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Trifolium
Family: Fabaceae
Trifolium image
Max Licher  
  • Gleason & Cronquist
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Vascular plants of NE US and adjacent Canada
Cal-tube campanulate to tubular, sometimes oblique, the lobes setaceous to triangular, often unequal; pet all separate (spp. 15-17) or ±united into a tube, usually withering and persistent after anthesis; standard ovate to oblong or obovate, often folded about the wings or with only its summit outwardly curved; stamens 10, diadelphous, filaments dilated below the anthers; fr short, straight, often included in the persistent cal, dehiscent or indehiscent, 1-6-seeded; herbs with 3-foliolate, serrulate lvs and small fls in heads, spikes, or head-like racemes or umbels. In the absence of fr, our spp. may be distinguished from Medicago by their strongly bilabiate cal. 250, 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.
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Show all taxa || << 1 - 50 taxa >>
Trifolium aciculare
Image of Trifolium aciculare
Trifolium affine
Image of Trifolium affine
Trifolium africanum
Image of Trifolium africanum
Trifolium aintabense
Image of Trifolium aintabense
Trifolium aitonii
Image of Trifolium aitonii
Trifolium albopurpureum
Image of Trifolium albopurpureum
Trifolium alexandrinum
Image of Trifolium alexandrinum
Trifolium alpestre
Image of Trifolium alpestre
Trifolium alpinum
Image of Trifolium alpinum
Trifolium amabile
Image of Trifolium amabile
Trifolium ambiguum
Image of Trifolium ambiguum
Trifolium amoenum
Image of Trifolium amoenum
Trifolium amphianthum
Image of Trifolium amphianthum
Trifolium amplectens
Image of Trifolium amplectens
Trifolium andersonii
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Trifolium andinum
Image of Trifolium andinum
Trifolium anemophilum
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Trifolium angulatum
Image of Trifolium angulatum
Trifolium angustifolium
Image of Trifolium angustifolium
Trifolium anodon
Image of Trifolium anodon
Trifolium apertum
Image of Trifolium apertum
Trifolium arcuatum
Image of Trifolium arcuatum
Trifolium argutum
Image of Trifolium argutum
Trifolium arvense
Image of Trifolium arvense
Trifolium atrorubens
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Trifolium attenuatum
Image of Trifolium attenuatum
Trifolium aureum
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Trifolium baccarinii
Images
not available
Trifolium badium
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Trifolium balansae
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not available
Trifolium barbigerum
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Trifolium barnebyi
Image of Trifolium barnebyi
Trifolium beckwithii
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Trifolium bejariense
Image of Trifolium bejariense
Trifolium berytheum
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Trifolium bifidum
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Trifolium bilineatum
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Trifolium billardierei
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not available
Trifolium bocconei
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Trifolium boissieri
Image of Trifolium boissieri
Trifolium bolanderi
Image of Trifolium bolanderi
Trifolium brachycalycinum
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not available
Trifolium brandegeei
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Trifolium brandegei
Image of Trifolium brandegei
Trifolium breweri
Image of Trifolium breweri
Trifolium buckwestiorum
Image of Trifolium buckwestiorum
Trifolium burchellianum
Image of Trifolium burchellianum
Trifolium calcaricum
Image of Trifolium calcaricum
Trifolium calocephalum
Image of Trifolium calocephalum
Trifolium campestre
Image of Trifolium campestre
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)