Atriplex leucophylla |
Atriplex pacifica |
|
---|---|---|
beach saltbush, sea scale, whiteleaf orach |
Davidson's saltbush, Pacific orach, south coast saltbush, south coast saltscale |
|
Habit | Herbs, prostrate (decumbent or procumbent), many branched, 1.5–6 dm, somewhat woody below, coarse, white scurfy. | Herbs, annual, prostrate, sometimes tinged red, 1–6 dm, forming tangled masses 3–10 dm diam., lightly scurfy when young. |
Leaves | many, sometimes crowded; blade orbiculate to ovate or ovate-lanceolate to elliptic or oblong, 8–40 × 4–18 mm, base obtuse or rounded, white scurfy. |
numerous, sessile or proximal short petiolate; blade greenish adaxially, paler abaxially, oblanceolate to spatulate-elliptic or oval, (3–)5–18 × 1–8 mm, margin entire, more scurfy abaxially. |
Staminate flowers | in dense terminal spikes. |
in glomerules largely in distal bractless axils, thus short spicate; calyx 5-cleft. |
Pistillate flowers | in few-flowered, axillary clusters. |
in proximal axils. |
Seeds | dark red-brown, 2.5–3 mm. |
light brown, 0.8–1 mm. |
Fruiting | bracteoles not compressed, 5–7 mm, faces usually with wartlike projections, scurfy. |
bracteoles subsessile or stipe to 0.3 mm, suborbiculate to obovate, 1–1.5(–2) × 1.1–1.8 mm, united to middle, margin minutely 3–5-toothed at apex, otherwise entire, apex green, faces smooth or rarely tuberculate. |
Atriplex leucophylla |
Atriplex pacifica |
|
Phenology | Flowering spring–fall. | Flowering early spring–fall. |
Habitat | Sea beaches, along coasts, at higher elevation inland | Mainly on sea bluffs |
Elevation | 0-30 m (0-100 ft) | 0-100 m (0-300 ft) |
Distribution |
CA; Mexico (Baja California)
|
CA; Mexico (Baja California)
|
Discussion | Atriplex leucophylla occurs with Potentilla, Camissonia, Ambrosia, Cakile, and Calystegia. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
The name Atriplex ramosissima was published by Moquin-Tandon as a synonym, based on a name on a specimen in Nuttall’s herbarium. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 4, p. 366. | FNA vol. 4, p. 363. |
Parent taxa | Chenopodiaceae > Atriplex > subg. Obione > sect. Obione > subsect. Leucophyllae | Chenopodiaceae > Atriplex > subg. Obione > sect. Obione > subsect. Arenariae |
Sibling taxa | ||
Synonyms | Obione leucophylla | Obione microcarpa, A. ramosissima |
Name authority | (Moquin-Tandon) D. Dietrich: Syn. Pl. 5: 536. (1852) | A. Nelson: Proc. Biol. Soc. Wash., 17: 99. (1904) |
Web links |