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Araceae
Anthurium undatum Schott ex Kunth
SUMMARY
Climbing, glaucous-green. Stems small ["caudiculi"], internodes ca. 10 cm long. LEAVES: Petiole slender, 15 - 50 cm long, adaxially sulcate, longer than blade, sheath 1.5 - 2 cm long, geniculum short, sulcate, up to 1.25 cm long. Leaf blade thinly membranaceous, lower leaves 3 - 5 sect, upper leaves 7 - 9 sect, segments all free, with 1 - 1.5 cm long petiolules, oblong- to ovate-elliptic, 10 -15 cm long, 4 - 7 cm wide, at the apex abruptly contracted into a 1.5 - 1.75 long, narrowly lanceolate cusp, outermost segments strongly unequal, with the outermost half wider and rounded at the base, the middle segments equal, towards the base suddenly contracted and cuneately narrowed into the petiolule, veins paler prominent and abaxially, secondary veins 6 - 8 on each side, patent, joined together in a collective vein distant 0.7 - 1 cm from the margin. INFLORESCENCE: Peduncle short, no more than one half the length of the spadix, 3 - 4 cm long. Spathe 6 - 7 cm long, 1.5 cm wide, lanceolate, acuminate, purplish adaxially. Spadix sessile, slender, digitiform, longer than the spathe, 7 - 8 cm long, nearly 1 cm thick, glaucous pale violet. Berries obovoid, green, purple at the apex.