Difference between revisions of "Aphanostephus skirrhobasis"
Rep. (Annual) Arkansas Geol. Surv. 4: 191. 1891.
Common names: Arkansas lazydaisy
Basionym: Keerlia skirrhobasis de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 310. 1836
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|name=Keerlia skirrhobasis | |name=Keerlia skirrhobasis | ||
|authority=de Candolle | |authority=de Candolle | ||
| + | |rank=species | ||
|publication_title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. | |publication_title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. | ||
|publication_place=5: 310. 1836 | |publication_place=5: 310. 1836 | ||
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name=Aphanostephus skirrhobasis | name=Aphanostephus skirrhobasis | ||
| − | |||
|authority=(de Candolle) Trelease | |authority=(de Candolle) Trelease | ||
|rank=species | |rank=species | ||
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|publication year=1891 | |publication year=1891 | ||
|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/V20_808.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Aphanostephus | |genus=Aphanostephus | ||
Revision as of 20:30, 16 December 2019
Annuals, 5–45 cm; vestiture hirsuto-pilose and/or puberulent, stem hairs spreading to deflexed, 0.1–0.3 mm. Phyllary apices acute to short-acuminate. Ray florets (10–)25–45. Disc floret corollas: bases (mature) bulbous-swollen, indurate. Cypselae: hairs apically 1-directionally coiled; pappi usually coroniform, uneven, rarely of acute to awn-tipped scales 0.2–2 mm.
Distribution
s United States, n Mexico.
Discussion
Varieties 3 (3 in the flora).
Selected References
None.
Lower Taxa
Key
| 1 | Leaves thickened, densely, almost felty gray-hairy; sand dunes along Gulf Coast | Aphanostephus skirrhobasis var. thalassius |
| 1 | Leaves not strongly thickened or felty gray-hairy; sandy soils, interior localities | > 2 |
| 2 | Pappi of acute or awn-tipped scales or setiform scales 0.4–2 mm | Aphanostephus skirrhobasis var. kidderi |
| 2 | Pappi coroniform, uneven, ciliate, 0.1–0.3 mm, rarely of awn-tipped scales | Aphanostephus skirrhobasis var. skirrhobasis |