Difference between revisions of "Eriogonum ammophilum"
Phytologia 23: 163. 1972.
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|common_names=Ibex wild buckwheat | |common_names=Ibex wild buckwheat | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=C | ||
| + | |label=Conservation concern | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Eriogonum nummulare var. ammophilum | |name=Eriogonum nummulare var. ammophilum | ||
|authority=(Reveal) S. L. Welsh | |authority=(Reveal) S. L. Welsh | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Eriogonum;Eriogonum subg. Eucycla;Eriogonum ammophilum | |hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Eriogonum;Eriogonum subg. Eucycla;Eriogonum ammophilum | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Eriogonum ammophilum | name=Eriogonum ammophilum | ||
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|authority=Reveal | |authority=Reveal | ||
|rank=species | |rank=species | ||
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|publication title=Phytologia | |publication title=Phytologia | ||
|publication year=1972 | |publication year=1972 | ||
| − | |special status= | + | |special status=Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_467.xml |
|subfamily=Polygonaceae subfam. Eriogonoideae | |subfamily=Polygonaceae subfam. Eriogonoideae | ||
|genus=Eriogonum | |genus=Eriogonum | ||
Latest revision as of 22:11, 5 November 2020
Subshrubs, spreading to some-what sprawling, not scapose, (1.5–)2–4 × 2–5 dm, glabrous, grayish. Stems decumbent to spreading, without persistent leaf bases, up to 1/4 height of plant; caudex stems absent or slightly spreading in moving sand; aerial flowering stems spreading, slender, solid, not fistulose, 0.5–1.5 dm, glabrous. Leaves basal or sheathing up proximal 1/4 of flowering stems, 1 per node; petiole 0.1–0.5(–1) cm, tomentose to floccose; blade broadly elliptic, 1–2(–2.5) × 0.8–1.7 cm, densely white-tomentose abaxially, less so to subglabrous and green adaxially, margins plane. Inflorescences cymose, open, 5–20 × 5–20 cm; branches dichotomous, glabrous; bracts 3, scalelike, triangular, 1–2.5 mm. Peduncles absent or erect, restricted to proximal nodes, (0.2–)0.5–1(–1.5) cm, glabrous. Involucres 1 per node, turbinate, (2.5–)3–3.5 × 2–2.5 mm, glabrous; teeth 5, erect, 0.4–0.8 mm. Flowers 2–3 mm; perianth white, glabrous; tepals connate proximal 1/4, essentially monomorphic, narrowly obovate; stamens slightly exserted, 2.5–3.5 mm; filaments puberulent proximally. Achenes light brown, 3–3.5 mm, glabrous except for distinctly papillate beak.
Phenology: Flowering Jun–Sep.
Habitat: Sandy flats and washes, mixed grassland and sagebrush communities, pinyon-juniper woodlands
Elevation: 1600-1900 m
Discussion
Of conservation concern.
Eriogonum ammophilum is known only from a few, scattered locations in Millard County. It is considered to be a “sensitive” species by the Bureau of Land Management.
Selected References
None.