Atriplex lentiformis
Atriplex fruticulosa
big saltbrush, big saltbush, quail bush
ball saltbush, ballscale, little oak orach
simple or much branched, scurfy, finally glabrate.
persistent, alternate, petiolate;
blade gray-green, deltate to rhombic, ovate, or oblong-elliptic, 5–50 × 5–50 mm, base truncate to subhastate, margin entire to repand or subhastately lobed, apex rounded to obtuse, scurfy.
numerous, proximal ones mostly short petiolate, distal ones sessile;
blade narrowly lanceolate to elliptic, 5–15(–20) × 2–4 mm, mostly acute at both ends, margin entire, densely gray scurfy.
yellow, in clusters 1–2 mm wide, borne in panicles 0.5–5 dm.
in short, dense, interrupted terminal spikes.
with less complex panicles.
in small, axillary clusters.
brown, 0.8–1.6 mm wide.
dark brown, 1.4–1.7 mm.
bracteoles sessile, orbiculate to oval, greatly compressed, mainly 3–4.5 mm and wide, crenulate, apex rounded.
bracteoles sessile or subsessile, broadly obovate to suborbicular in profile, slightly if at all compressed, 3–5 mm and almost as wide, united to middle, narrowly margined and acutely dentate beyond middle, sides tooth-crested or muricate, ± indurate.
= 18.
Atriplex lentiformis
Atriplex fruticulosa
Materials of big saltbush from the coastal and near coastal regions of California have somewhat broader, merely ovate, rounded leaves, and they have been regarded either at species level as Atriplex breweri S. Watson or at either varietal or subspecific level (see synonymy). The plants intergrade completely in interior situations with typical A. lentiformis, and their recognition at taxonomic level seems superfluous. C. A. Hanson (1962) noted the existence of putative hybrids between A. lentiformis and the herbaceous species A. leucophylla and A. davidsonii. Putative hybrids are also known between this species and A. canescens.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
H. M. Hall and F. E. Clements (1923) indicated a close relationship between Atriplex fruticulosa and A. coulteri. Both species are described as being perennial by D. Taylor and D. H. Wilken (1993), wherein A. coulteri was inadvertently left out of the key. Perhaps the size of the fruiting bracteoles, 3–5 mm in A. fruticulosa and 2–3 mm in A. coulteri, is diagnostic. Hall and Clements pointed to differences in habit of the plant, which vary from the erect woody forms represented by the type collection (and known only from them?) to the evidently more common phase in which the leafy stems are spreading or prostrate, and herbaceous throughout except at the very base, where they are attached to a more or less woody root crown.
In some fruiting bracteoles the faces are bicristate as in the thornberi phase of Atriplex elegans, in which the teeth radiate around much of the bracteole margin, not mainly from above the middle as in the present species.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
CA
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