Difference between revisions of "Packera porteri"
Kew Bull. 47: 101. 1992.
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|common_names=Porter’s groundsel | |common_names=Porter’s groundsel | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
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|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Senecio porteri | |name=Senecio porteri | ||
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|publication title=Kew Bull. | |publication title=Kew Bull. | ||
|publication year=1992 | |publication year=1992 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_1334.xml |
|tribe=Asteraceae tribe Senecioneae | |tribe=Asteraceae tribe Senecioneae | ||
|genus=Packera | |genus=Packera | ||
Latest revision as of 21:00, 5 November 2020
Perennials, 3–10+ cm; rhizomatous (rhizomes branched). Stems 1 (often cyanic), glabrous. Basal leaves (relatively turgid, abaxial faces cyanic) petiolate; blades reniform to subreniform, 5–15+ × 5–25+ mm, bases abruptly contracted to cordate, margins usually crenate, sometimes wavy. Cauline leaves abruptly reduced (1–4, sessile; bractlike, entire). Heads borne singly. Peduncles ebracteate, glabrous. Calyculi conspicuous (bractlets often cyanic). Phyllaries 13 or 21, deep red, 8–10+ mm, glabrous. Ray florets 8 or 13; corolla laminae 8–10+ mm. Disc florets 40–50+; corolla tubes 2.5–3.5 mm, limbs 2.5–3.5 mm. Cypselae 1.5–2.5 mm, glabrous; pappi 4–5.5 mm.
Phenology: Flowering mid Jul–mid Aug.
Habitat: Steep talus slopes in alpine habitats
Elevation: 2800–3900 m
Distribution
Colo., Oreg., Wash.
Discussion
Multiple collections of Packera porteri are known from Colorado; single collections are known from Oregon (1899; collector indicated few plants were seen) and Washington (1996).
Selected References
None.