Show Lower Taxa
Difference between revisions of "Silphium radula"
Trans. Amer. Philos. Soc., n. s. 7: 341. 1840.
Common names: Roughleaf rosinweed
Endemic
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|common_names=Roughleaf rosinweed | |common_names=Roughleaf rosinweed | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms= | |synonyms= | ||
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-->{{Treatment/Body | -->{{Treatment/Body | ||
| − | |distribution= | + | |distribution=Ark.;Kans.;La.;Mo.;Okla.;Tex. |
|discussion=<p>Varieties 2 (2 in the flora).</p> | |discussion=<p>Varieties 2 (2 in the flora).</p> | ||
|tables= | |tables= | ||
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|basionyms= | |basionyms= | ||
|family=Asteraceae | |family=Asteraceae | ||
| − | |distribution= | + | |distribution=Ark.;Kans.;La.;Mo.;Okla.;Tex. |
|reference=None | |reference=None | ||
|publication title=Trans. Amer. Philos. Soc., n. s. | |publication title=Trans. Amer. Philos. Soc., n. s. | ||
|publication year=1840 | |publication year=1840 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V21_182.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | ||
Revision as of 20:57, 27 May 2020
Plants caulescent, 30–250 cm; fibrous rooted. Stems terete, scabrous, hispid, or hirsute. Leaves: basal persistent or caducous, petiolate; cauline alternate or opposite, petiolate or sessile; blades lanceolate to ovate, 2–22 × 0.5–8 cm, bases attenuate to round, margins coarsely dentate or entire, apices acuminate to acute, faces scabrous, hispid, or hirsute. Phyllaries 18–37 in 2–4 series, outer appressed or reflexed, apices acute, abaxial faces scabrous. Ray florets 12–30+; corollas yellow. Disc florets 100–175; corollas yellow. Cypselae 10–17 × 7–15 mm; pappi 2–5 mm.
Distribution
Ark., Kans., La., Mo., Okla., Tex.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Basal leaves caducous; ray florets 20–30+ | Silphium radula var. radula |
| 1 | Basal leaves persistent; ray florets 12–18 | Silphium radula var. gracile |