Difference between revisions of "Eriogonum subg. Micrantha"
in J. E. Gunckel, Curr. Topics Pl. Sci., 237. 1969.
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|accepted_name=Eriogonum subg. Micrantha | |accepted_name=Eriogonum subg. Micrantha | ||
| − | |accepted_authority=(Bentham) Reveal | + | |accepted_authority=(Bentham) Reveal |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in J. E. Gunckel, Curr. Topics Pl. Sci., | |title=in J. E. Gunckel, Curr. Topics Pl. Sci., | ||
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|name=Eriogonum sect. Micrantha | |name=Eriogonum sect. Micrantha | ||
|authority=Bentham | |authority=Bentham | ||
| + | |rank=section | ||
|publication_title=Trans. Linn. Soc. London | |publication_title=Trans. Linn. Soc. London | ||
|publication_place=17: 413. 1836 | |publication_place=17: 413. 1836 | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Eriogonum subg. Micrantha | name=Eriogonum subg. Micrantha | ||
| − | + | |authority=(Bentham) Reveal | |
| − | |authority=(Bentham) Reveal | ||
|rank=subgenus | |rank=subgenus | ||
|parent rank=genus | |parent rank=genus | ||
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|family=Polygonaceae | |family=Polygonaceae | ||
|illustrator=Bee F. Gunn | |illustrator=Bee F. Gunn | ||
| + | |illustration copyright=Flora of North America Association | ||
|distribution=c North America;including n Mexico. | |distribution=c North America;including n Mexico. | ||
|reference=None | |reference=None | ||
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|publication year=1969 | |publication year=1969 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_659.xml |
|subfamily=Polygonaceae subfam. Eriogonoideae | |subfamily=Polygonaceae subfam. Eriogonoideae | ||
|genus=Eriogonum | |genus=Eriogonum | ||
Latest revision as of 22:12, 5 November 2020
Herbs, biennial or annual, polygamodioecious, floccose to tomentose; taproot somewhat woody. Stems erect, without persistent leaf bases, pubescent; caudex stems absent; aerial flowering stems erect, slender to stout, solid, not disarticulating in ringlike segments proximally, arising directly from the root. Leaves persistent or marcescent, in basal rosettes or fasciculate and scattered along stems, 1 per node; blade usually tomentose. Inflorescences terminal, cymose, compact to open; branches dichotomous, round, smooth, tomentose to floccose; bracts 3, connate basally, scalelike. Peduncles absent or erect, slender. Involucres 1 per node, not appressed to inflorescence branches, turbinate to campanulate; teeth 5–6, erect, apex acute. Flowers not attenuate at base, without stipelike base; perianth white to cream, rose, or reddish brown, glabrous abaxially, densely pubescent and minutely glandular adaxially; tepals connate proximally 1/4–1/3 their length, dimorphic; stamens included or slightly exserted; filaments pilose proximally. Achenes brown, not winged, 3-gonous, glabrous. Seeds: embryo curved.
Distribution
c North America, including n Mexico.
Discussion
Species 2 (2 in the flora).
Selected References
None.
Lower Taxa
Key
| 1 | Outer tepals obovate, 0.9-1.5 mm wide; involucres 2.5-4 mm, tomentose to floccose abaxially, glabrous adaxially; plants grayish | Eriogonum annuum |
| 1 | Outer tepals oblong-cordate, 1.5-2 mm wide; involucres 2-2.5 mm, usually tomentose on both surfaces; plants reddish | Eriogonum multiflorum |