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 1/2 mile down and north of trailhead, in Kaibab limestone formation

• Elevation

  Alt. 1950 m. (6398 ft.)

• Coordinates

  36.0353, -111.833

• Distribution

  Map all specimens of this taxon

A6AVACEAE OF ARIZONA
Aaave utahensis Engelmann fereiton^
?ssp. kaibabensis (McKelvey) Gentry-
V<x.r .
COCONINO COUNTY. 
Grand Canyon National Park, off Tanner Trail, ca 1/2 mile down and north of trailhead, in Kaibab limestone formation
36DEG
02'07” N lat, 111DEG 50'00" W long,
6400 ft, 1950 m.
E-facing cliff-slope, with Shepherdia
rotundifolia, Ephedra, Artemesia
ludoviciana, Penstemon, Opuntia
polyacantha, Juniperus scopulorum,
Pinus edulis, Psilostrophe, Yucca
baccata, Penstemon palmeri, P.
barbatus. Infrequent, rosette
single, leaves dense, deep green,
inflorescence 5.5 m tall, 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.) , just pre-dehiscent
(2nd meas.): tl=26, n=4, o=9.5x4.5,
tu=2x9.5, tep=10x5 (outer), 9x4.5
(inner) , fi ins at base of tube, fil-
17, a=5+4, sty=16, not receptive?
tl=27, n=4.5, 0=10x4.5, tu=2.5x9,
tep=llx3, 9x3.5, fi ins at base of
tube, fil =14, a=5+4, sty=22, not
receptive.
Wendy Hodgson 7363
2 July 1993
Herbarium of Desert Botanical Garden
(DES)
03781090