Article · Wikipedia archive · Last revised Jul 27, 2026

Heterophyllaea

Heterophyllaea is a genus of two species of shrubs in the family Rubiaceae, native to Bolivia and Argentina.

Last revised
Jul 27, 2026
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≈ 1 min
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Heterophyllaea
Heterophyllaea pustulata: illustrations F-G
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Tracheophytes
Clade: Spermatophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Gentianales
Family: Rubiaceae
Subfamily: Rubioideae
Tribe: Coussareeae
Genus: Heterophyllaea
Hook.f.
species

See text.

Heterophyllaea is a genus of two species of shrubs in the family Rubiaceae, native to Bolivia and Argentina.

Heterophyllaea pustulata also known as cegadera contains an unknown toxin that causes photosensitization in sheep and cows.1 It can grow to between 2 and 3 meters in height and is typically found in northwest Argentina at an altitude between 2,500 and 3,000 meters above sea level.2

Species
  • Heterophyllaea lycioides (Rusby) Sandwith
  • Heterophyllaea pustulata Hook.f.
References

References

  1. "Heterophyllaea pustulata". TheFreeDictionary.com. Retrieved 2018-07-17.
  2. C., Núñez Montoya, Susana; Núñez, Montoya, Susana C.; R., Comini, Laura; Rumie, Vittar, Belén; M., Fernández, Ivana; A., Rivarola, Viviana; L., Cabrera, José (2008). "Phototoxic effects of Heterophyllaea pustulata (Rubiaceae)". Toxicon. 51 (8): 1409–15. Bibcode:2008Txcn...51.1409N. doi:10.1016/j.toxicon.2008.03.011. ISSN 0041-0101. PMID 18513778.{{cite journal}}: CS1 maint: multiple names: authors list (link)