +
subulate +
Agave utahensis var. kaibabensis +
Agave utahensis subsp. kaibabensis +
Agave utahensis +
subspecies +
1.2 cm12 mm <br />0.012 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
campanulate +
6.5mm;11.5mm +
plant +, not +  and suckering +
polycarpic +  and monocarpic +
small;gigantic +
petal-like +