Difference between revisions of "Amphiachyris dracunculoides"
Trans. Amer. Philos. Soc., n. s. 7: 313. 1840.
Common names: Prairie broomweed
Basionym: Brachyris dracunculoides de Candolle Mém. Soc. Phys. Genève 7: 265. 1836
Synonyms: Gutierrezia dracunculoides (de Candolle) S. F. Blake Xanthocephalum amoenum var. intermedium Shinners
Treatment appears in FNA Volume 20. Treatment on page 88.
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|name=Brachyris dracunculoides | |name=Brachyris dracunculoides | ||
|authority=de Candolle | |authority=de Candolle | ||
| + | |rank=species | ||
|publication_title=Mém. Soc. Phys. Genève | |publication_title=Mém. Soc. Phys. Genève | ||
|publication_place=7: 265. 1836 | |publication_place=7: 265. 1836 | ||
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|name=Gutierrezia dracunculoides | |name=Gutierrezia dracunculoides | ||
|authority=(de Candolle) S. F. Blake | |authority=(de Candolle) S. F. Blake | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Xanthocephalum amoenum var. intermedium | |name=Xanthocephalum amoenum var. intermedium | ||
|authority=Shinners | |authority=Shinners | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Amphiachyris;Amphiachyris dracunculoides | |hierarchy=Asteraceae;Asteraceae tribe Astereae;Amphiachyris;Amphiachyris dracunculoides | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Amphiachyris dracunculoides | name=Amphiachyris dracunculoides | ||
| − | |||
|authority=(de Candolle) Nuttall | |authority=(de Candolle) Nuttall | ||
|rank=species | |rank=species | ||
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|publication year=1840 | |publication year=1840 | ||
|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_169.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Amphiachyris | |genus=Amphiachyris | ||
Revision as of 19:26, 16 December 2019
Plants 30–100(–200) cm. Primary stems 0.3–1(–2) mm diam. Leaf blades narrowly to broadly lanceolate, 5–60 × 0.5–6 mm. Heads in crowded corymbiform arrays. Phyllaries 2–3 × 1–2 mm. Receptacles deeply pitted, glabrous. Cypselae 1.2–2.2 mm, 7–9-ribbed, short-setulose. 2n = 10 (rarely 8).
Phenology: Flowering Jul–Nov.
Habitat: Calcareous, clay, or sandy soils, disturbed habitats
Elevation: 0–500 m
Distribution
Ala., Ark., Ill., Ind., Iowa, Kans., Ky., La., Miss., Mo., Nebr., N.Mex., Okla., Ohio, Pa., S.C., Tenn., Va.
Discussion
Amphiachyris dracunculoides is common in the south-central states, often in relatively large populations.
Selected References
None.
Lower Taxa
None.