Difference between revisions of "Eriogonum flavum var. aquilinum"
Ark. Bot., n. s. 7: 46. 1968.
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|common_names=Yukon wild buckwheat | |common_names=Yukon wild buckwheat | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
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|basionyms= | |basionyms= | ||
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|publication title=Ark. Bot., n. s. | |publication title=Ark. Bot., n. s. | ||
|publication year=1968 | |publication year=1968 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_766.xml |
|subfamily=Polygonaceae subfam. Eriogonoideae | |subfamily=Polygonaceae subfam. Eriogonoideae | ||
|genus=Eriogonum | |genus=Eriogonum | ||
Latest revision as of 23:13, 5 November 2020
Plants tight, compact mats, 3–10 dm wide. Aerial flowering stems mostly erect, 0.2–0.8 dm. Leaf blades narrowly elliptic, 1–2(–3.5) × 0.4–1 cm, densely tomentose abaxially, floccose and greenish adaxially. Inflorescences umbellate; branches 0.5–2 cm. Involucres usually turbinate-campanulate, (4–)5–7(–8) mm. Flowers 3–5(–6) mm, including 0.2–0.3 mm stipelike base; perianth bright yellow.
Phenology: Flowering Jul–Aug.
Habitat: Exposed bluffs, mixed grassland communities, willow thickets
Elevation: 300-500 m
Discussion
Variety aquilinum is rare and isolated, known only from the Eagle area of extreme east-central Alaska (including the Kathul Mountains, Southeast Fairbanks County) and from the Aishihik Lake area in the Yukon Territory. It is closely related to and marginally distinct from var. flavum, its isolation the result of Pleistocene glaciation.
Selected References
None.