Philodendron caracaraiense Croat

Terrestrial, in flooded campina on white sand soil; internodes  3 cm long, 1 cm diam.; cataphylls 2.9 cm long, deciduous, unribbed, drying slightly reddish brown ; petioles 6.7-7.2 cm long, 3 mm diam., drying narrowly and acutely sulcate, finely ribbed, yellowish brown; blades ovate-elliptic, 15.1-16.7 cm long, 6.3-6.6 cm wide (averaging 16 x 6), 2.40-2.53 (averaging 2.46) times longer than broad, broadest midway, 2.2-2.5 (averaging 2.3) times long as petioles, abruptly acuminate at apex, obtuse at base, drying subcoriaceous, weakly bicolorous, yellowish brown and semiglossy above, grayish medium brown and semiglossy below; upper surface irregularly sub-granular to irregularly ridged; lower surface densely pale-speckled; midrib drying narrowly raised, prominently and narrowly ribbed and paler above, narrowly acute, irregularly folded or ridged and paler below; primary lateral veins 2-3 pairs, obscure, arising at a 40-45° angle, drying narrowly convex and concolorous above, bluntly acute and darker below; basal veins 2 pairs, free to base; minor veins arising from midrib, drying distinct above and below; laticifers long and discontinuous, weakly raised appearing like minor veins. INFLORESCENCES 1-2 per axil; peduncle 2.5 cm long, drying 5 mm diam. midway; spathe 10.6 cm long, 2.8 cm wide, to 1.5 cm diam. at the constriction just above the tube, acute at apex, flattening to 8 cm wide, tube and blade green outside; inside of tube reddish, blade inside color not noted, moderately thick, drying dark brown and matte outside, dark reddish brown and semiglossy inside with resin canals prominent and close, mostly in the tube; spadix white, 8 cm long, stipitate 3 mm; pistillate spadix 2.7 cm long, 1.3 cm diam.; staminate portion 5.2 cm long, bluntly pointed at apex, 8 mm diam.; sterile staminate portion 0.9-1.6 cm long, 11 mm diam. at base, 10 mm diam. at apex, paler than fertile staminate portion; pistils 2.5-2.8 mm long, 1.6-2 mm diam., 3-4-locular; ovules 1 per locule, basal 0.4 mm long, borne in a gelatinous envelope to 1. 8 mm long, the funicle about as long as the ovule.