Difference between revisions of "Packera cardamine"
Phytologia 49: 46. 1981.
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|common_names=Bittercress ragwort | |common_names=Bittercress ragwort | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Senecio cardamine | |name=Senecio cardamine | ||
|authority=Greene | |authority=Greene | ||
| + | |publication_title=Bull. Torrey Bot. Club | ||
| + | |publication_place=8: 98. 1881 | ||
}} | }} | ||
|synonyms= | |synonyms= | ||
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|publication year=1981 | |publication year=1981 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V20_1292.xml |
|tribe=Asteraceae tribe Senecioneae | |tribe=Asteraceae tribe Senecioneae | ||
|genus=Packera | |genus=Packera | ||
Revision as of 18:41, 24 September 2019
Perennials, 20–60+ cm; rhizomatous (rhizomes erect to ascending, stout). Stems 1, glabrous. Basal leaves petiolate; blades orbiculate-ovate, orbiculate, obovate, or subreniform, 30–80+ × 30–80+ mm, bases cordate to contracted, margins crenate, dentate, or wavy. Cauline leaves abruptly reduced (proximal petiolate or sessile and clasping, broadly lanceolate, irregularly incised or crenate; mid ones sessile, clasping, sometimes auriculate, oblong to hastate, irregularly dentate; distal bractlike, entire). Heads 3–8 in open, cymiform arrays. Peduncles conspicuously bracteate, glabrous. Calyculi conspicuous. Phyllaries 13, light green, 5–9+ mm, glabrous. Ray florets usually 8+, rarely 0; corolla laminae 8–11 mm. Disc florets 30–45+; corolla tubes 4–5 mm, limbs 6–7 mm. Cypselae 1.5–2 mm, glabrous; pappi 9–10 mm.
Phenology: Flowering mid Jun–late Jul.
Habitat: Canyons, meadows, spruce forests
Elevation: 2400–3200 m
Discussion
Of conservation concern.
Packera cardamine is uncommon, rarely collected, and known only from the Mogollon Mountains of New Mexico and the White Mountains of Arizona.
Selected References
None.