Difference between revisions of "Rudbeckia scabrifolia"

L. E. Brown

Phytologia 61: 367, fig. 1. 1986.

Common names: Roughleaf coneflower
Endemic
Treatment appears in FNA Volume 21. Treatment on page 51. Mentioned on page 47, 52.
FNA>Volume Importer
imported>Volume Importer
 
(5 intermediate revisions by 2 users not shown)
Line 8: Line 8:
 
}}
 
}}
 
|common_names=Roughleaf coneflower
 
|common_names=Roughleaf coneflower
 +
|special_status={{Treatment/ID/Special_status
 +
|code=E
 +
|label=Endemic
 +
}}
 
|basionyms=
 
|basionyms=
 
|synonyms=
 
|synonyms=
Line 33: Line 37:
 
-->{{#Taxon:
 
-->{{#Taxon:
 
name=Rudbeckia scabrifolia
 
name=Rudbeckia scabrifolia
|author=
 
 
|authority=L. E. Brown
 
|authority=L. E. Brown
 
|rank=species
 
|rank=species
Line 47: Line 50:
 
|publication title=Phytologia
 
|publication title=Phytologia
 
|publication year=1986
 
|publication year=1986
|special status=
+
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V21_106.xml
+
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_106.xml
 
|tribe=Asteraceae tribe Heliantheae
 
|tribe=Asteraceae tribe Heliantheae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae

Latest revision as of 20:07, 5 November 2020

Perennials, to 200 cm (rhizomatous, roots fibrous). Leaves green (dried, dark under reflected UV light), blades elliptic to lanceolate (not lobed), ± leathery, bases attenuate to cuneate or rounded, margins entire or coarsely toothed, apices acute, faces hairy; basal petiolate, 15–65 × 2–15 cm; cauline sessile (proximalmost often petiolate), 5–50 × 2–12 cm (mids ± pandurate, bases auriculate). Heads (to 15) in ± corymbiform arrays. Phyllaries to 2 cm (margins ciliate). Receptacles ovoid to ellipsoid; paleae 6–8 mm, (apical margins densely ciliate) apices acute, abaxial tips hairy. Ray florets 10–15; corollas yellow, laminae oblong to oblanceolate, 20–40 × 5–12 mm, abaxially hairy. Discs 12–25 × 12–20 mm. Disc florets 150–400+; corollas greenish yellow proximally, maroon distally, 3.5–5 mm; style branches ca. 2 mm, apices acute. Cypselae 3.5–5 mm; pappi coroniform, to 2.5 mm. 2n = 36.


Phenology: Flowering late spring–fall.
Habitat: Hillside seeps
Elevation: 10–60 m

Discussion

Rudbeckia scabrifolia occurs in western Louisiana and eastern Texas. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.

Selected References

None.

Lower Taxa

None.