familyAsteraceae
tribeAsteraceae tribe Senecioneae
genusPseudogynoxys
speciesPseudogynoxys chenopodioides

Pseudogynoxys chenopodioides

(Kunth) Cabrera

Brittonia 7: 56. 1950.

Theodore M. Barkley†
IntroducedIllustrated
Basionym: Senecio chenopodioides Kunth in A. von Humboldt et al., Nov. Gen. Sp. 4(fol.): 140. 1818; 4(qto.): 179. 1820
Synonyms: Senecio confusus Britten
Treatment appears in FNA Volume 20. Treatment on page 608.
Please click on the illustration for a higher resolution version.
Illustrator: Yevonn Wilson-Ramsey

Copyright: Flora of North America Association

Leaves: petioles mostly 1–3 cm; blades mostly 2–8 (–12) × 1–5 (–7) cm, bases broadly cuneate to truncate or rounded, apices acuminate to attenuate. Peduncles mostly 3–8+ cm. Calyculi of lance-deltate to filiform bractlets 2–10 mm. Involucres 8–12 × 12–20 (–25+) mm. Phyllaries puberulent (hairs crinkled), glabrescent. Ray corollas: laminae 12–20+ mm. Disc corollas 8–12 mm, lobes 1.5–2.5+ mm. Cypselae (2–) 4 mm; pappi 3–8+ mm.


Phenology: Flowering year round, mostly winter.
Habitat: Disturbed sites, waste grounds
Elevation: 0–100 m

Distribution

V20-1364-distribution-map.gif

Introduced; Fla., Mexico, West Indies, Central America

Discussion

Pseudogynoxys chenopodioides is widely cultivated as an ornamental. In Florida, it persists after cultivation; it may be encountered elsewhere along the Gulf Coast (a report from southern Texas has not been confirmed).

Selected References

None.

Lower Taxa

None.
... more about "Pseudogynoxys chenopodioides"
RDF feed
Anther base shape
not tailed +, rounded +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Apex relief
papillate +
Apex shape
acuminate;attenuate +
Apex texture
scarious +
Apical appendage shape
usually ovate +  and lance-linear +
Appendage pubescence
hispidulous +
Appendage relief
papillate +
Appendage shape
lance-attenuate +
Array architecture
corymbiform +
Array development
indeterminate +  and determinate +
Author
Theodore M. Barkley† +
Authority
(Kunth) Cabrera +
Band architecture
continuous +
Band quantity
1 +
Base shape
broadly cuneate +  and truncate or rounded +
Basionyms
Senecio chenopodioides +
Blade architecture
nerved +
Blade atypical length
8 cm80 mm <br />0.08 m <br /> (12 cm120 mm <br />0.12 m <br />) +
Blade atypical width
5 cm50 mm <br />0.05 m <br /> (7 cm70 mm <br />0.07 m <br />) +
Blade length
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Blade shape
ovate;lanceolate +
Blade width
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Body architecture
winged;nerved;ribbed +
Bractlet quantity
10;20 +
Bractlet shape
lance-deltate;filiform +
Bractlet some measurement
0.2 cm2 mm <br />0.002 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Branch arrangement or course or shape
linear +
Branch structure in adjective form
stigmatic +
Bristle architecture
barbellulate +
Bristle coloration
white +
Bristle pappus duration
persistent +
Bristle quantity
100;120 +
Calyculus presence
absent +
Calyculus quantity
Of 1 (15+ bractlets) +
Corolla architecture
not 2-lipped +
Corolla coloration
orange +  and more or less brick-red +
Cypsela architecture
monomorphic +
Cypsela architecture or shape
ribbed +
Cypsela atypical some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Cypsela pubescence
puberulent +
Cypsela shape
cylindric +
Cypsela some measurement
4 +
Disc-floret atypical quantity
12 (40) +
Disc-floret quantity
40 (80) +
Disc-floret reproduction
fertile +  and bisexual +
Disc corolla some measurement
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Distribution
Fla. +, Mexico +, West Indies +  and Central America +
Elevation
0–100 m +
Embryo course
straight +
Face pubescence
villous +
Filament fusion
distinct +
Floret architecture
pistillate +, staminate +  and neuter +
Floret atypical quantity
5;15 +
Floret position
proximal +
Floret quantity
1;5 +
Floret reproduction
bisexual +
Fruit architecture
winged +  and beaked +
Fruit condition or texture
dry +
Fruit density
dispersed +
Habitat
Disturbed sites, waste grounds +
Head architecture or arrangement
radiate +
Head arrangement
singly +
Head development
indeterminate +
Head reproduction
heterogamous +  and homogamous +
Illustration
Present +
Illustration copyright
Flora of North America Association +
Illustrator
Yevonn Wilson-Ramsey +
Individual head architecture
each +  and sessile +
Introduced
true +
Involucre atypical width
2 cm20 mm <br />0.02 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Involucre diameter
1.2 cm12 mm <br />0.012 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Involucre length
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Involucre position relational
surrounding +
Involucre shape
campanulate;turbinate or cylindric +
Involucre width
1.2 cm12 mm <br />0.012 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Lamina some measurement
1.2 cm12 mm <br />0.012 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Leaf architecture
petiolate +
Leaf arrangement
alternate +
Leaf position
cauline +
Line quantity
2 +
Lobe atypical quantity
4 (5) +
Lobe orientation
erect;reflexed +
Lobe quantity
5 (?) +
Lobe shape
lanceovate +  and lance-linear +
Lobe some measurement
? (?) +
Margin architecture or shape
dentate to pinnatifid +  and entire +
Margin shape
dentate +  and denticulate +
Margin texture
membranous +
Number of lower taxa
0 +
Ovary architecture
2-carpellate +
Ovary architecture or structure in adjective form
1-locular +
Ovary position
inferior +
Ovule fixation
attached +
Ovule orientation
anatropous +
Ovule quantity
1 +
Pappus duration
persistent +
Pappus some measurement
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Peduncle some measurement
3 cm30 mm <br />0.03 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
In 1 (3+ series) +
Petal fusion
connate +
Petiole some measurement
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Phenology
Flowering year round, mostly winter. +
Phyllarie arrangement or course or shape
lance-linear +  and linear +
Phyllarie atypical quantity
8 (12) +
Phyllarie duration
persistent +
Phyllarie fusion
distinct +
Phyllarie growth form or texture
herbaceous +
Phyllarie life cycle
falling +
Phyllarie orientation
erect +
Phyllarie pubescence
glabrescent +  and puberulent +
Phyllarie quantity
12 (26) +
Phyllarie size
subequal +
Phyllarie texture
Herbaceous (Chartaceous) +
Phyllarie variability
equal +
Publication title
Brittonia +
Publication year
1950 +
Ray-floret architecture
pistillate +
Ray-floret presence
absent +
Ray-floret quantity
6 (15) +
Ray-floret reproduction
fertile +
Receptacle architecture
epaleate +
Receptacle prominence or shape
flat +
Receptacle pubescence
bearing subulate enations +, hairy +  and bristly +
Receptacle relief
foveolate +
Receptacle shape
conic;usually flat;convex +
Reference
None +
Root texture
fibrous +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series atypical quantity
1 (2) +
Series quantity
2 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V20 1364.xml +
Special status
Introduced +  and Illustrated +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem growth form
climbing +  and twining +
Stem orientation
prostrate +  and ascending +
Stem quantity
1 +
Style-branch architecture
appendaged +  and truncate +
Style-branch structure in adjective form
stigmatic +
Style architecture
2-branched +
Style pubescence
glabrous +
Style quantity
1 +
Style relief
papillate +
Synonyms
Senecio confusus +
Taxon family
Asteraceae +
Taxon name
Pseudogynoxys chenopodioides +
Taxon parent
Pseudogynoxys +
Taxon rank
species +
Throat shape
campanulate +
Tube length or size
longer +
Volume
Volume 20 +
Whole-organism duration
perennial +  and annual +
Whole organism growth form
vine +
Whole organism some measurement
50cm (500cm) +