Atriplex nummularia Lindl.

Bluegreen saltbush (en)

Species

Angiosperms > Caryophyllales > Amaranthaceae > Atriplex

Characteristics

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.
More
Erect shrub to 3 m high, predominantly dioecious. Leaves broadly elliptic to ovate or obovate, obtuse, denticulate to coarsely dentate, smooth, grey-green; lamina 2–4 cm long, petiole 0.5–1 cm long. Male flowers in disjunct glomerules c. 6 mm diam. arranged in panicles. Female flowers in compact clusters arranged in panicles c. 20 cm long. Fruiting bracteoles sessile; valves free, orbicular to rhomboidal, 5–15 mm long, 5–11 mm wide, entire or denticulate, rounded at apex, cuneate to cordate at base, papery or thickened towards base around seed; appendages absent.
Herbs perennial, to 2 m tall. Stems erect, much branched, slightly ribbed. Leaves shortly petiolate; leaf blade ovate to rhombic-ovate, usually 1-1.5 × 0.6-1 cm, furfuraceous, base subcuneate to broadly cuneate, decurrent, margin with 1-3 pairs of undulate teeth, or entire, apex rounded to subobtuse. Inflorescences axillary glomerules borne toward apex of branches, forming small panicles. Fruiting bracts connate at base, semiorbicular, ca. 7 mm wide, basal central part swollen and hardened, margins green, with finely undulate teeth.
A perennial herb. It grows 1-3 m tall. It spreads 2-4 m wide. The branches are whitish. The leaves are furry and silvery white. They are 4 cm long by 4 cm wide. They are flat with teeth along the edge. The flowers are small. The flowers are yellowish-brown. The male flowers are round and in clusters at the end of the plant. The female flowers are in long dense clusters at the ends of plants. Male and female flowers are on separate plants.
Dense shrub, 1-3 m high, branches whitish, brittle, woody. Leaves bluish grey, 40 x 40 mm, flat, margins toothed, covered by mealy grey to white, vesicular scales. Inflorescences greyish, yellow-brown; male flowers in terminal clusters, female flowers in compact, long, terminal clusters. Flowering time Sept.-Jan. (all year). Fruiting bracts ± 5 mm long, ± oval.
Greyish green, predominantly dioecious shrub, up to 3 m tall, with creamy white stems. Leaves oval to triangular. Male flowers in separate glomerules arranged in panicles. Female flowers in compact clusters arranged in panicles. Fruiting bracteoles enlarging and surrounding seed, fan-shaped, attached at base only.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality dioecy
Pollination anemogamy
Spread -
Mature width (meter) 2.0 - 4.0
Mature height (meter) 2.6 - 3.0
Root system -
Rooting depth (meter) 0.5
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c4

Environment

Sandy coastal bluffs, disturbed sites; at elevations up to 2,300 metres. Occurs in pure stands on limestone plains or alluvial floodplains, but also found in a range of habitats, including as an understorey species in eucalypt woodlands.
More
It can grow from temperate to subtropical climates and from semiarid to arid regions. It can tolerate heavy frost. It suits alkaline soils. It can tolerate salty soils. It is drought resistant.
Light 7-8
Soil humidity 1-4
Soil texture 4-6
Soil acidity 4-9
Soil nutriment -
Hardiness (USDA) 6-9

Usage

Uses animal food environmental use fodder food forage fuel material medicinal ornamental windbreak wood
Edible leaves seeds shoots
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown by seed or cuttings. It can be pruned into a hedge.
Mode cuttings seedlings
Germination duration (days) 9 - 21
Germination temperacture (C°) 10 - 12
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -35
Optimum temperature (C°) 16 - 28
Size -
Vigor -
Productivity -

Images

Atriplex nummularia unspecified picture
Atriplex nummularia unspecified picture

Distribution

Atriplex nummularia world distribution map, present in Australia, Bolivia (Plurinational State of), Chile, China, Spain, Israel, Morocco, Mexico, Namibia, Nauru, Tunisia, Taiwan, Province of China, United States of America, and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:306691-2
WFO ID wfo-0000556344
COL ID JLKW
BDTFX ID 168256
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Atriplex nummularia Atriplex halimoides var. monumentalis Atriplex nummularia subsp. erosa Atriplex nummularia var. monumentalis Atriplex nummularia subsp. nummularia