Atriplex wolfii

S. Watson

Proc. Amer. Acad. Arts 9: 112. 1874.

Common names: Slender orach
Endemic
Synonyms: Obione wolfii (S. Watson) Ulbrich
Treatment appears in FNA Volume 4. Treatment on page 355. Mentioned on page 328, 329.

Herbs, slender, delicate. Stems simple or more commonly branched throughout, mainly 0.7–3.5 dm, branches terete; herbage scurfy. Leaves: blade concolorous, linear to narrowly lanceolate, mainly 4–25 × 1–3 mm. Flowers very small, both sexes in the same sessile, axillary clusters. Staminate flowers: sepals 5. Fruiting bracteoles sessile, ovate to cuneate in outline, 1.5–2.7 × 1.1–2.1 mm, apex truncate to attenuate, faces smooth or tuberculate. Seeds brown, 1–2 mm.

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Fruiting bracteoles with lateral distalmost lobes much larger and broader than median one; sc Colorado Atriplex wolfii var. wolfii
1 Fruiting bracteoles with distalmost lobe typically but not always larger and broader than any lateral lobes, comprising much of bract length; nw Colorado, sw Wyoming, and c to ne Utah. Atriplex wolfii var. tenuissima

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

... more about "Atriplex wolfii"
subsessile +, sessile +  and monomorphic +
Stanley L. Welsh +
S. Watson +
slippery +
aromatic +
Wolfianae +
concolorous +
0.4 cm4 mm <br />0.004 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
linear +  and narrowly lanceolate +
1mm;3mm +
persistent +  and deciduous +
reddish-brown +, black +, brown +  and green +
0 +  and 1/2 +
cuneate +  and ovate or obovate +
3-5-parted +
Slender orach +
Colo. +, Utah +  and Wyo. +
tuberculate +  and smooth +
rarely +  and lacking +
unisexual +  and bisexual +
not +  and connate +
enlarged +
bladderlike +
terminal +  and axillary +
deciduous +  and persistent +
not winged +  and winged +
entire +  and serrate +
lobed +  and serrate-dentate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.27 cm2.7 mm <br />0.0027 m <br />) +
ovate +  and cuneate +
0.11 cm1.1 mm <br />0.0011 m <br /> (0.21 cm2.1 mm <br />0.0021 m <br />) +
inferior +, half-inferior +  and superior +
crassinucellate +  and bitegmic +
campylotropous +
1 +  and single +
persistent +  and deciduous +
(1-)3-5-lobed +
papery +  and chartaceous +
Proc. Amer. Acad. Arts +
bulbous +  and taprooted +
fusiform +
fleshy +  and fibrous +
verrucate +  and striate +
flattened +
cylindric +
3 (?) +  and 5 (?) +
branched +  and simple +
opposite +  and alternate +
succulent +
sessile +  and petiolate +
reduced;small +
horizontal +  and vertical +
verrucate +
Obione wolfii +
Atriplex wolfii +
Atriplex subsect. Wolfianae +
species +
dicotyledonous +