Difference between revisions of "Silphium compositum"
Fl. Bor.-Amer. 2: 145. 1803.
Common names: Kidney-leaf rosinweed
Synonyms: Silphium compositum subsp. ovatifolium (Torrey & A. Gray) C. R. Sweeney & T. R. Fisher Silphium compositum subsp. reniforme (Rafinesque ex Nuttall) C. R. Sweeney & T. R. Fisher Silphium compositum var. reniforme (Rafinesque ex Nuttall) Torrey & A. Gray Silphium compositum subsp. venosum (Small) C. R. Sweeney & T. R. Fisher Silphium compositum var. venosum (Small) Kartesz & Gandhi Silphium lapsuum unknown Silphium orae unknown Silphium ovatifolium unknown Silphium reniforme unknown Silphium venosum unknown
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|name=Silphium compositum subsp. ovatifolium | |name=Silphium compositum subsp. ovatifolium | ||
|authority=(Torrey & A. Gray) C. R. Sweeney & T. R. Fisher | |authority=(Torrey & A. Gray) C. R. Sweeney & T. R. Fisher | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Silphium compositum subsp. reniforme | |name=Silphium compositum subsp. reniforme | ||
|authority=(Rafinesque ex Nuttall) C. R. Sweeney & T. R. Fisher | |authority=(Rafinesque ex Nuttall) C. R. Sweeney & T. R. Fisher | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Silphium compositum var. reniforme | |name=Silphium compositum var. reniforme | ||
|authority=(Rafinesque ex Nuttall) Torrey & A. Gray | |authority=(Rafinesque ex Nuttall) Torrey & A. Gray | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Silphium compositum subsp. venosum | |name=Silphium compositum subsp. venosum | ||
|authority=(Small) C. R. Sweeney & T. R. Fisher | |authority=(Small) C. R. Sweeney & T. R. Fisher | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Silphium compositum var. venosum | |name=Silphium compositum var. venosum | ||
|authority=(Small) Kartesz & Gandhi | |authority=(Small) Kartesz & Gandhi | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Silphium lapsuum | |name=Silphium lapsuum | ||
|authority=unknown | |authority=unknown | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Silphium orae | |name=Silphium orae | ||
|authority=unknown | |authority=unknown | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Silphium ovatifolium | |name=Silphium ovatifolium | ||
|authority=unknown | |authority=unknown | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Silphium reniforme | |name=Silphium reniforme | ||
|authority=unknown | |authority=unknown | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Silphium venosum | |name=Silphium venosum | ||
|authority=unknown | |authority=unknown | ||
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|publication year=1803 | |publication year=1803 | ||
|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/V21_174.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | ||
Revision as of 16:32, 18 September 2019
Plants scapiform, 50–250 cm; taprooted. Stems terete, glabrous (sometimes glaucous). Leaves: basal persistent, petiolate; cauline alternate, petiolate or sessile; blades cordate, deltate, elliptic, hastate, ovate, reniform, or sagittate, 2–35 × 0.5–52 cm, sometimes (proximal) pinnately or palmately lobed, bases oblique, truncate, attenuate, cordate, sagittate, or hastate, ultimate margins toothed, apices acute, faces glabrous, hispid, or scabrous. Phyllaries 11–18 in 2–3 series, outer appressed to reflexed, apices obtuse to cuspidate, abaxial faces sparsely scabrous. Ray florets 6–12; corollas yellow. Disc florets 20–85; corollas yellow. Cypselae 6–12 × 4–10 mm; pappi 1–4 mm. 2n = 14.
Phenology: Flowering summer–early fall.
Habitat: Open, pine and oak forests, sandy soils, fields, roadsides, meadows
Elevation: 0–1600 m
Distribution
Ala., Fla., Ga., N.C., S.C., Tenn., Va., W.Va.
Discussion
Selected References
None.
Lower Taxa
None.