Difference between revisions of "Packera hesperia"
Phytologia 49: 47. 1981.
FNA>Volume Importer |
imported>Volume Importer |
||
| (6 intermediate revisions by 2 users not shown) | |||
| Line 8: | Line 8: | ||
}} | }} | ||
|common_names=Western ragwort | |common_names=Western ragwort | ||
| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=C | ||
| + | |label=Conservation concern | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Senecio hesperius | |name=Senecio hesperius | ||
|authority=Greene | |authority=Greene | ||
| + | |rank=species | ||
| + | |publication_title=Pittonia | ||
| + | |publication_place=2: 166. 1891 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Senecio auleticus | |name=Senecio auleticus | ||
|authority=Greene | |authority=Greene | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Senecioneae;Packera;Packera hesperia | |hierarchy=Asteraceae;Asteraceae tribe Senecioneae;Packera;Packera hesperia | ||
| Line 31: | Line 42: | ||
|distribution=Calif.;Oreg. | |distribution=Calif.;Oreg. | ||
|discussion=<p>Of conservation concern.</p><!-- | |discussion=<p>Of conservation concern.</p><!-- | ||
| − | --><p>Packera hesperia is known only from the Siskiyou Mountains.</p> | + | --><p><i>Packera hesperia</i> is known only from the Siskiyou Mountains.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
| Line 40: | Line 51: | ||
-->{{#Taxon: | -->{{#Taxon: | ||
name=Packera hesperia | name=Packera hesperia | ||
| − | |||
|authority=(Greene) W. A. Weber & Á. Löve | |authority=(Greene) W. A. Weber & Á. Löve | ||
|rank=species | |rank=species | ||
| Line 54: | Line 64: | ||
|publication title=Phytologia | |publication title=Phytologia | ||
|publication year=1981 | |publication year=1981 | ||
| − | |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/V19-20-21/V20_1314.xml |
|tribe=Asteraceae tribe Senecioneae | |tribe=Asteraceae tribe Senecioneae | ||
|genus=Packera | |genus=Packera | ||
Latest revision as of 20:00, 5 November 2020
Perennials, 7–15+ cm; fibrous-rooted (caudices relatively slender). Stems 1, glabrous or sparsely tomentose. Basal leaves (and proximal cauline) petiolate; blades ovate, oblanceolate, or spatulate, 10–30 × 5–20 mm, bases tapering, sometimes obtuse, margins entire, subentire, or dentate. Cauline leaves abruptly reduced (sessile, clasping; bractlike, entire). Heads 1–4+ in corymbiform arrays. Peduncles bracteate (bractlets red-tinged), densely lanate-tomentose. Calyculi conspicuous (bractlets narrow, red-tinged). Phyllaries (13–)21, green (tips red or dark red), densely tomentose proximally. Ray florets (8–)13; corolla laminae 6–10+ mm. Disc florets 35–50+; corolla tubes 2.5–3.5 mm, limbs 3–4 mm. Cypselae 1.5–2 mm, glabrous; pappi 5–6 mm. 2n = 46.
Phenology: Flowering mid Apr–mid Jun.
Habitat: Serpentine derived soils, open woodland scrub
Elevation: 500–2500 m
Discussion
Of conservation concern.
Packera hesperia is known only from the Siskiyou Mountains.
Selected References
None.