Difference between revisions of "Eriogonum panguicense"
Proc. Utah Acad. Sci. 42: 291. 1966.
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
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|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
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|publication title=Proc. Utah Acad. Sci. | |publication title=Proc. Utah Acad. Sci. | ||
|publication year=1966 | |publication year=1966 | ||
| − | |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_522.xml |
|subfamily=Polygonaceae subfam. Eriogonoideae | |subfamily=Polygonaceae subfam. Eriogonoideae | ||
|genus=Eriogonum | |genus=Eriogonum | ||
Latest revision as of 22:11, 5 November 2020
Herbs, matted, pulvinate or cespitose, scapose, 0.3–3 × 0.5–2 dm, glabrous, grayish. Stems spreading, usually with persistent leaf bases, up to 1/5 height of plant; caudex stems matted; aerial flowering stems scapelike, erect or nearly so, slender, solid, not fistulose, 0.2–2.5(–3) dm, glabrous, tomentose among leaves. Leaves basal, fasciculate in terminal tufts; petiole 0.1–0.8 cm, tomentose or glabrous; blade linear-oblanceolate to elliptic, 0.5–4(–5) × 0.2–1 cm, densely white-tomentose abaxially, floccose to subglabrous and greenish adaxially, margins plane or crenulate. Inflorescences capitate, 0.7–1.5 cm; branches absent; bracts 3, scalelike, triangular, 1–2 mm. Peduncles absent. Involucres 3–7 per cluster, turbinate, (2–)2.5–3 × 1.5–2.5 mm, glabrous; teeth 5, erect, 0.3–0.5 mm. Flowers 2–3 mm; perianth white, glabrous; tepals connate proximal 1/4–1/3, monomorphic, obovate; stamens exserted, 2–3 mm; filaments pilose proximally. Achenes light brown, 3–4 mm, glabrous.
Discussion
Varieties 2 (2 in the flora).
Eriogonum panguicense is an isolated species that may be related to the E. batemanii complex, or perhaps to E. lonchophyllum. It is a distinct taxon and worthy of horticultural consideration as a rock garden plant. The large (0.5–0.6 mm), oblong, deep purplish-red anthers against the whitish tepals are striking.
Selected References
None.
Key
| 1 | Leaf blades (1-)1.5-4(-5) cm; scapes 0.8-2.5(-3) dm; flowers 2-2.5 mm | Eriogonum panguicense var. panguicense |
| 1 | Leaf blades 0.5-1.5 cm; scapes 0.2-0.7(-1) dm; flowers (2-)2.5-3 mm | Eriogonum panguicense var. alpestre |