Pseudogynoxys chenopodioides

(Kunth) Cabrera

Brittonia 7: 56. 1950. 1950

IntroducedIllustrated
Basionyms: 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.

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.