familyAgavaceae
genusAgave
speciesAgave utahensis
subspeciesAgave utahensis subsp. utahensis
varietyAgave utahensis var. eborispina

Agave utahensis var. eborispina

(Hester) Breitung

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

James L. Reveal, Wendy C. Hodgson
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

Distribution

V26 934-distribution-map.jpg

Calif., Nev.

Discussion

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

... more about "Agave utahensis var. eborispina"
RDF feed
3-locular life cycle
anthesis +
Anther arrangement or course or shape
linear +
Anther coloration
pale-yellow +
Anther dehiscence
longitudinal +
Anther fixation
versatile +
Anther some measurement
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 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
ivory white +
Apical spine fragility or size
stout +
Apical spine shape
acicular +
Apical spine size
stout +  and slender +
Apical spine some measurement
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
Author
James L. Reveal +  and Wendy C. Hodgson +
Authority
(Hester) Breitung +
Basionyms
Agave eborispina +
Blade architecture
armed +  and filiferous +
Blade coloration
grayish green +  and yellowish green or green +
Blade fragility
stiff +
Blade pubescence
glaucous +
Blade shape
convex +, concave +, plane +  and lanceolate +
Blade size or length
short to long +
Blade texture
fibrous +, succulent +  and rigid +
Bract architecture or shape
leaflike +
Bract duration
caducous +
Bract orientation
reflexed +, erect +  and ascending +
Bract shape
triangular +
Bract some measurement
4 cm40 mm <br />0.04 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Branch arrangement
cluster +
Branch quantity
2;40 +
Branch shape
umbel-like +
Capsule architecture
pedicellate +
Capsule shape
oblong +  and ovoid +
Capsule some measurement
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Common name
Ivory-spined agave +
Crown architecture
fibrous-rooted +
Crown width
thick +
Distribution
Calif. +  and Nev. +
Elevation
1100–1900 m +
Filament coloration
white +
Filament orientation
erect +
Filament position
inserted +
Filament pubescence
pubescent +  and glabrous +
Filament relief
papillose +
Filament shape
filiform +
Filament some measurement
1.3 cm13 mm <br />0.013 m <br /> (2.4 cm24 mm <br />0.024 m <br />) +
Filament texture
succulent +
Filament width
broadened +
Flower architecture
6-merous +
Flower arrangement
singly +
Flower orientation
recurved +  and erect +
Flower prominence
showy +
Flower quantity
2;8 +
Flower reproduction
protandrous +
Fruit architecture
capsular +
Fruit dehiscence
loculicidal +
Fruit shape
oblong +  and ovoid +
Fruit texture
fleshy +
Habitat
Calcareous outcrops with desert scrub +
Illustration copyright
Flora of North America Association +
Illustrator
Bee F. Gunn +
Inflorescence architecture
spicate +
Inflorescence arrangement
paniculate +  and racemose +
Inflorescence density
dense +
Inflorescence position or shape
distal +
Inflorescence position or structure subtype
terminal +
Inflorescence quantity
1/2 +  and 2/3 +
Inflorescence size
huge +
Lateral branch orientation
horizontal +  and slightly ascending +
Lateral branch some measurement
10 cm100 mm <br />0.1 m <br /> (?) +
Leaf architecture
pseudopetiolate +, sessile +  and simple +
Leaf duration
evergreen +
Leaf length
15 cm150 mm <br />0.15 m <br /> (30 cm300 mm <br />0.3 m <br />) +
Leaf orientation
ascending +
Leaf position
cauline +
Leaf width
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Limb lobe arrangement
connivent +
Limb lobe course
curved +
Limb lobe orientation
erect +
Limb lobe size
subequal +
Limb lobe some measurement
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Limb lobe variability
equal +
Longer lateral branch some measurement
0.5 cm5 mm <br />0.005 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Margin architecture
horny +, armed +  and nonfiliferous +
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 +
Marginal tooth arrangement
apart +
Marginal tooth atypical some measurement
1.2 cm12 mm <br />0.012 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Marginal tooth some measurement
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Neck atypical some measurement
0.85 cm8.5 mm <br />0.0085 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Neck size
constricted +
Neck some measurement
0.35 cm3.5 mm <br />0.0035 m <br /> (?) +  and 0.85 cm8.5 mm <br />0.0085 m <br /> (?) +
Number of lower taxa
0 +
Ovary architecture or structure in adjective form
1-locular +  and 3-locular +
Ovary coloration
greenish +
Ovary placentation
parietal +
Ovary position
inferior +
Ovary shape
cylindrical +, ovoid +  and 3-angled +
Ovary some measurement
1.2 cm12 mm <br />0.012 m <br /> (?) +  and 2.2 cm22 mm <br />0.022 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 coloration
yellow +
Perianth shape
tubular +
Perianth texture
semisucculent +
Phenology
Flowering late winter–spring. +
Publication title
Cact. Succ. J. (Los Angeles) +
Publication year
1960 +
Reference
None +
Rosette growth form
cespitose +  and solitary +
Rosette texture
succulent +
Scape some measurement
200 cm2,000 mm <br />2 m <br /> (400 cm4,000 mm <br />4 m <br />) +
Seed coloration
black +
Seed quantity
1;3 +
Seed shape
globose +, obovoid +  and flattened +
Seed some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V26/V26 934.xml +
Special status
Endemic +
Spine height or length or size
short +
Spine length or size
long +
Stalk texture
semiwoody +
Stamen fixation
attached +
Stamen position
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 utahensis var. eborispina +
Taxon parent
Agave utahensis subsp. utahensis +
Taxon rank
variety +
Tepal fusion
connate +
Tepal quantity
6 +
Tooth arrangement
apart +
Tooth atypical some measurement
1.2 cm12 mm <br />0.012 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Tooth presence
absent +
Tooth quantity
Single (?) +
Tooth some measurement
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Tube length
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Tube shape
campanulate +
Tube width
6.5mm;11.5mm +
Volume
Volume 26 +
Whole organism architecture
acaulescent +
Whole organism duration
perennial +
Whole organism growth form
plant +, not +  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 +