Anthurium tunquii Croat

CATE Araceae, 17 Dec 2011. araceae.e-monocot.org

Distribution

Northern Perú.

Diagnostic

Characterized by large cataphylls, long oblong to oblongelliptic shaped blades, and red spadix. It is closest to A. apanui Croat, but that species has smaller cataphylls, fewer, more distinct primary veins spaced farther apart, and a green spadix.

Vernacular

Local Aguaruna name: idaimas.

Habitat

Tropical wet forest (T-wf), Premontane wet forest (Pwf) and Tropcial moist forest (T-mf) life zones.

General Description

Epiphytic; internodes short, drying 1.2-2 cm diam.; cataphylls 9.5-14 cm long, tan, weathering to a large reticulate mass with some longitudinal fibers closer to the apex. LEAVES: Petioles 21.5-25.5 cm long, drying 2-5 mm diam., yellowish brown; blades oblong to oblong-elliptic, acuminate (acumen 2.5-3 cm long), cuneate to attenuate at base, 37-40 (- 46) × 7.5-8 cm, eglandular, pale to medium brownish green, sometimes more yellowish brown above, closely dark glandular-punctate, yellowish brown tinged with gray below; midrib convex, brown to concolorous above, convex and slightly more raised, concolorous below; primary lateral veins 10-13 per side, scarcely more prominent than interprimary veins; collective veins arising from near base, as prominent as primary lateral veins, 4-6 mm from margin, sometimes a very faint, short, secondary collective vein exists, ending about 1.3 cm from base. INFLORESCENCES with peduncle 28-39 (-50) cm long, drying 2-3 mm diam.; spathe erect or reflexed-spreading, oblong-elliptic, 4.5-5 cm × 6 mm at widest part near base unfurled, acuminate; spadix reddish brown, cylindrical, erect but sometimes arching to a 90° angle, 5-8 (-21) cm long, drying 3-4 mm diam. Flowers 1.6-1.9 × 1.2-1.3 mm, 4-5 (-6) visible per spiral; lateral tepals 0.9 mm wide, outer margins 2 sided.