Atriplex nummularia

Lindley in T. L. Mitchell

in T. L. Mitchell, J. Exped. Trop. Australia, 64. 1848.

Common names: Old man saltbush
Introduced
Synonyms: Atriplex johnstonii C. B. Wolf
Treatment appears in FNA Volume 4. Treatment on page 343. Mentioned on page 331.

Shrubs, semidioecious, mainly (15–) 20–30 dm, with striated twigs. Leaves mostly alternate, short petiolate; blade broadly ovate, rhombic to suborbiculate, (15–) 30–65 mm, about as wide, thick, base cuneate, margin sinuate-dentate, apex obtuse to rounded. Staminate flowers crowded in glomerules on short or elongate, interrupted spikes in large paniculate clusters to 20 cm. Pistillate flowers in dense, compound panicles, or axillary, or along staminate panicle branches. Fruiting bracteoles sessile, reticulately veined, rhombic to orbiculate, 5–12 (–15) × 5–11 mm, papery all over or thick and corky, margin subentire to coarsely few-toothed. Seeds brown, 2 mm wide.


Phenology: Flowering summer–fall.
Habitat: Sandy coastal bluffs, disturbed sites such as roadsides
Elevation: 0-2300 m

Distribution

V4 655-distribution-map.gif

Introduced; Ariz., Calif., Mexico, Australia

Discussion

Atriplex nummularia is a rather coarse, broad-leaved, vigorous shrub, which has spread from some early introduction from Australia, possibly for use in stabilizing land.

Selected References

None.

Lower Taxa

None.

"thick" is not a number.

... more about "Atriplex nummularia"
Obtuse (?) +  and Rounded (?) +
thick;wide +
Stanley L. Welsh +
Lindley in T. L. Mitchell +
slippery +
aromatic +
obtuse +  and rounded +
thick;wide +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
cuneate +, rhombic +  and suborbiculate +
3 cm30 mm <br />0.03 m <br /> (6.5 cm65 mm <br />0.065 m <br />) +
persistent +  and deciduous +
reddish-brown +, black +, brown +  and green +
ovoid +  and fan-shaped or subcircular +
3-5-parted +
Old man saltbush +
Ariz. +, Calif. +, Mexico +  and Australia +
0-2300 m +
tuberculate +  and smooth +
pistillate +  and staminate +
unisexual +  and bisexual +
not +  and connate +
enlarged +
Sandy coastal bluffs, disturbed sites such as roadsides +
bladderlike +
terminal +  and axillary +
deciduous +  and persistent +
not winged +  and winged +
entire +  and serrate +
subentire +  and coarsely few-toothed +
thick;wide +
inferior +, half-inferior +  and superior +
crassinucellate +  and bitegmic +
campylotropous +
1 +  and single +
persistent +  and deciduous +
(1-)3-5-lobed +
papery +  and chartaceous +
Flowering summer–fall. +
in T. L. Mitchell, J. Exped. Trop. Australia, +
bulbous +  and taprooted +
fusiform +
fleshy +  and fibrous +
verrucate +  and striate +
flattened +
2 cm20 mm <br />0.02 m <br /> (?) +
Introduced +
elongate +
3 (?) +  and 5 (?) +
opposite +  and alternate +
succulent +
sessile +  and petiolate +
reduced;small +
horizontal +  and vertical +
verrucate +
Atriplex johnstonii +
Atriplex nummularia +
Atriplex sect. Dialysex +
species +
dicotyledonous +
veined +  and sessile +
rhombic;orbiculate +
variously prostrate;ascending +