Agave utahensis Engelm.

• Region

  North America

• Country

  United States of America

• State/Province

  Arizona

• County/Municipio

  Coconino Co.

• Locality

  Grand Canyon National Park, off Tanner Trail, ca 1/4 mile down and north of trailhead,

• Elevation

  Alt. 2072 m. (6798 ft.)

• Coordinates

  36.0339, -111.83

• Distribution

  Map all specimens of this taxon

AGAVACEAE OF ARIZONA
Agave utahensis Engelmann
ssp. kaibabensis (McKelvey) Gentry
COCONINO COUNTY. 
Grand Canyon National Park, off Tanner Trail, ca 1/4 mile down and north of trailhead,
in Kaibab limestone formation, 36DEG
02'02" N lat, 111DEG 49'48" W long,
6800 ft, 2072 m.
N-facing cliff edge, with Shepherdia
rotundifolia, Ephedra, Artemesia
ludoviciana, Penstemon rostriflorus,
Opuntia polyacantha, Juniperus
scopulorum, Pinus edulis,
Psilostrophe, Yucca baccata,
Penstemon palmeri, P. barbatus.
Infrequent, rosette single, leaves
dense, deep green, heavily armed,
inflorescence 5.5 m tall, 12-13 cm
diam, peduncles going almost 2/3 down
stalk, ovary and tube light yellow-
chartreuse, inside white, tepals
light yellow, strongly clasping,
filaments and style white, filaments
strongly divergent out of tepals,
anthers dark yellow? meas. after
Gentry (1982), in mm, during (first
meas.) , post-dehiscent (2nd meas.) :
tl=29, n=7, 0=9x5, tu=2.5xl0,
tep=10x5 (outer), 10x7 (inner), fi
ins at base of tube, fil-22, a=3+2,
sty=18, not receptive? tl=29, n=6,
0=10x5.5, tu=3xl0, tep=12x5, 11x7, fi
ins at base of tube, fil =21, a=3+2,
sty=20, not receptive.
Wendy Hodgson 73 64
2 July 1993
Herbarium of Desert Botanical Garden
(DES)
03781093