A personal Amaranthaceae, a Amaranth personal, occurs as taxonomic category of dicotyledon flowering plants included among a Caryophyllales & containing about 160 genera and 2,400 coinage.

Virtually all one mintage come herbs or subshrubs; very couple come trees or climbers. This occurs as far flung & world-wide personal detected mostly around semitropic & tropical regions, however two or three mintage come indigene to cool moderate regions. Virtually all mintage occur within tropical Africa and North America. A select few metal money come considered weeds, but the total of others come popular garden ornamental plants, especially species from either Alternanthera, Amaranthus, Celosia, and Iresine. Notable members include amaranth and tumbleweeds. Numbers of of the metal money come halophytes, growing in salty soils.

Modern genetics-based classification schemes, like that of the Angiosperm Phylogeny Group, include the personal Chenopodiaceae in a Amaranthaceae when the subfamily Chenopodioideae. Easily-known chenopodioid mintage include beet, goosefoot, quinoa, and spinach. the independent differences between Amaranthaceae & Chenopodiaceae come membraneous flower petal & stamens typically united inside a ring structure. Before a incorporation of Chenopodiaceae, a older narrow circumscription of Amaranthaceae contained merely astir 65 genera & 900 metal money.

It form together a monophyletic group with virtually all mintage in the choose Caryophyllales.

A leaves are simple, opposite or even even replacement, their margins entire or coarsely toothed, & forswearing stipules. Inside virtually all legal actions, there are neither radical or even terminal aggregations of leaves.

A flowers are solitary or even aggregated around cymes, spikes, or panicles & generally hone (bisexual person) and actinomorphic. Two or three metal money own unisexual flowers. A bracteate flowers are regular by using Four-Five petals, often joined. There are One-Five stamens. A hypogynous ovary has 3-Five joined sepals.

A fruit can be an utricle, nut, or circumscissile capsule, rarely the berry.

Reference
Kai Müller & Thomas Borsch - Phylogenetics of Amaranthaceae according to matK/trnK sequence information - Grounds to believe from either parsimony, likeliness & Bayesian analyses ; Annals of the Missouri Botanical Garden: Vol. 92, There are no. Unity, pp. 66–102.

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