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Atriplex

Atriplex
Family: Amaranthaceae
Atriplex image
  • FNA
  • Gleason & Cronquist
  • Resources
Stanley L. Welsh in Flora of North America (vol. 4)
Herbs or shrubs, annual or perennial, monoecious or dioecious, often with bladderlike hairs that collapse to form silvery or scurfy (mealy) vesture, less often with elongate trichomes. Leaves persistent or tardily deciduous, alternate, partially opposite, or opposite, sessile or petiolate; blade entire, serrate, or lobed, with venation either of Kranz-type or normal dicotyledonous type, axillary buds inconspicuous or lacking. Inflorescences axillary or terminal; flowers borne in axillary clusters or glomerules, or in terminal spikes or spicate panicles. Staminate flowers with 3-5-parted calyx, ebracteate; stamens 3-5. Pistillate flowers lacking perianth, pistil naked, or in few species with (1-)3-5-lobed perianth, commonly enclosed within pair of foliaceous bracteoles; stigmas 2. Fruiting bracteoles enlarged in fruit, of various shapes and variously connate or not, thickened, and appendaged; pericarp free, tightly enclosed in the fruiting bracteoles. Seeds flattened, mainly vertical; radicle inferior, lateral, or superior. x = 9.

Many species of Atriplex are halophytic, others occupy soils low in dissolved particulates.

Prior to the 1900s, the genus Suckleya was treated within Atriplex, but its obcompressed fruiting bracteoles are quite unlike anything in Atriplex, and the plants were recognized as a distinct genus.

Vascular plants of NE US and adjacent Canada
Monoecious; staminate fls with 3-5 sep and as many stamens; pistillate fls all or mostly enclosed individually by 2 broad bracteoles, without perianth except in no. 2 [Atriplex arenaria Nutt.]; ovary wall very thin; styles 2, filiform; embryo annular, the radicle variously inferior (near the base, and directed downward or horizontally) to median (lateral, directed upwards) or superior (near the summit, and directed upwards); annual (incl. all our spp.) or perennial herbs or shrubs; fls minute, sessile or short-pedicellate in glomerules or borne singly in the axils or in terminal spikes or panicles; lvs usually opposite below and alternate above, ±mealy at least when young, sometimes later green and glabrate. Spp. 3-6 form a morphologically confluent, mostly self-pollinated polyploid series, whose members are sharply distinct at some but not all points of contact. 100+, widespread.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
Species within checklist: FLC - Field Botany (Bio 382) - Week 1 - Summer 2025 || << 1 - 50 taxa >>
Atriplex abata
Media resource of Atriplex abata
Map not
Available
Atriplex acadiensis
Media resource of Atriplex acadiensis
Map not
Available
Atriplex acanthocarpa
Media resource of Atriplex acanthocarpa
Map not
Available
Atriplex acutibractea
Media resource of Atriplex acutibractea
Map not
Available
Atriplex amboensis
Media resource of Atriplex amboensis
Map not
Available
Atriplex ameghinoi
Media
not available
Map not
Available
Atriplex amnicola
Media resource of Atriplex amnicola
Map not
Available
Atriplex aptera
Media resource of Atriplex aptera
Map not
Available
Atriplex arenaria
Media resource of Atriplex arenaria
Map not
Available
Atriplex argentea
Media resource of Atriplex argentea
Map not
Available
Atriplex asplundii
Media resource of Atriplex asplundii
Map not
Available
Atriplex asterocarpa
Media resource of Atriplex asterocarpa
Map not
Available
Atriplex atacamensis
Media
not available
Map not
Available
Atriplex aucheri
Media
not available
Map not
Available
Atriplex australasica
Media
not available
Map not
Available
Atriplex barclayana
Media resource of Atriplex barclayana
Map not
Available
Atriplex bonnevillensis
Media resource of Atriplex bonnevillensis
Map not
Available
Atriplex bracteosa
Media resource of Atriplex bracteosa
Map not
Available
Atriplex brenanii
Media
not available
Map not
Available
Atriplex bunburyana
Media resource of Atriplex bunburyana
Map not
Available
Atriplex californica
Media resource of Atriplex californica
Map not
Available
Atriplex calotheca
Media resource of Atriplex calotheca
Map not
Available
Atriplex cana
Media resource of Atriplex cana
Map not
Available
Atriplex canescens
Media resource of Atriplex canescens
Map not
Available
Atriplex caput-medusae
Media resource of Atriplex caput-medusae
Map not
Available
Atriplex carnosa
Media resource of Atriplex carnosa
Map not
Available
Atriplex centralasiatica
Media resource of Atriplex centralasiatica
Map not
Available
Atriplex chapinii
Media
not available
Map not
Available
Atriplex chenopodioides
Media resource of Atriplex chenopodioides
Map not
Available
Atriplex cinerea
Media resource of Atriplex cinerea
Map not
Available
Atriplex colerei
Media
not available
Map not
Available
Atriplex confertifolia
Media resource of Atriplex confertifolia
Map not
Available
Atriplex congolensis
Media
not available
Map not
Available
Atriplex coquimbana
Media
not available
Map not
Available
Atriplex cordifolia
Media
not available
Map not
Available
Atriplex cordulata
Media resource of Atriplex cordulata
Map not
Available
Atriplex coriacea
Media
not available
Map not
Available
Atriplex cornuta
Media resource of Atriplex cornuta
Map not
Available
Atriplex coronata
Media resource of Atriplex coronata
Map not
Available
Atriplex corrugata
Media resource of Atriplex corrugata
Map not
Available
Atriplex coulteri
Media resource of Atriplex coulteri
Map not
Available
Atriplex crassifolia
Media resource of Atriplex crassifolia
Map not
Available
Atriplex crassipes
Media
not available
Map not
Available
Atriplex cristata
Media resource of Atriplex cristata
Map not
Available
Atriplex cuneata
Media resource of Atriplex cuneata
Map not
Available
Atriplex decumbens
Media resource of Atriplex decumbens
Map not
Available
Atriplex depressa
Media resource of Atriplex depressa
Map not
Available
Atriplex dimorphostegia
Media
not available
Map not
Available
Atriplex dioica
Media resource of Atriplex dioica
Map not
Available
Atriplex domingensis
Media resource of Atriplex domingensis
Map not
Available
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