Philodendron warszewiczii K.Koch & C.D.Bouché
  • Index Seminum (B) 1855(App.): 4 (1855) 

Notes: Distribution: S. Mexico to C. America

General Description

Usually terrestrial, or on rocks, sometimes epiphytic; stem appressed-climbing, thick, succulent, bare, leaf scars conspicuous, 1.5--2.6 cm long, 1.5--2 cm wide; internodes short near apex, semiglossy, glaucous, 3--5(15) cm long, 2.5--7(10)cm diam., often longer than broad lower down, dark green to gray-brown; roots pale green to dark brown, few per node, epidermis drying yellowish; cataphylls thin, soft, 18--33 cm long, weakly to sharply 2-ribbed, pale green to whitish, lightly and densely short-lineate, deciduous intact. LEAVES often deciduous in dry season; petioles 33-58(80) cm long, 1--2 cm diam., subterete to C-shaped, moderately soft, weakly flattened to rounded with thick, medial rib adaxially, with adaxial margins sharply raised, surface sharply striate, with a dark green ring around apex; blades triangular-sagittate in outline, deeply bipinnately or bipinnatisect to within 1--4 cm of the midrib, thin, semiglossy, moderately bicolorous, more or less rounded at apex (the acumen 2 mm long), cordate at base, 31--78 cm long, 30--62 cm wide (0.9--1.3 times longer than wide), (1--1.3 times longer than petiole), upper surface moderately glossy, moderately paler, margins sinuate; median lobe 17--52 cm long, 23--63 cm wide, rounded to obtuse; lateral segments 1--30 cm long, 11--28 cm wide, pinnately lobed with 3 or more lobes per side, acute or acuminate; interlobal sinuses 0.78--0.94 the length of the blades; midrib flat, obscurely striate, slightly paler than surface above, raised, obscurely striate, slightly paler than surface below; basal veins 2--6 per side, with 0--1 free to base, second and third pair coalesced 2--5 cm, third and higher order veins coalesced 5--7 cm; posterior rib naked along most of its margin; primary lateral veins 3--6 per side, departing midrib at a 55--70º angle, straight to the margins, weakly raised above, raised, paler than surface below; tertiary veins raised, paler than surface above and below; minor veins visible, darker than surface below, distinctly visible on drying, arising from both the midrib and primary lateral veins. INFLORESCENCES 1(3) per axil; peduncle (2.5--3)4.5--11(16) cm long, 1--2 cm diam., dark green, dark short-lineate; spathe 13.5--30 cm long, 4--7.5 cm diam. (1.1--3.6(4.7) times longer than peduncle), medium to dark green throughout, blunt at apex, scarcely constricted; spathe blade short dark green lineate outside, 12 cm long, pale green to white inside; spathe tube weakly short dark green lineate outside, 14 cm long, pale green to white or purple or red inside; spadix sessile; white throughout, 14--24(30) cm long, constricted weakly above pistillate portion; pistillate portion 3 cm long in front, 2 cm long in back, 1.3 cm diam. at apex, 1.7 cm diam. at middle, 1.6 cm wide at base; staminate portion 8.3--15 cm long; fertile staminate portion 1.6 cm diam. at base, 1.4 cm diam. at middle, 9 mm diam. ca. 1 cm from apex; sterile staminate portion 1.3 cm diam.; pistils (1.1)4.1 mm long, 3.5--4.5 mm diam.; ovary 4-5-locular, 2.6,9.5 mm long, 3.5--4.5 mm diam., with axile placentation; locules 2.6 mm long, 0.8--1.1 mm diam.; ovule sac 2.4 mm long; ovules 3--4 per locule, 0.5 mm long, contained in thick, translucent matrix; style 1.2--1.6 mm long, 1.2--1.4 mm diam., similar to style type E; style funnel broad, moderately deep; style apex more or less flat; stigma subdiscoid, unlobed, 0.7 mm diam., 0.3 mm high, lining entire upper surface of funnel; the androecium truncate, prismatic, oblong, margins irregularly 4--6-sided, 3.3 mm long, 1.3 mm diam. at apex; thecae oblong, 0.4 mm wide, more or less parallel to one another and nearly contiguous; sterile staminate flowers rounded to somewhat clavate, irregularly 4--6-sided, 2.6 mm long, 1.3--1.8 mm wide. INFRUCTESCENCE brownish outside, brownish inside, to 3 cm wide pistillate spadix 3--7.5 cm long; berries white, 8--11 mm long; seeds 3--4 per locule, pale yellow, oblong-ellipsoid, 2--2.5 mm long, 1--1.2 mm diam., with pale raphide cells.


Tropical dry forest life zones. In Mexico, the species occurs in "Selva Mediana Subperennifolia" and "Selva Baja Caducifolia".


Ranges from Mexico (Jalisco and Chiapas) to El Salvador on the Pacific slope, and to Honduras and Nicaragua.

Distribution Map

  • Native distribution
Found in
  • Northern America Mexico Mexico Southeast
  • Mexico Southwest
  • Southern America Central America El Salvador
  • Guatemala
  • Honduras
  • Nicaragua
  • Panamá


  • 1 Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.
  • 2 Govaerts, R. & Frodin, D.G. (2002). World Checklist and Bibliography of Araceae (and Acoraceae): 1-560. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • 3 Stevens, W.D., Ulloa U., C., Pool, A. & Montiel, O.M. (2001). Flora de Nicaragua. Monographs in Systematic Botany from the Missouri Botanical Garden 85: i-xlii, 1-2666.
  • 4 Croat, T.Bernard A revision of Philodendron subgenus Philodendron (Araceae) for Mexico and Central America Ann. Missouri Bot. Gard. 84, (1997).

 Information From

CATE Araceae
Haigh, A., Clark, B., Reynolds, L., Mayo, S.J., Croat, T.B., Lay, L., Boyce, P.C., Mora, M., Bogner, J., Sellaro, M., Wong, S.Y., Kostelac, C., Grayum, M.H., Keating, R.C., Ruckert, G., Naylor, M.F. and Hay, A., CATE Araceae, 14 Dec 2011 . 17 Dec 2011.
  • A All Rights Reserved
eMonocot. (2010, 1st November). Retrieved Wednesday, 8th February, 2012, from
  • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
World Checklist of Selected Plant Families
WCSP 2014. 'World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; Retrieved 2011 onwards
  • C See You may use data on these Terms and Conditions and on further condition that: The data is not used for commercial purposes; You may copy and retain data solely for scholarly, educational or research purposes; You may not publish our data, except for small extracts provided for illustrative purposes and duly acknowledged; You acknowledge the source of the data by the words "With the permission of the Trustees of the Royal Botanic Gardens, Kew" in a position which is reasonably prominent in view of your use of the data; Any other use of data or any other content from this website may only be made with our prior written agreement.