Difference between revisions of "Psilactis asteroides"
Mem. Amer. Acad. Arts, n. s. 4: 72. 1849.
FNA>Volume Importer |
FNA>Volume Importer |
||
| Line 11: | Line 11: | ||
|name=Aster boltoniae | |name=Aster boltoniae | ||
|authority=Greene | |authority=Greene | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Machaeranthera boltoniae | |name=Machaeranthera boltoniae | ||
|authority=(Greene) B. L. Turner & D. B. Horne | |authority=(Greene) B. L. Turner & D. B. Horne | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Psilactis leptos | |name=Psilactis leptos | ||
|authority=Shinners | |authority=Shinners | ||
| Line 32: | Line 32: | ||
|elevation=900–2100 m | |elevation=900–2100 m | ||
|distribution=Ariz.;N.Mex.;Tex.;Mexico. | |distribution=Ariz.;N.Mex.;Tex.;Mexico. | ||
| − | |discussion=<p>Psilactis asteroides grows in eastern Arizona and western New Mexico and Texas.</p> | + | |discussion=<p><i>Psilactis asteroides</i> grows in eastern Arizona and western New Mexico and Texas.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
| Line 56: | Line 56: | ||
|publication year=1849 | |publication year=1849 | ||
|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/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V20_1072.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Psilactis | |genus=Psilactis | ||
Revision as of 15:17, 18 September 2019
Annuals, 25–150 cm. Stems and branches often sparsely appressed-hairy, stipitate-glandular distally, occasionally proximally. Distal leaf blades lanceolate to narrowly elliptic or linear, smallest 2.5–5 × 0.7–1.5 mm, bases cuneate to slightly cordate, sometimes slightly clasping. Involucres hemispheric, 4–5 mm. Phyllaries unequal; outer oblong to narrowly elliptic to lanceolate, 2–2.5 × 0.6–0.9 mm, mostly herbaceous, bases inconspicuously indurate, scarious margins absent or obscured by stipitate glands; inner oblanceolate to lanceolate or linear-lanceolate, 3–5 × 0.7–1 mm, bases indurate, margins scarious. Receptacles flat to convex, 1.8–4 mm wide. Ray florets 20–40; laminae 5–9 × 0.5–1 mm. Disc florets 40–75; corollas 2–3.5 mm. Ray cypselae 1–1.8 mm, sparsely appressed-hairy. Disc cypselae 1.2–2.2 mm, sparsely appressed-hairy; pappi 30–45, 1.5–3 mm. 2n = 8.
Phenology: Flowering May–Nov.
Habitat: Wet or occasionally flooded habitats, stream banks, lakeshores, ditches, fields, disturbed areas
Elevation: 900–2100 m
Distribution
Ariz., N.Mex., Tex., Mexico.
Discussion
Psilactis asteroides grows in eastern Arizona and western New Mexico and Texas.
Selected References
None.