Araceae
Anthurium cerrateae Croat & Lingán
Nomenclature
SUMMARY
Description based on dried material. Habit unknown, possibly terrestrial; stem unknown; cataphylls triangular-lanceolate, bluntly 1-ribbed on the upper 1/3, obtuse at apex, 10.9 cm, subcoriaceous, reddish brown, persisting intact. LEAVES erect to weakly spreading; petioles 29.8-50.2 cm, 0.5-0.7 cm diam., obtusely and broadly sulcate, sometimes bluntly 4 ribbed abaxially, green; sheath 1.7-3.2 cm; geniculum 1.4-2 cm; blades subcoriaceous, 29.6-64.3 x 22.2-45 cm, wider in the middle, widely ovate, abruptly acuminate at apex, deeply cordate at base, drying yellowish brown to grayish; margins convex; posterior lobes rounded, convergent, sometimes over lapping, 9-21.4 cm; sinus hippocrepiform to obovate; midrib acutely raised in both surfaces, sometimes only concave adaxially; primary lateral veins 3 to 6(to 7) pairs per side, straight to recurved near the collective veins, departing midrib at 40°-50°; basal veins (6 to)7 or 8(to 9) pairs, fused 3rd(4th) to 7th or 8th to the basal ribs; posterior ribs 2.1-5.5 cm, slightly curved, not naked; collective veins arising from the 3rd or 4th basal veins, generally very close to the margins, inconspicuous to 7 mm from the margins. INFLORESCENCE erect; peduncle 13.2-38.1 cm, 0.5-0.9 cm diam., greenish, 0.4-0.8 x longer than the petiole; spathe subcoriaceous, green, persistent, spreading to reflexed, 8.1-14.5 x 1.2-2.3 cm, lanceolate to oblong lanceolate, acute to acuminate at apex, cordate at base; spadix purplish or purple to grayish green, long tapered, 16.1-25.4 cm, 0.7-1 cm diam. at base, 0.4 cm diam. at apex; stipe greenish, 0.7-1.9 cm in front, 0.2-0.5 cm in back. Flowers rhombic, margins straight, ca. 3 X 2 mm; 6 to 10 flowers visible on the principal spiral, 6 flowers visible on the alternate spiral; tepals with the inner margins convex; pistils obovate; stigmas elliptic; stamens with anthers protruding at anthesis; anthers closely clustered over stigma; thecae slightly divaricate. INFRUCTESCENCE not seen.