Agave schottii var. schottii

Common names: Schott agave
Treatment appears in FNA Volume 26. Treatment on page 448. Mentioned on page 449, 457, 459.

Leaves 0.7–1.2 cm wide; blade yellowish green with conspicous budprints on both surfaces, margins filiferous, apical spine grayish, weak and brittle, 0.8–1.2 cm. Scape 1.6–2.5 m. Inflorescences spicate; peduncle shorter than 2 mm. Flowers 1 or 2–3 per cluster, 2.9–4.2 cm; perianth-tube 8–11 (–14) × 5–8 mm, limb lobes light yellow; filaments inserted 6–13 mm above perianth base; ovary 0.8–1.5 cm. 2n = 60, 120.


Phenology: Flowering late spring–late summer.
Habitat: Gravelly to rocky places, mostly in desert scrub, grasslands, juniper and oak woodlands
Elevation: 900–2000 m

Distribution

V26 922-distribution-map.jpg

Ariz., N.Mex., Mexico (Sonora)

Discussion

Agave schottii var. schottii hybridizes with A. deserti var. simplex, A. chrysantha, and possibly A. palmeri or A. parryi var. parryi.

Selected References

None.

Lower Taxa

None.

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

0.75 cm7.5 mm <br />0.0075 m <br /> (1 cm10 mm <br />0.01 m <br />) +
light +  and deep yellow +
longitudinal +
1 cm10 mm <br />0.01 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
width +  and length +
glandular-pubescent +  and glandular +
papillate +
Rounded (?) +  and Beaked (?) +
brittle +  and weak +
sharp-pointed +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
James L. Reveal +  and Wendy C. Hodgson +
Engelmann +
0.7cm;2.5cm +
armed +  and filiferous +
yellowish green +
abaxially convex +  and deeply convex +
short to long +
thick +  and thin +
reflexed +, erect +  and ascending +
triangular +
umbel-like +
short-pedicellate +
1 cm10 mm <br />0.01 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
Schott agave +
fibrous-rooted +
Ariz. +, N.Mex. +  and Mexico (Sonora) +
900–2000 m +
filiform +
pubescent +  and glabrous +
0.6 cm6 mm <br />0.006 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
recurved +  and erect +
loculicidal +
oblong +  and ovoid +
Gravelly to rocky places, mostly in desert scrub, grasslands, juniper and oak woodlands +
paniculate +  and racemose +
pseudopetiolate +, sessile +  and simple +
40 cm400 mm <br />0.4 m <br /> (50 cm500 mm <br />0.5 m <br />) +
evergreen +
20cm;40cm +
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
erect +  and incurved +
1.1 cm11 mm <br />0.011 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
dentate +, serrulate +  and entire +
Fleshy (?) +, Firm (?) +  and Rigid (?) +
constricted +
0.3 cm3 mm <br />0.003 m <br /> (?) +  and 0.9 cm9 mm <br />0.009 m <br /> (?) +
cylindrical +, ovoid +  and 3-angled +
0.8 cm8 mm <br />0.008 m <br /> (?) +  and 1.5 cm15 mm <br />0.015 m <br /> (?) +
succulent +
not +  and articulate +
umbel-like +
2 cm20 mm <br />0.02 m <br /> (?) +
1.1 cm11 mm <br />0.011 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
semisucculent +
Flowering late spring–late summer. +
Trans. Acad. Sci. St. Louis +
cespitose +  and solitary +
160 cm1,600 mm <br />1.6 m <br /> (250 cm2,500 mm <br />2.5 m <br />) +
globose +, obovoid +  and flattened +
grayish +  and brown +
acicular +
0.8 cm8 mm <br />0.008 m <br /> (1.9 cm19 mm <br />0.019 m <br />) +
semiwoody +
branched +, , +  and unbranched +
aboveground +
3 +  and 1 +
papillate +
exserted +  and included +
subulate +
Agave schottii var. schottii +
Agave schottii +
variety +
1.1 cm11 mm <br />0.011 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
5mm;8mm +
plant +  and suckering +
polycarpic +  and monocarpic +
small;gigantic +
petal-like +