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Araceae
Philodendron longipedunculatum Croat & M.M.Mora
SUMMARY
Hemiepiphyte, near ground, flowering at ca. 1.7 m; stem 2 m long, 3-4.5 cm diam., grayish green; epidermis flaking, light brown, drying matte, minutely and deeply ribbed (the ribs minutely undulate); leaf scars grayish; internodes 2-2.5 cm long; roots 3-4 mm diam.; cataphylls 28-32 cm long, unribbed or bluntly 2-ribbed near apex, fleshy, slightly swollen at base, deciduous. LEAVES dispersed over most of the length of the stem; petioles more or less terete, 81-93 cm long, drying 6-8 mm diam., light green tinged grayish, with dark green intermittent lines, with narrow purple ring at apex, drying dark brown, matte, finely dark-striate; sometimes purplish spotted in the lower 20 cm, drying dark brown; sheath unusually long, 12-13 cm long; blades ovate, abruptly and narrowly acuminate at apex, deeply lobed at base, narrowly apiculate at apex, ca. 56 x 39 cm, 1.5 times longer than wide, broadest just above point of petiole attachment, thin, dark green and glossy, above, light green and semigloss-y to matte below, drying yellowish brown with occasionally grayish green streaks above, uniformly yellow-brown below, with the margins that dry undulate; anterior lobe ca. 41 cm long, posterior lobes ca. 19 x 17.5 cm, broadly rounded at apex; sinus spathulate, ca. 15 cm deep, 2 cm wide; midrib raised on both surfaces, light green; basal veins 8-10 per side, each heavily branched, 1st-3rd free to base, 4th fused -1 cm, 5th and higher fused to 3 cm; posterior ribs weakly curved, naked for 1 cm; primary lateral veins 10-11 pairs, heavily branched, especially in lower l/3 of each lateral vein, weakly quilted-sunken and much paler than surface above, drying darker than surface, raised and concolorous below, drying paler than surface; interprimary veins almost as distinct as primary lateral veins; minor veins drying visible but not markedly prominulous. INFLORESCENCE solitary; peduncle subterete, ca. 17 cm long, ca. 5 mm diam. midway (dry), light green, dark-green-intermittent-lineate, with purplish spots restricted to near the apex, drying blackish; spathe ca. 17.5 cm long, externally glossy, dark pink on tube, cream on spathe, short-lineate with scattered purplish spots throughout (lineations whitish except green abaxially), internally glossy whitish to cream and white, punctate with yellow resin canals, drying dark brown to blackish and mane; spathe tube ca. 8 cm long, 2.9 cm de diam.; spathe blade 9.5 cm long, 1.5 cm de diam. when furled.; spadix ca. 16.5 cm; staminate portion white, 10-11 cm long, 1.2-1.4 cm diam. midway, sterile portion 2 cm long, 1.4 cm de diam.; pistillate portion pale yellow, ca. 5.5 cm long, 1.5 cm de diam.; pistils 4 mm long; ovary prominently beaked at apex, the lower swollen portion 1.5 mm long, the slender beaked portion 2 mm long, the stigma globular 0.5 mm diam.; locules uncertain probably 4-5 per ovary; ovules basal 2-3 per locule; 0.6-0.7 mm long; funicle slightly longer than ovary.