Difference between revisions of "Parthenium ligulatum"
Leafl. W. Bot. 5: 20. 1947.
Basionym: Parthenium alpinum var. ligulatum M. E. Jones Contr. W. Bot. 13: 16. 1910
FNA>Volume Importer |
FNA>Volume Importer |
||
| Line 10: | Line 10: | ||
|name=Parthenium alpinum var. ligulatum | |name=Parthenium alpinum var. ligulatum | ||
|authority=M. E. Jones | |authority=M. E. Jones | ||
| + | |rank=variety | ||
|publication_title=Contr. W. Bot. | |publication_title=Contr. W. Bot. | ||
|publication_place=13: 16. 1910 | |publication_place=13: 16. 1910 | ||
| Line 36: | Line 37: | ||
-->{{#Taxon: | -->{{#Taxon: | ||
name=Parthenium ligulatum | name=Parthenium ligulatum | ||
| − | |||
|authority=(M. E. Jones) Barneby | |authority=(M. E. Jones) Barneby | ||
|rank=species | |rank=species | ||
| Line 51: | Line 51: | ||
|publication year=1947 | |publication year=1947 | ||
|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/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_30.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae | ||
Revision as of 19:35, 16 December 2019
Perennials, 1–2 cm (underground caudices 2–5+ cm, branched; plants cespitose or forming mats). Leaf blades oblanceolate to spatulate, 5–18+ × 1–2(–4+) mm, margins entire, faces strigilloso-sericeous (gray) and obscurely gland-dotted. Heads radiate, borne singly. Peduncles 0–4 mm. Phyllaries: outer 5 ± ovate, 2.5–3 mm, inner 5 ± orbiculate, 3–4+ mm. Pistillate florets 5; corolla laminae oval to elliptic, 1–2 mm, retuse. Disc florets 15–25+. Cypselae oblanceoloid to pyriform, 3.5–4 mm; pappus-like enations 2, erect to spreading, ± subulate, 0.5–1 mm (a third, ± subulate element sometimes at apex of adaxial face). 2n = 36, 72.
Phenology: Flowering May–Jun.
Habitat: Pale shale or sandstone outcrops with pinyon-juniper
Elevation: 1800–2000 m
Discussion
Selected References
None.
Lower Taxa
None.