Contains 1 accepted taxa overall.

Characteristics
Philodendron Schott
PHILODENDRON
Classification
ALISMATALES
Philodendron
Citation
PHILODENDRON Schott, Wiener Z. Kunst. 1829: 780. 1829, nom. et orth. cons.
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TYPE: Philodendron grandifolium (Jacquin) Schott 1829. (Arum grandifolium Jacquin 1797.)
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Philodendron hederaceum var. oxycardium HEARTLEAF PHILODENDRON Not Native FACU (NWPL)
[Family identification key]
1.  Free-standing to scarcely vining (roots sometimes wrapping around trees), the stem stout and trunk-like (Thaumatophyllum)
2
1.  Vine or vine-like, stems weak (some taxa only fertile when climbing, immature plants sometimes terrestrial and creeping and not climbing) (Philodendron)
3
2.  Leaf blade with well developed basal (posterior) pinnatifid lobes, the medial (anterior) blade pinnatifid with lateral lobes themselves often lobed, blade 50-150 cm long, 40-90 cm wide, the margins usually laxly undulate
2.  Leaf blade pinnatifid, the basal (posterior) lobes absent or poorly developed, the medial (anterior) blade pinnatifid with the lateral lobes lacking additional lobing, blade 10-25(40) cm long, 5-15(20) cm wide, the margins usually stiffly plane
3.  Leaf blade divided
4
3.  Leaf undivided
5
4.  Leaf blade pinnately lobed, the sinuses reaching ca. 1/2 distance to midrib
4.  Leaf blade deeply pinnatifid or bipinnatifid, the sinuses nearly reaching the midrib
4.  Leaf blade ovate, the midrib 1-1.4 times as long as the blade width
4.  Leaf blade ovate-lanceolate to deltate-ovate, the midrib 1.4-2 times as long as the blade width
5
5.  Cataphyll and petiole usually purplish or reddish
5.  Cataphyll and petiole green
Genus Synonyms
Synonym Full Citation Basionym Type
Arosma Arosma Rafinesque, Fl. Tellur. 3: 66. 1837 ("1836"). TYPE: Arosma obtusifolia Rafinesque 1837, nom. illegit. (Caladium fragrantissimum Hooker 1834.) Typified by Nicoloson, Taxon 16: 515. 1967.
Elopium Elopium Schott, Oesterr. Bot. Z. 15: 34. 1865. TYPE: Elopium surinamense (Miquel) Schott 1865. (Anthurium surinamense Miquel 1851.)
Telipodus Telipodus Rafinesque, Fl. Tellur. 3: 66. 1837 ("1836"). TYPE: Telipodus grandifolius (Jacquin) Rafinesque 1837. (Arum grandifolium Jacquin 1797.) = Philodendron Schott 1829.
Thaumatophyllum Thaumatophyllum Schott, Bonplandia (Hannover) 7: 31. 1859. TYPE: Thaumatophyllum spruceanum Schott 1859.