Agave mckelveyana

Gentry

Cact. Succ. J. (Los Angeles) 42: 225, figs. 4–6. 1970

Common names: McKelvey agave
Treatment appears in FNA Volume 26. Treatment on page 459. Mentioned on page 446.
Plants acaulescent, solitary or sparsely suckering; rosettes 2–4.5 × 3–6 dm, rather open. Leaves spreading, broadest at middle, 17.5–40 × 2.8–5 cm; blade light glaucous green or yellowish green to dark green, usually cross-zoned, linear-lanceolate to lanceolate, rigid, adaxially concave, abaxially convex; margins straight or undulate to crenate, armed, teeth single, firmly attached, well defined, 4–8 mm, 1–3 cm apart; apical spine reddish brown to gray, subulate, 1.5–4 cm. Scape 2–5 m. Inflorescences paniculate, not bulbiferous, open; bracts persistent, triangular, 0.5–2 cm; lateral branches 10–19, ascending, comprising distal (1/4–)1/3–1/2 of inflorescence, longer than 10 cm. Flowers 6–12 per cluster, erect, 3–4 cm; perianth light yellow, tube shallow, broadly campanulate, 2–4.5 × 8–10.5(–18) mm, limb lobes wilting soon after anthesis, spreading, equal or subequal, 11–13 mm; stamens long-exserted; filaments inserted near or at top of perianth tube, erect, yellow, 2.5–3.3 cm; anthers yellow, (7–)9–16 mm; ovary 1.6–2.2 cm, neck slightly constricted, 1–2.5 mm. Capsules short-pedicellate, narrowly oblong to oblong, 3–4.5 cm, apex beaked. Seeds 5–6.5 mm.

Phenology: Flowering mid spring–mid summer.
Habitat: Sandy to gravelly or rocky places with desert scrub, chaparral and pinyon-juniper woodlands
Elevation: 800–2200 m

Discussion

Agave mckelveyana may hybridize with A. deserti var. simplex and A. utahensis var. utahensis in Arizona.

References

None.

Lower Taxa

No lower taxa listed.

Facts about "Agave mckelveyana"
AuthorJames L. Reveal + and Wendy C. Hodgson +
AuthorityGentry +
Common nameMcKelvey agave +
DistributionAriz. +
Elevation800–2200 m +
HabitatSandy to gravelly or rocky places with desert scrub, chaparral and pinyon-juniper woodlands +
IllustratorBee F. Gunn +
PhenologyFlowering mid spring–mid summer. +
Publication titleCact. Succ. J. (Los Angeles) +
Publication year1970 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse grained fna xml/V26/V26 961.xml +
Taxon familyAgavaceae +
Taxon nameAgave mckelveyana +
Taxon parentAgave +
Taxon rankspecies +
VolumeVolume 26 +