Difference between revisions of "Centaurea depressa"

M. Bieberstein

Fl. Taur.-Caucas. 2: 346. 1808.

Common names: Low cornflower
Treatment appears in FNA Volume 19. Treatment on page 184. Mentioned on page 183.
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|elevation=50–1400 m
 
|elevation=50–1400 m
 
|distribution=Md.;Nev.;sw;c Asia.
 
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name=Centaurea depressa
 
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|authority=M. Bieberstein
 
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|publication year=1808
 
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|special status=
 
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V19_207.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V19_207.xml
 
|tribe=Asteraceae tribe Cardueae
 
|tribe=Asteraceae tribe Cardueae
 
|genus=Centaurea
 
|genus=Centaurea

Latest revision as of 19:50, 5 November 2020

Annuals, 20–60 cm. Stems usually several–many from base, spreading, ± openly branched distally, loosely gray-tomentose. Leaves ± loosely gray-tomentose; basal and proximal cauline petiolate, blades oblong, 5–10 cm, margins entire or pinnatifid with terminal segment largest, apices obtuse; mid and distal cauline sessile, linear-lanceolate to oblong, blades usually not much smaller, entire, mucronate. Heads radiant, borne singly, pedunculate. Involucres ovoid to campanulate, 15–20 mm. Phyllaries: bodies green, ovate (outer) to oblong (inner), glabrous, margins and erect appendages silvery white to brown, scarious, fringed with slender teeth 1.5–2 mm. Florets 25–35; corollas of sterile florets spreading, dark blue, 25–30 mm, enlarged, those of fertile florets purple, ca. 15 mm. Cypselae brown, 4.5–6 mm, puberulent near attachment scar, otherwise glabrous; pappi of outer series of unequal stiff bristles 2–8 mm, inner series of slender scales ca. 1.5 mm. 2n = 16 (Armenia).


Phenology: Flowering spring–summer (May–Jul).
Habitat: Disturbed ground
Elevation: 50–1400 m

Distribution

V19-207-distribution-map.gif

Introduced; Md., Nev., sw, c Asia.

Discussion

Selected References

None.

Lower Taxa

None.