Philodendron hederaceum

Philodendron hederaceum,[1] the heartleaf philodendron (syn. Philodendron scandens) is a species of flowering plant in the family Araceae, native to Central America and the Caribbean.

Philodendron hederaceum
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Alismatales
Family: Araceae
Genus: Philodendron
Species:
P. hederaceum
Binomial name
Philodendron hederaceum
Varieties

Philodendron hederaceum var. hederaceum
Philodendron hederaceum var. kirkbridei
Philodendron hederaceum var. oxycardium

Synonyms
  • Philodendron cuspidatum
    K. Koch & C. D. Bouché
  • Philodendron micans
    K. Koch
  • Philodendron scandens
    K. Koch & Sello

Description and cultivation

It is an evergreen climber growing to 3–6 m (10–20 ft), with heart-shaped glossy leaves to 30 cm (12 in) long, and occasionally spathes of white flowers in mature plants. With a minimum temperature requirement of 15 °C (59 °F), in temperate regions it must be grown under glass or as a houseplant.[2] Under the synonym Philodendron scandens it has gained the Royal Horticultural Society's Award of Garden Merit.[3][4]

Toxicity

Parts of the plant are known to contain calcium oxalate crystals in varying concentrations. Although the plant is known to be toxic to mice and rats, the current literature is conflicting with regards to its toxicity in cats.[5][6][7] Its possible toxic effects on humans are currently unknown although likely very mild if not harmless.[8]

References
  1. "Philodendron hederaceum". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 7 July 2010.
  2. RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 978-1405332965.
  3. "RHS Plant Selector - Philodendron scandens". Retrieved 6 February 2021.
  4. "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 76. Retrieved 24 April 2018.
  5. Der Marderosian, Ara and Giller, F. and Roia, F. (1976). Phytochemical and Toxicological Screening of Household Ornamental Plants Potentially Toxic to Humans. J. Toxicol. Environ. Health. 1: 939-953.
  6. Greer, M. J. (1961). Plant Poisonings in Cats. Mod. Vet. Pract., 42, 62.
  7. Sellers, Sarah J. and King, Maralee and Aronson, Carl E. and Der Marderosian, Ara (1978). Toxocologic Assessment of Philodendron Oxycardium Schott (Araceae) in Domestic Cats. Veterinary and Human Toxicology. Vol. 20, pp. 92-96, ISSN 0145-6296
  8. Mrvos, Rita and Dean, Bonnie S. and Krenzelok, Edward P. (1991). Philodendron/Dieffenbachia Ingestions: Are They a Problem?. Clinical Toxicology,29:4, p. 485—491


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