Difference between revisions of "Palafoxia texana"
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 125. 1836.
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|name=Palafoxia texana var. ambigua | |name=Palafoxia texana var. ambigua | ||
|authority=(Shinners) B. L. Turner & M. I. Morris | |authority=(Shinners) B. L. Turner & M. I. Morris | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Chaenactidinae;Palafoxia;Palafoxia texana | |hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Chaenactidinae;Palafoxia;Palafoxia texana | ||
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|elevation=10–100+ m | |elevation=10–100+ m | ||
|distribution=Fla.;La.;Tex.;Mexico (Coahuila;Nuevo León;Tamaulipas). | |distribution=Fla.;La.;Tex.;Mexico (Coahuila;Nuevo León;Tamaulipas). | ||
| − | |discussion=<p>Plants of <i>Palafoxia texana</i> with non-stipitate-glandular phyllaries (versus stipitate-glandular) and pappus scales (on inner cypselae) 1–4 (versus 3–6) mm have been treated as < | + | |discussion=<p>Plants of <i>Palafoxia texana</i> with non-stipitate-glandular phyllaries (versus stipitate-glandular) and pappus scales (on inner cypselae) 1–4 (versus 3–6) mm have been treated as <i></i>var.<i> ambigua</i>. Some specimens are not readily assignable to either variety, and some are not readily assignable to either <i>P. rosea</i> or <i>P. texana</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Palafoxia texana | name=Palafoxia texana | ||
| − | |||
|authority=de Candolle in A. P. de Candolle and A. L. P. P. de Candolle | |authority=de Candolle in A. P. de Candolle and A. L. P. P. de Candolle | ||
|rank=species | |rank=species | ||
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|publication year=1836 | |publication year=1836 | ||
|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_986.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae | ||
Revision as of 19:40, 16 December 2019
Annuals or perennials (subshrubs), 20–80 cm. Stems ± scabrous, not stipitate-glandular. Leaf blades ovate-lanceolate to linear-lanceolate, 30–80 × (5–)10–20 mm. Involucres ± turbinate. Phyllaries 5–8 × 1–2.5 mm, ± equal, scabrellous, rarely stipitate-glandular. Ray florets 0. Disc florets 10–25; corollas actinomorphic, 7–10 mm, throats ± funnelform, shorter than lobes. Cypselae 4–6 mm; pappus scales of inner cypselae 2–6 mm. 2n = 22.
Phenology: Flowering spring–fall.
Habitat: Calcareous, usually rocky or gravelly soils
Elevation: 10–100+ m
Distribution
Fla., La., Tex., Mexico (Coahuila, Nuevo León, Tamaulipas).
Discussion
Plants of Palafoxia texana with non-stipitate-glandular phyllaries (versus stipitate-glandular) and pappus scales (on inner cypselae) 1–4 (versus 3–6) mm have been treated as var. ambigua. Some specimens are not readily assignable to either variety, and some are not readily assignable to either P. rosea or P. texana.
Selected References
None.