Difference between revisions of "Eriogonum tenellum"
Ann. Lyceum Nat. Hist. New York 2: 241. 1827.
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| + | |special_status={{Treatment/ID/Special_status | ||
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| − | |distribution= | + | |distribution=Colo.;N.Mex.;Okla.;Tex.;including Mexico. |
|discussion=<p>Varieties 3 (3 in the flora).</p> | |discussion=<p>Varieties 3 (3 in the flora).</p> | ||
|tables= | |tables= | ||
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|basionyms= | |basionyms= | ||
|family=Polygonaceae | |family=Polygonaceae | ||
| − | |distribution= | + | |distribution=Colo.;N.Mex.;Okla.;Tex.;including Mexico. |
|reference=None | |reference=None | ||
|publication title=Ann. Lyceum Nat. Hist. New York | |publication title=Ann. Lyceum Nat. Hist. New York | ||
|publication year=1827 | |publication year=1827 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_825.xml |
|subfamily=Polygonaceae subfam. Eriogonoideae | |subfamily=Polygonaceae subfam. Eriogonoideae | ||
|genus=Eriogonum | |genus=Eriogonum | ||
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Revision as of 22:14, 5 November 2020
Herbs, erect to spreading, perennial, 1–6 dm, glabrous, often glaucous, grayish. Stems: caudex compact to spreading; aerial flowering stems erect, solid, not fistulose, 0.4–4 dm, glabrous, often glaucous. Leaves basal or sheathing up stem 3–8 cm; petiole 0.4–4 cm, tomentose; blade elliptic to deltoid or ovate to suborbiculate or orbiculate, 0.3–3 × 0.2–3 cm, densely white-tomentose and grayish on both surfaces, margins plane. Inflorescences cymose, open, erect to spreading, 5–40 × 5–40 cm; branches glabrous; bracts 3, scalelike, 1–3 × 0.5–2 mm. Peduncles erect or spreading, straight, slender, 0.6–6 cm, glabrous. Involucres turbinate to turbinate-campanulate, 2–4 × 1.5–3(–4) mm, glabrous but tomentose adaxially; teeth 5, erect or nearly so, 0.5–1 mm. Flowers 1.5–3.5 mm; perianth white to pink with greenish to reddish midribs, becoming pinkish or orange-brown to red, glabrous; tepals dimorphic, those of outer whorl ovate to obovate or cordate to suborbiculate, those of inner whorl narrowly oblong to oblong; stamens included, 1–1.5 mm; filaments sparsely pilose proximally. Achenes light brown to brown, 3-gonous, 2–3 mm, glabrous.
Distribution
Colo., N.Mex., Okla., Tex., including Mexico.
Discussion
Varieties 3 (3 in the flora).
Selected References
None.
Lower Taxa
Key
| 1 | Leaves basal; caudex stem blades 0.3-1.5 × 0.3-1 cm; compact; se Colorado, e New Mexico, w Oklahoma, n and w Texas | Eriogonum tenellum var. tenellum |
| 1 | Leaves sheathing up stems; caudex stem blades 0.3-3 × 0.2-3 cm; compact to spreading; Texas | > 2 |
| 2 | Leaf blades elliptic to deltoid, 0.3-1.2 × 0.2-0.7 cm; caudex stems spreading; c Texas | Eriogonum tenellum var. ramosissimum |
| 2 | Leaf blades ovate to suborbiculate or orbiculate, 1-3 × 1-3 cm; caudex stems compact to slightly spreading; sw Texas | Eriogonum tenellum var. platyphyllum |