Difference between revisions of "Fleischmannia"

Schultz-Bipontinus

Flora 33: 417. 1850.

Etymology: For Gottfried F. Fleischmann, 1777–1850, teacher of Schultz-Bipontinus at Erlangen
Treatment appears in FNA Volume 21. Treatment on page 540. Mentioned on page 461, 462, 541.
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|distribution=se;s;c United States;Mexico;Central America;Andean South America.
 
|distribution=se;s;c United States;Mexico;Central America;Andean South America.
 
|discussion=<p>Species ca. 80 (2 in the flora).</p><!--
 
|discussion=<p>Species ca. 80 (2 in the flora).</p><!--
--><p>Fleischmannia is “superficially similar to Ageratina, which is distinguished from it by the less well developed carpopodium (not stopper-like and sharply set off from the body as in Fleischmannia), usually imbricate involucral bracts, and base chromosome number of x = 17 (versus 4 or 10 in Fleischmannia)” (R. M. King and H. Robinson 1987).</p>
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--><p><i>Fleischmannia</i> is “superficially similar to <i>Ageratina</i>, which is distinguished from it by the less well developed carpopodium (not stopper-like and sharply set off from the body as in <i>Fleischmannia</i>), usually imbricate involucral bracts, and base chromosome number of x = 17 (versus 4 or 10 in <i>Fleischmannia</i>)” (R. M. King and H. Robinson 1987).</p>
 
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|publication year=1850
 
|publication year=1850
 
|special status=
 
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V19-20-21/V21_1373.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_1373.xml
 
|tribe=Asteraceae tribe Eupatorieae
 
|tribe=Asteraceae tribe Eupatorieae
 
|genus=Fleischmannia
 
|genus=Fleischmannia

Latest revision as of 21:09, 5 November 2020

Annuals or perennials [subshrubs], 30–120+ cm (crowns fibrous-rooted). Stems erect, simple or sparingly branched (usually puberulent, hairs curled). Leaves cauline; opposite [alternate]; petiolate; blades 3-nerved, deltate-ovate or triangular-deltate [elliptic, rhombic], margins ± crenate to serrate, faces glabrous, sometimes gland-dotted. Heads discoid, in loose, corymbiform arrays. Involucres obconic to hemispheric, 2–4 mm diam. Phyllaries persistent, 20–30 in 2–4 series, 2–3-nerved, lanceolate to linear, unequal [subequal] (herbaceous to chartaceous). Receptacles flat or slightly convex [conic] (glabrous or with scattered hairs), epaleate. Florets 15–25 [10–50]; corollas bluish, pinkish, purplish, or white, throats narrowly funnelform (lengths 2.5–4 times diams.); styles: bases not enlarged, glabrous, branches linear-filiform. Cypselae prismatic, 5(–8)-ribbed, glabrous or sparsely hirtellous; pappi ± persistent or fragile, of [0 or 5–]20–40, barbellate bristles in 1 series. x = (4) 10.

Distribution

se, s, c United States, Mexico, Central America, Andean South America.

Discussion

Species ca. 80 (2 in the flora).

Fleischmannia is “superficially similar to Ageratina, which is distinguished from it by the less well developed carpopodium (not stopper-like and sharply set off from the body as in Fleischmannia), usually imbricate involucral bracts, and base chromosome number of x = 17 (versus 4 or 10 in Fleischmannia)” (R. M. King and H. Robinson 1987).

Selected References

None.

Key

1 Stems lax, sprawling or scandent; involucres 4–5 mm; outer phyllaries lanceolate, inner lanceolate to narrowly oblong-lanceolate, apices usually acute to attenuate, sometimes rounded; cypselae 1.8–2.8 mm Fleischmannia incarnata
1 Stems erect to ascending-erect (not sprawling-scandent); involucres 3–3.5 mm; outer phyllaries ovate, inner elliptic, apices usually obtuse to rounded, rarely truncate; cypselae 1–1.2(–1.5) mm Fleischmannia sonorae
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