Atriplex suberecta |
Atriplex cordulata |
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peregrine saltbush, sprawling saltbush |
heart-leaf orach, heartscale |
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Habit | Herbs, annual or perennial, sprawling to ascending, 2–6 dm, branching from densely scaly base. | Herbs, erect, simple, oppositely or alternately branched from base and sparingly so distally, rigid, scurfy, 1–5 dm. | ||||
Stems | slender to rather coarse, initially erect-ascending, finally spreading-ascending, scurfy when young. |
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Leaves | mostly alternate, shortly petiolate; blade narrow to broadly rhomboid, lanceolate, oblanceolate, or elliptic, (8–)12–35(–42) × 6–16 mm, thin, margin coarsely and irregularly dentate, glabrescent adaxially, somewhat scurfy abaxially. |
alternate except proximalmost ones, blade ovate to cordate-ovate, 5–15(–20) × 3–10(–13) mm; base mostly cordate (to rounded), margin entire or denticulate, apex acute to attenuate, thickish and scurfy-tomentose. |
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Flowers | of both sexes mixed in small axillary clusters. |
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Staminate flowers | in subterminal, axillary glomerules. |
in glomerules in distal axils, 4–5-merous. |
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Pistillate flowers | in axillary glomerules. |
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Seeds | circular. |
deep red-brown, 1.5–1.8 mm. |
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Fruiting | bracteoles sessile or on the stipe to 0.5 mm, rhombic to obovate, almost flat to convex, 2.2–4 × 1.7–2.7 mm, thin or somewhat thickened in age, connate in basal 1/2, margin entire in basal 1/2, 2–4-toothed in distal 1/2, apex acute, scurfy. |
bracteoles sessile or subsessile, round-ovate (semi-orbiculate) to deltoid-rhombic or flabellate, slightly compressed, 3–5 mm and as broad, united to middle, deeply toothed, margin with acute teeth, terminal tooth subequal to others or largest, thin and soft at margin, hard at center, scarcely though sometimes tuberculate on faces. |
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2n | = 18. |
= 36, 54. |
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Atriplex suberecta |
Atriplex cordulata |
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Phenology | Flowering summer–fall. | |||||
Habitat | Disturbed places, with other ruderal weeds | |||||
Elevation | 10-900 m (0-3000 ft) | |||||
Distribution |
CA; UT; Australia; naturalized South Africa [Introduced in North America]
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CA
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 4, p. 343. | FNA vol. 4, p. 358. | ||||
Parent taxa | Chenopodiaceae > Atriplex > subg. Atriplex > sect. Semibaccata | Chenopodiaceae > Atriplex > subg. Obione > sect. Obione > subsect. Pusillae | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | Obione cordulata | |||||
Name authority | I. Verdoorn: Bothalia 6: 418, figs. 2, 3(2). (1954) | Jepson: Pittonia 2: 304. (1892) | ||||
Web links |