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Araceae
Philodendron reticulatum Grayum
SUMMARY
Hemiepiphytic climber; internodes 1-2.5 cm long, drying matte, medium to dark yellow-brown, closely folded-ridged. LEAVES: Petioles 14.5 cm long, sheathed to the base of blade or to within 6 mm of the base; sheath erect, drying yellow-green, many ribbed, matte; free portion of petiole sharply sulcate; blades narrowly elliptic, 25.6- 29.5 × 9.5-10.1 cm, 2.6-2.9 times longer than wide, 2-3.1 times longer than petioles, gradually long-acuminate at apex, narrowly rounded at base, markedly inequilateral, one side 2.1-2.2 cm wider, dark green and semi-glossy above, paler and semiglossy below, drying gray above, yellow-green below; midrib weakly sunken and paler, dark-speckled above, narrowly round-raised, yellow-brown and finely striate below; primary lateral veins 8-9 per side, arising at a steep angle then spreading at 60-70° angle, drying weakly raised and scarcely more apparent than the interprimary veins above, convex to narrowly rounded and moderately paler below with whitish stitching along margins; cross-veins moderately conspicuous below, less so on upper surface; the surface weakly pale punctate-lineate above, more conspicuously below. INFLORESCENCE solitary; peduncle 3 cm ×2-3 mm, drying yellow-brown, drying dark short-lineate near apex; spathe 6.5 cm × 11 mm, drying dark yellow-brown, matte; spadix 4.4 cm long; pistillate portion 1.9-2.2 cm × 9 mm; style 0.8-1.2 mm diam., with a broad, thin apron; stigma 0.6-0.7 mm diam., donut-shaped; staminate portion 1.4 cm long, narrowly tapered 2 mm diam.