Pseudogynoxys chenopodioides
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Pseudogynoxys
Species:
P. chenopodioides
Binomial name
Pseudogynoxys chenopodioides
(Kunth) Cabrera
Synonyms[1][2]
  • Gynoxys berlandieri DC.
  • Gynoxys berlandieri var. cordifolia DC.
  • Gynoxys berlandieri var. cuneata DC.
  • Gynoxys cordifolia Cass.
  • Gynoxys fragrans Hook.
  • Gynoxys haenkei DC.
  • Pseudogynoxys berlandieri (DC.) Cabrera
  • Pseudogynoxys haenkei (DC.) Cabrera
  • Pseudogynoxys hoffmannii (Klatt) Cuatrec.
  • Senecio berlandieri (DC.) Hemsl.
  • Senecio calocephalus Hemsl.
  • Senecio calocephalus Poepp.
  • Senecio chenopodioides Kunth
  • Senecio chinotegensis Klatt
  • Senecio confusus Britten
  • Senecio convolvuloides Greenm.
  • Senecio hemsleyi Britten
  • Senecio hoffmannii Klatt
  • Senecio kermesinus Hemsl.
  • Senecio rothschuhianus Greenm.
  • Senecio skinneri Hemsl.

Pseudogynoxys chenopodioides (syn. Senecio confusus), known commonly as the Mexican flamevine,[3] is a climber in the family Asteraceae, native to Mexico, Central America and the West Indies.

Description

Climbing a trellis, California
On a trellis in California

Pseudogynoxys chenopodioides is a fast-growing,[4] twining, herbaceous vine with smooth stems and alternate arrowhead-shaped evergreen leaves sometimes reaching a height of 5 metres (16 ft)).

It features orange ray flowers (which age to a bright red), orange disc flowers, and ribbed fruits with persistent bristles that profusely appear from spring to fall.[5][6] The plant will sporadically bloom all year-round in mild winter climates.[7]

Cultivation

Potted houseplant

The Mexican flamevine is prized as an ornamental because of its showy flowers. It is widely grown in gardens in parts of the United States. It requires full sun, well-drained soil, and either a trellis or a shrub to climb on.[8]

In colder areas, frost will kill the shoots, but the roots can survive the winter in most of the contiguous United States.[9][10] It can be grown as an annual plant in a cold climate due to its rapid growth rate. If not grown as a vine, it will grow in a sprawling shrub-like form.[11]

It is cultivated in Florida and has been reported as persisting after cultivation there, growing on disturbed sites.[5] It is also sold under the name 'São Paulo', which is a cultivar with scarlet flowers.[12]

P. chenopodioides is a nonhost of Digitivalva delaireae and this moth is an ineffective biocontrol of invasive Flame Vine[13] Nonetheless, the plant is rarely bothered by any pests, therefore making it good for beginners.[14]

Taxonomy

The plant's former scientific name Senecio confusus translates to "confused old man", which refers to the pappus bristles on the achenes and the vine's rampant habit of growth, respectively. Without support, a "confusion" of stems change the plant into a straggly shrub.[14] Its current taxonomic name Pseudogynoxys chenopodioides refer to its "pseudo" resemblance to some of the species within the gynoxys and chenopodioideae genus.

References

  1. ↑ Tropicos
  2. ↑ The Plant List
  3. ↑ USDA, NRCS (n.d.). "Pseudogynoxys chenopodioides". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 15 October 2015.
  4. ↑ Pseudogynoxys chenopodioides (Mexican flamevine) CGAPS
  5. 1 2 Pseudogynoxys chenopodioides (Kunth) Cabrera, Brittonia. 7: 56. 1950, Flora of North America v 20 p 608.
  6. ↑ Cabrera, Angel Lulio. Brittonia 7(2): 56. 1950.
  7. ↑ Senecio confusus (Mexican Flame Vine) Gardenia.net
  8. ↑ Brushwood Nursery, Pseudogynoxys chenopodioides
  9. ↑ Floridata
  10. ↑ Rare Palm Seeds
  11. ↑ Pseudogynoxys chenopodioides Missouri Botanical Garden
  12. ↑ Mexican Flame Vine (Pseudogynoxys chenopodioides 'Sao Paulo') National Gardening Association
  13. ↑
  14. 1 2 Senecio confusus - a Fiesta of Mexican Flowers for beginners and butterflies... Top Tropicals
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