Anthurium cinereopetiolatum Croat

Epiphytic or rarely terrestrial; stems elongate, to 20 cm or more, 1.5-2.5 cm diam.; gray-green: internodes 1-6 cm long, shorter near the stem apex; leaf scars 1-2 cm wide; roots several at some nodes, thick, branching; cataphylls medium thick, brittle, 7-20 cm long, acuminate at apex, with a subapical apiculum, drying tan, remaining intact and deciduous after drying. LEAVES erect-spreading to subpendent; petioles 6-30 cm long, 5-7 mm diam., flattened laterally, shallowly and sharply sulcate adaxially, rounded abaxially; geniculum 1.9-2.5 cm long, sometimes purplish, shaped like petiole; blades narrowly lanceolate-triangular, subcoriaceous, acute to gradually acuminate at apex, lobed at base. 20-55 cm long, 6-20 cm wide, broadest at base: anterior lobe 19-45 cm long, posterior lobes 1.5-12 cm long, directed outward and slightly upward, the sinus parabolic to triangular, rounded at apex; upper surface semiglossy; lower surface matte, obscurely punctate; midrib raised above, diminishing and sunken at apex, raised below. basal veins 4-6 pairs, the second to fourth coalesced 0.5-1 cm, sunken above, raised or flat below; posterior rib naked, the outer margin slightly upturned; primary lateral veins 9-30 per side, departing midrib at 45-60° angle, weakly raised in valleys above, flat below; collective vein arising from uppermost or second pair of basal veins, about as prominent as major lateral veins, 3-8 mm from the margin, sunken above, flat or slightly raised below. INFLORESCENCE erect-spreading, shorter than the leaves; peduncle 12.5-25 cm long, 5-7 mm diam.; terete, as long as to longer than petioles; spathe medium thick, pale green sometimes tinged purplish, narrowly lanceolate, 6-14 cm long, 1.6-2.5 cm wide, broadest at base, acuminate al apex, obtuse to clasping at base, inserted at 30-45° angle on peduncle: spadix sessile, green, 6-15 cm long, 6-9 mm diam. at base, 3-6 mm diam. at apex; flowers 4-lobed. 2-3.1 mm long, 2.3-2.9 mm wide, the sides jaggedly sigmoid, 4-10 flowers visible in the principal spiral, 7-12 flowers visible in the alternate spiral; tepals glossy, with droplets scattered throughout before stamens emerge, the lateral tepals 1.2-1.6 mm wide, the inner margin straight to slightly convex; pistil not emergent before an-thesis, pale green, very glossy; stigma ca. 0.3 mm long, linear, slightly indented; stamens emerging from base more or less rapidly, held in cluster over pistil when complete; anthers white, ca. 0.5 mm long, 0.8 mm wide, thecae ellipsoid, slightly divaricate; pollen white. INFRUCTESCENCE pendent, spathe green, reflexed, sometimes deciduous; spadix 12-31 cm long, ca. 2 cm diam.; berries pale red-violet to red, ovoid to oblong, pointed to narrowly rounded at apex, 6-9 mm long, 4-5 mm diam.; pericarp thin, with moderately conspicuous raphide cells; seeds 2, greenish white (?), flattened, more or less ellipsoidal, 2.5-3 mm long, 2-2.2 mm wide, 1-1.5 mm thick, enveloped completely in an ellipsoidal or ob-ovoid gelatinous, transparent substance, 4-4.5 mm long.