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Eriogonum
Family: Polygonaceae
Eriogonum image
Dominic Gentilcore
  • FNA
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James L. Reveal in Flora of North America (vol. 5)
Shrubs, subshrubs, or herbs, sometimes nearly arborescent, perennial, biennial, or annual, polycarpic or, rarely, monocarpic (subg. Pterogonum), synoecious (sometimes polygamodioecious in subg. Micrantha and Oligogonum, rarely dioecious in subg. Oligogonum); taproot slender to stout, solid, or rarely chambered (subg. Pterogonum). Stems prostrate or decumbent to erect, infrequently absent, glabrous or pubescent, sometimes glandular; caudex stems absent or woody, tightly compact to spreading and at or just below surface, or spreading to erect and above surface; aerial flowering stems arising at nodes of caudex branches, at distal nodes of aerial branches, or directly from the root, prostrate or decumbent to erect, slender to stout, solid or slightly to distinctly hollow and fistulose, rarely disarticulating into ringlike segments (subg. Clastomyelon). Leaves usually persistent through anthesis, occasionally persistent through growing season or longer, sometimes marcescent or quickly deciduous, basal and sometimes sheathing up stems, cauline, or basal and cauline, alternate, opposite, or whorled, 1 per node or fasciculate; petiole usually present, sometimes obscure; blade linear to orbiculate, entire apically.  Inflorescences terminal or terminal and axillary, cymose and dichotomously or trichotomously branched, or racemose, simple or compound-umbellate, subcapitate, or capitate, occasionally distally uniparous due to suppression of secondary branches; branches mostly dichotomous except for initial trichotomous node, not brittle or disarticulating into segments, round and smooth, rarely grooved, angled or ridged, variously lanate, tomentose, floccose, sericeous, hispid, pilose-pubescent, or puberulent, occasionally glandular, rarely scabrellous; bracts 2-13 or more at proximal nodes, usually 3 distally, connate proximally, leaflike, semileaflike, or scalelike, not awn-tipped, glabrous or variously pubescent or glandular. Peduncles absent or erect to deflexed. Involucres 1-8 or more per cluster, smooth or ribbed, tubular, cylindric or narrowly turbinate to broadly campanulate or hemispheric; teeth 5-10, sometimes lobelike, not awned. Flowers bisexual or, infrequently, unisexual, (2-)6-100 per involucre at any single time during full anthesis, sometimes with stipelike base; perianth usually white to red or variously yellow, broadly campanulate when open, cylindric to urce
Species within checklist: Flora of Federal Protected Areas, Desert West || << 1 - 50 taxa >>
Eriogonum abertianum
Image of Eriogonum abertianum
Eriogonum alatum
Image of Eriogonum alatum
Eriogonum annuum
Image of Eriogonum annuum
Eriogonum arcuatum
Image of Eriogonum arcuatum
Eriogonum aretioides
Image of Eriogonum aretioides
Eriogonum arizonicum
Image of Eriogonum arizonicum
Eriogonum bicolor
Image of Eriogonum bicolor
Eriogonum brachypodum
Image of Eriogonum brachypodum
Eriogonum capillare
Image of Eriogonum capillare
Eriogonum cernuum
Image of Eriogonum cernuum
Eriogonum clavellatum
Image of Eriogonum clavellatum
Eriogonum corymbosum
Image of Eriogonum corymbosum
Eriogonum davidsonii
Image of Eriogonum davidsonii
Eriogonum deflexum
Image of Eriogonum deflexum
Eriogonum divaricatum
Image of Eriogonum divaricatum
Eriogonum effusum
Image of Eriogonum effusum
Eriogonum ericifolium
Image of Eriogonum ericifolium
Eriogonum fasciculatum
Image of Eriogonum fasciculatum
Eriogonum flavum
Image of Eriogonum flavum
Eriogonum flexum
Image of Eriogonum flexum
Eriogonum fusiforme
Image of Eriogonum fusiforme
Eriogonum gordonii
Image of Eriogonum gordonii
Eriogonum havardii
Image of Eriogonum havardii
Eriogonum hemipterum
Image of Eriogonum hemipterum
Eriogonum heracleoides
Image of Eriogonum heracleoides
Eriogonum hieracifolium
Image of Eriogonum hieracifolium
Eriogonum hieraciifolium
Image of Eriogonum hieraciifolium
Eriogonum hookeri
Image of Eriogonum hookeri
Eriogonum inflatum
Image of Eriogonum inflatum
Eriogonum jamesii
Image of Eriogonum jamesii
Eriogonum jonesii
Image of Eriogonum jonesii
Eriogonum lachnogynum
Image of Eriogonum lachnogynum
Eriogonum leptocladon
Image of Eriogonum leptocladon
Eriogonum leptophyllum
Image of Eriogonum leptophyllum
Eriogonum lonchophyllum
Image of Eriogonum lonchophyllum
Eriogonum longifolium
Image of Eriogonum longifolium
Eriogonum maculatum
Image of Eriogonum maculatum
Eriogonum microthecum
Image of Eriogonum microthecum
Eriogonum multiflorum
Image of Eriogonum multiflorum
Eriogonum nidularium
Image of Eriogonum nidularium
Eriogonum nummulare
Image of Eriogonum nummulare
Eriogonum ovalifolium
Image of Eriogonum ovalifolium
Eriogonum palmerianum
Image of Eriogonum palmerianum
Eriogonum panguicense
Image of Eriogonum panguicense
Eriogonum pharnaceoides
Image of Eriogonum pharnaceoides
Eriogonum plumatella
Image of Eriogonum plumatella
Eriogonum polycladon
Image of Eriogonum polycladon
Eriogonum pulchrum
Image of Eriogonum pulchrum
Eriogonum pusillum
Image of Eriogonum pusillum
Eriogonum racemosum
Image of Eriogonum racemosum
The National Science Foundation
Development supported by National Science Foundation Grants (DBI 9983132, BRC 0237418, DBI 0743827, DBI 0847966)
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