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Alternanthera
Family: Amaranthaceae
Alternanthera image
Arizona State University Herbarium  
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Steven E. Clemants in Flora of North America (vol. 4)
Herbs or subshrubs, annual or perennial. Stems prostrate, decumbent, ascending, erect, or floating, indumentum of simple trichomes. Leaves opposite, sessile or petiolate; blade lanceolate to ovate, ovate-rhombic, or obovate-rhombic, margins entire. Inflorescences axillary or terminal, sessile or pedunculate, several-flowered cylindric spikes or globose heads, without immediately subtending leaves; bracts and bracteoles scarious. Flowers bisexual; tepals 5, distinct; stamens 3-5; filaments connate basally into tube or short cup; pseudostaminodes 5, alternating with stamens; ovule 1; style 1, ca. 0.2 mm; stigma capitate or rarely 2-lobed. Utricles compressed, ovoid or obovoid, indehiscence. Seeds 1, reddish brown, lenticular or ovoid-oblong.
Vascular plants of NE US and adjacent Canada
Fls perfect; sep 5, distinct, unequal, white or greenish; filaments united at least below, the 3-5 antheriferous filaments alternating with 3-5 sterile ones; anthers bisporangiate and unilocular, style solitary, with a capitate stigma; ovule one; utricle membranous, indehiscent; annual or perennial herbs or shrubs with opposite, petiolate or sessile, entire or obscurely denticulate lvs; fls white or greenish, in terminal heads or short spikes. 170, warm reg.

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.
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Show all taxa || << 1 - 50 taxa >>
Alternanthera albida
Image of Alternanthera albida
Alternanthera amoena
Image of Alternanthera amoena
Alternanthera angustifolia
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not available
Alternanthera aquatica
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not available
Alternanthera asterotricha
Image of Alternanthera asterotricha
Alternanthera bahiensis
Image of Alternanthera bahiensis
Alternanthera bettzichiana
Image of Alternanthera bettzichiana
Alternanthera bettzickiana
Image of Alternanthera bettzickiana
Alternanthera brasiliana
Image of Alternanthera brasiliana
Alternanthera caracasana
Image of Alternanthera caracasana
Alternanthera crucis
Image of Alternanthera crucis
Alternanthera dentata
Image of Alternanthera dentata
Alternanthera denticulata
Image of Alternanthera denticulata
Alternanthera dolichocephala
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not available
Alternanthera echinocephala
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Alternanthera elongata
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Alternanthera ficoidea
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Alternanthera flava
Image of Alternanthera flava
Alternanthera flavescens
Image of Alternanthera flavescens
Alternanthera flavogrisea
Image of Alternanthera flavogrisea
Alternanthera floridana
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not available
Alternanthera frutescens
Image of Alternanthera frutescens
Alternanthera glabra
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Alternanthera gracilis
Image of Alternanthera gracilis
Alternanthera halimifolia
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Alternanthera hasslerana
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Alternanthera hassleriana
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Alternanthera hirtula
Image of Alternanthera hirtula
Alternanthera ingramiana
Image of Alternanthera ingramiana
Alternanthera jacquinii
Image of Alternanthera jacquinii
Alternanthera kurtzii
Image of Alternanthera kurtzii
Alternanthera laguroides
Image of Alternanthera laguroides
Alternanthera lanceolata
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Alternanthera manillensis
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Alternanthera maritima
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Alternanthera markgrafii
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Alternanthera martii
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Alternanthera menziesii
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Alternanthera mexicana
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Alternanthera moquinii
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Alternanthera obovata
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Alternanthera olivacea
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Alternanthera paniculata
Image of Alternanthera paniculata
Alternanthera paronichyoides
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Alternanthera paronychioides
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Alternanthera philoxeroides
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Alternanthera porrigens
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Alternanthera portoricensis
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not available
Alternanthera pubiflora
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Alternanthera pulchella
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The National Science Foundation
Developments of SEINet, Symbiota, and associated specimen databases have been supported by National Science Foundation Grants (DBI 9983132, BRC 0237418, DBI 0743827, DBI 0847966)