familyAgavaceae
genusAgave
speciesAgave parryi
subspeciesAgave parryi subsp. parryi
varietyAgave parryi var. couesii

Agave parryi var. couesii

(Engelmann ex Trelease) Kearney & Peebles

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

James L. Reveal, Wendy C. Hodgson
Common names: Coues agave
Endemic
Basionym: 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

Distribution

V26 955-distribution-map.jpg

Ariz.

Discussion

Variety couesii hybridizes with A. chrysantha in Arizona.

Selected References

None.

Lower Taxa

None.

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

... more about "Agave parryi var. couesii"
RDF feed
2n chromosome quantity
120 +
3-locular life cycle
anthesis +
Anther arrangement or course or shape
linear +
Anther coloration
yellow +
Anther dehiscence
longitudinal +
Anther fixation
versatile +
Anther some measurement
1.2 cm12 mm <br />0.012 m <br /> (3.4 cm34 mm <br />0.034 m <br />) +
Apex architecture
hooded +
Apex architecture or shape
beaked +
Apex character
width +  and length +
Apex fragility
pliable +
Apex odor or shape
pungent +
Apex orientation
recurved +
Apex pubescence
glandular-pubescent +  and glandular +
Apex relief
papillate +
Apex shape
linear +  and oblong or deltate +
Apex texture
rigid +
Apical spine coloration
dark-brown +  and gray +
Apical spine shape
acicular +
Apical spine some measurement
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Author
James L. Reveal +  and Wendy C. Hodgson +
Authority
(Engelmann ex Trelease) Kearney & Peebles +
Basionyms
Agave couesii +
Blade architecture
armed +  and filiferous +
Blade coloration
not cross-zoned +, glaucous-gray +  and light green +
Blade fragility
pliable +
Blade pubescence
glaucous +
Blade shape
ovate +
Blade size or length
short to long +
Blade texture
rigid +
Bract architecture or shape
leaflike +
Bract duration
persistent +
Bract orientation
reflexed +, erect +  and ascending +
Bract shape
triangular +
Bract some measurement
3 cm30 mm <br />0.03 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Branch arrangement
cluster +
Branch quantity
2;40 +
Branch shape
umbel-like +
Capsule architecture
short-pedicellate +
Capsule shape
oblong +  and obovoid +
Capsule some measurement
3.5 cm35 mm <br />0.035 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Common name
Coues agave +
Crown architecture
fibrous-rooted +
Crown width
thick +
Distribution
Ariz. +
Elevation
1100–2100 m +
Filament coloration
green +  and yellow +
Filament orientation
erect +
Filament pubescence
pubescent +  and glabrous +
Filament relief
papillose +
Filament shape
filiform +
Filament some measurement
0.33 cm3.3 mm <br />0.0033 m <br /> (0.44 cm4.4 mm <br />0.0044 m <br />) +
Filament texture
succulent +
Filament width
broadened +
Flower architecture
6-merous +
Flower arrangement
singly +
Flower atypical some measurement
5.5 cm55 mm <br />0.055 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Flower orientation
recurved +  and erect +
Flower prominence
showy +
Flower quantity
27;48 +
Flower reproduction
protandrous +
Flower some measurement
4.3 cm43 mm <br />0.043 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
Fruit architecture
capsular +
Fruit dehiscence
loculicidal +
Fruit shape
oblong +  and ovoid +
Fruit texture
fleshy +
Habitat
Gravelly places in grasslands, chaparral, pinyon-juniper, and oak woodlands +
Illustration copyright
Flora of North America Association +
Illustrator
Bee F. Gunn +
Inflorescence architecture
not bulbiferous +  and open +
Inflorescence arrangement
paniculate +
Inflorescence density
dense +
Inflorescence position or shape
distal +
Inflorescence position or structure subtype
terminal +
Inflorescence quantity
1/2 +
Inflorescence size
huge +
Lateral branch atypical quantity
7 (10) +
Lateral branch orientation
horizontal +  and slightly ascending +
Lateral branch quantity
20;36 +
Lateral branch some measurement
10 cm100 mm <br />0.1 m <br /> (?) +
Leaf architecture
pseudopetiolate +, sessile +  and simple +
Leaf atypical length
42 cm420 mm <br />0.42 m <br /> (47 cm470 mm <br />0.47 m <br />) +
Leaf atypical width
4.5 cm45 mm <br />0.045 m <br /> (6.5 cm65 mm <br />0.065 m <br />) +
Leaf duration
evergreen +
Leaf length
25 cm250 mm <br />0.25 m <br /> (42 cm420 mm <br />0.42 m <br />) +
Leaf orientation
ascending +  and erect +
Leaf position
cauline +
Leaf width
6.5 cm65 mm <br />0.065 m <br /> (11 cm110 mm <br />0.11 m <br />) +
Limb lobe atypical width
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Limb lobe course
curved +
Limb lobe length
1.3 cm13 mm <br />0.013 m <br /> (2.7 cm27 mm <br />0.027 m <br />) +
Limb lobe orientation
erect +
Limb lobe size
unequal +
Limb lobe some measurement
1.3 cm13 mm <br />0.013 m <br /> (2.1 cm21 mm <br />0.021 m <br />) +
Limb lobe variability
equal +
Limb lobe width
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Margin architecture
unarmed +
Margin architecture or shape
dentate +, serrulate +  and entire +
Margin coloration
white +
Margin course
straight +
Margin shape
undulate +
Margin texture
fleshy +, firm +  and rigid +
Margin width
thick +
Neck size
constricted +
Neck some measurement
0.4 cm4 mm <br />0.004 m <br /> (?) +  and 0.9 cm9 mm <br />0.009 m <br /> (?) +
Number of lower taxa
0 +
Ovary architecture or structure in adjective form
1-locular +  and 3-locular +
Ovary atypical some measurement
4.5 cm45 mm <br />0.045 m <br /> (4.8 cm48 mm <br />0.048 m <br />) +
Ovary coloration
greenish +
Ovary neck some measurement
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Ovary placentation
parietal +
Ovary position
inferior +
Ovary shape
cylindrical +, ovoid +  and 3-angled +
Ovary some measurement
2 cm20 mm <br />0.02 m <br /> (?) +  and 3.4 cm34 mm <br />0.034 m <br /> (?) +
Ovary texture
succulent +
Ovule quantity
numerous +
Pattern architecture
entire +
Pattern coloration
lighter +
Pedicel architecture
not +  and articulate +
Pedicel fusion
distinct +
Pedicel presence
absent +
Peduncle arrangement
cluster +
Peduncle quantity
2;40 +
Peduncle shape
umbel-like +
Perianth-tube distance
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Perianth-tube filament some measurement
3.3 cm33 mm <br />0.033 m <br /> (5.8 cm58 mm <br />0.058 m <br />) +
Perianth coloration
yellow +, pink +  and red +
Perianth shape
tubular +
Perianth texture
semisucculent +
Phenology
Flowering late spring–early summer. +
Publication title
J. Wash. Acad. Sci. +
Publication year
1939 +
Reference
None +
Rosette architecture
open +
Rosette density
dense +
Rosette growth form
cespitose +  and solitary +
Rosette shape
globose +
Rosette texture
succulent +
Scape atypical some measurement
200 cm2,000 mm <br />2 m <br /> (300 cm3,000 mm <br />3 m <br />) +
Scape some measurement
400 cm4,000 mm <br />4 m <br /> (600 cm6,000 mm <br />6 m <br />) +
Seed coloration
black +
Seed quantity
1;3 +
Seed shape
globose +, obovoid +  and flattened +
Seed some measurement
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V26/V26 955.xml +
Special status
Endemic +
Spine height or length or size
short +
Spine length or size
long +
Stalk texture
semiwoody +
Stamen fixation
attached +
Stamen position
long-exserted +
Stamen quantity
6 +
Stem architecture
branched +, , +  and unbranched +
Stem location
aboveground +
Stigma architecture or function or pubescence
glandular +
Stigma architecture or shape
capitate +
Stigma quantity
3 +  and 1 +
Stigma relief
papillate +
Stigma shape
3-lobed +
Style position
exserted +  and included +
Style shape
subulate +
Taxon family
Agavaceae +
Taxon name
Agave parryi var. couesii +
Taxon parent
Agave parryi subsp. parryi +
Taxon rank
variety +
Tepal fusion
connate +
Tepal quantity
6 +
Tooth arrangement
apart +
Tooth atypical some measurement
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Tooth prominence
defined +
Tooth quantity
Single (?) +
Tooth some measurement
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Tube length
0.6 cm6 mm <br />0.006 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
Tube shape
campanulate +
Tube some measurement
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Tube width
11mm;21mm +
Volume
Volume 26 +
Whole organism architecture
acaulescent +
Whole organism duration
perennial +
Whole organism growth form
plant +  and suckering +
Whole organism habitat
epiphytic +
Whole organism life cycle
flowering +
Whole organism reproduction
polycarpic +  and monocarpic +
Whole organism size
small;gigantic +
Whorl quantity
2 +
Whorl shape
petal-like +
X chromosome quantity
30 +
Year quantity
8;20 +