Difference between revisions of "Jamesianthus"

S. F. Blake & Sherff

Publ. Field Mus. Nat. Hist., Bot. Ser. 22: 399. 1940.

Etymology: For Robert Leslie James, 1897–1977, American botanist and historian, and Greek anthos, flower
Treatment appears in FNA Volume 21. Treatment on page 377. Mentioned on page 364, 365.
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|publication year=1940
 
|publication year=1940
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V21_948.xml
+
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V21_948.xml
 
|tribe=Asteraceae tribe Heliantheae
 
|tribe=Asteraceae tribe Heliantheae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae

Revision as of 21:03, 27 May 2020

Perennials, 60–150+ cm (fibrous-rooted). Leaves cauline; opposite; petiolate or sessile; blades ± lanceolate to narrowly trullate, (bases sometimes ± auriculate) margins entire or denticulate, faces: abaxial glabrous, adaxial minutely scabrellous to hirtellous. Heads radiate, borne singly or in open, corymbiform arrays. Involucres ± campanulate or broader, 9–12+ mm diam. Phyllaries persistent, 14–18+ in ± 3 series (± oblong, ovate, ovate-oblong, or ovate-attenuate, unequal, outer shorter). Receptacles flat to convex, epaleate. Ray florets 6–8, pistillate, fertile; corollas yellow. Disc florets 20–30, all bisexual or inner functionally staminate; corollas yellow, tubes shorter than to equaling ± campanulate to funnelform throats, lobes 5, ovate-deltate to deltate (style branches stout, appendages deltate). Ray cypselae ± obovoid, weakly obcompressed, 16–24-nerved, ± hispidulous; pappi 0, or fragile, of 6–8+ barbellate bristles (borne on crowns). Disc cypselae ± ellipsoid to clavate, ± hispidulous; pappi 0, or fragile, of 6–8+ barbellulate bristles (borne on crowns).

Discussion

Species 1.

Selected References

None.

... more about "Jamesianthus"
John L. Strother +
S. F. Blake & Sherff +
For Robert Leslie James, 1897–1977, American botanist and historian, and Greek anthos, flower +
Publ. Field Mus. Nat. Hist., Bot. Ser. +
Undefined (tribe Undefined) subtribe Bahiinae +  and Undefined (tribe Undefined) subtribe Palafoxiinae +
Jamesianthus +
Asteraceae (tribe Heliantheae) subtribe Chaenactidinae +