Agave parryi var. couesii

(Engelmann ex Trelease) Kearney & Peebles

J. Wash. Acad. Sci. 29: 474. 1939.

Common names: Coues agave
Endemic
Basionyms: Agave couesii Engelmann ex Trelease Rep. (Annual) Missouri Bot. Gard. 22: 94, plates 94–97. 1911
Treatment appears in FNA Volume 26. Treatment on page 458. Mentioned on page 457, 460.

Rosettes 3.5–5.5 × 4–6.5 dm. Leaves 25–42 (–47) cm × 6.5–11 cm; blade ovate. Flowers 4.3–5.5 (–6) cm; perianth-tube 6–9 mm, limb lobes 13–21 mm; filaments 3.3–4.4 mm; ovary 2–3.4 cm. 2n = 120.


Phenology: Flowering late spring–early summer.
Habitat: Gravelly places in grasslands, chaparral, pinyon-juniper, and oak woodlands
Elevation: 1100–2100 m

Discussion

Variety couesii hybridizes with A. chrysantha in Arizona.

Selected References

None.

Lower Taxa

None.

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

... more about "Agave parryi var. couesii"
longitudinal +
1.2 cm12 mm <br />0.012 m <br /> (3.4 cm34 mm <br />0.034 m <br />) +
width +  and length +
glandular-pubescent +  and glandular +
papillate +
dark-brown +  and gray +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
James L. Reveal +  and Wendy C. Hodgson +
(Engelmann ex Trelease) Kearney & Peebles +
Agave couesii +
armed +  and filiferous +
not cross-zoned +, glaucous-gray +  and light green +
short to long +
thick +  and thin +
persistent +
reflexed +, erect +  and ascending +
triangular +
umbel-like +
short-pedicellate +
oblong +  and obovoid +
3.5 cm35 mm <br />0.035 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Coues agave +
fibrous-rooted +
1100–2100 m +
green +  and yellow +
pubescent +  and glabrous +
0.33 cm3.3 mm <br />0.0033 m <br /> (0.44 cm4.4 mm <br />0.0044 m <br />) +
5.5 cm55 mm <br />0.055 m <br /> (6 cm60 mm <br />0.06 m <br />) +
recurved +  and erect +
4.3 cm43 mm <br />0.043 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
loculicidal +
oblong +  and ovoid +
Gravelly places in grasslands, chaparral, pinyon-juniper, and oak woodlands +
not bulbiferous +  and open +
horizontal +  and slightly ascending +
10 cm100 mm <br />0.1 m <br /> (?) +
pseudopetiolate +, sessile +  and simple +
42 cm420 mm <br />0.42 m <br /> (47 cm470 mm <br />0.47 m <br />) +
4.5 cm45 mm <br />0.045 m <br /> (6.5 cm65 mm <br />0.065 m <br />) +
evergreen +
25cm;42cm +
6.5 cm65 mm <br />0.065 m <br /> (11 cm110 mm <br />0.11 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
1.3 cm13 mm <br />0.013 m <br /> (2.7 cm27 mm <br />0.027 m <br />) +
1.3 cm13 mm <br />0.013 m <br /> (2.1 cm21 mm <br />0.021 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
dentate +, serrulate +  and entire +
undulate +
Fleshy (?) +, Firm (?) +  and Rigid (?) +
constricted +
0.4 cm4 mm <br />0.004 m <br /> (?) +  and 0.9 cm9 mm <br />0.009 m <br /> (?) +
4.5 cm45 mm <br />0.045 m <br /> (4.8 cm48 mm <br />0.048 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
cylindrical +, ovoid +  and 3-angled +
2 cm20 mm <br />0.02 m <br /> (?) +  and 3.4 cm34 mm <br />0.034 m <br /> (?) +
succulent +
not +  and articulate +
umbel-like +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
3.3 cm33 mm <br />0.033 m <br /> (5.8 cm58 mm <br />0.058 m <br />) +
Yellow (?) +, Pink (?) +  and Red (?) +
semisucculent +
Flowering late spring–early summer. +
J. Wash. Acad. Sci. +
cespitose +  and solitary +
200 cm2,000 mm <br />2 m <br /> (300 cm3,000 mm <br />3 m <br />) +
400 cm4,000 mm <br />4 m <br /> (600 cm6,000 mm <br />6 m <br />) +
globose +, obovoid +  and flattened +
semiwoody +
long-exserted +
branched +, , +  and unbranched +
aboveground +
3 +  and 1 +
papillate +
exserted +  and included +
subulate +
Agave parryi var. couesii +
Agave parryi subsp. parryi +
variety +
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
campanulate +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
11mm;21mm +
plant +  and suckering +
polycarpic +  and monocarpic +
small;gigantic +
petal-like +