Agave utahensis var. eborispina

(Hester) Breitung

Cact. Succ. J. (Los Angeles) 32: 22. 1960.

Common names: Ivory-spined agave
Endemic
Basionym: Agave eborispina Hester Cact. Succ. J. (Los Angeles) 15: 131, fig. 59. 1943
Treatment appears in FNA Volume 26. Treatment on page 451.

Rosettes 1.5–3 dm. Leaves 15–30 × 1.5–3 cm; marginal teeth 6–12 (–15) mm; apical spine ivory white, stout, 10–20 cm. Scape 2–4 m.


Phenology: Flowering late winter–spring.
Habitat: Calcareous outcrops with desert scrub
Elevation: 1100–1900 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 +
stout +  and slender +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
James L. Reveal +  and Wendy C. Hodgson +
(Hester) Breitung +
Agave eborispina +
armed +  and filiferous +
grayish green +  and yellowish green or green +
convex +, concave +, plane +  and 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 />) +
Ivory-spined agave +
fibrous-rooted +
Calif. +  and Nev. +
1100–1900 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 outcrops with desert scrub +
paniculate +  and racemose +
1/2 +  and 2/3 +
horizontal +  and slightly ascending +
10 cm100 mm <br />0.1 m <br /> (?) +
pseudopetiolate +, sessile +  and simple +
evergreen +
15cm;30cm +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (5 cm50 mm <br />0.05 m <br />) +
horny +, armed +  and nonfiliferous +
dentate +, serrulate +  and entire +
undulate +
Fleshy (?) +, Firm (?) +  and Rigid (?) +
1.2 cm12 mm <br />0.012 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 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 +
1.2 cm12 mm <br />0.012 m <br /> (?) +  and 2.2 cm22 mm <br />0.022 m <br /> (?) +
succulent +
not +  and articulate +
umbel-like +
semisucculent +
Flowering late winter–spring. +
Cact. Succ. J. (Los Angeles) +
cespitose +  and solitary +
200 cm2,000 mm <br />2 m <br /> (400 cm4,000 mm <br />4 m <br />) +
globose +, obovoid +  and flattened +
semiwoody +
branched +, , +  and unbranched +
aboveground +
3 +  and 1 +
papillate +
exserted +  and included +
subulate +
Agave utahensis var. eborispina +
Agave utahensis subsp. utahensis +
variety +
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 +