Araceae
Anthurium simpsonii Croat
SUMMARY
Description based on dried material only. Epiphytic; stem ca. 1.5 cm diam.; roots numerous, dense, gray-brown and shortly woolly-pubescent, moderately thick and elongate, somewhat tapered at apex, 3-5 mm diam.; cataphylls subcoriaceous, 11.5-12 cm long, acuminate at apex, tan, persisting intact, eventually as a reticulum of fibers. LEAVES erect or somewhat spreading; petioles 6 cm long, ca. 6 mm diam., D-shaped, probably flattened adaxially, rounded or multi-ribbed abaxially; geniculum slightly darker than petiole, ca. l cm long; blades subcoriaceous, oblong-oblanceolate, acute at apex (the acumen apiculate), acute at base, 66 cm long, 8.5 cm wide, broadest at or above the middle; upper surface glossy, lower surface semiglossy; both surfaces matte, grayish green; midrib flat to convexly raised above, concolorous with the surface, prominently and convexly raised below, paler than surface; primary lateral veins ca. 22 per side, departing midrib at 50-60° angle, ± straight to the collective vein, raised above and below, slightly paler than surface below; interprimary veins prominulous below; reticulate veins visible below; collective vein arising from near the base, raised above and below, less prominent than primary lateral veins, 1-3 mm from margin. INFLORESCENCES with peduncle 23-25 cm long, ca. 3 mm diam., ca. 5 x as long as petioles, terete; spathe, yellowish brown, oblanceolate, ca. 5 cm long, 0.8 cm wide, acute at base, the margins meeting at an acute angle; stipe 7 mm long in front, 3 mm long in back; spadix purplish, cylindroid, erect, ca. 5 mm diam.; flowers ± square; 5-7 flowers visible in principal spiral, 7-9 in alternate spiral; tepals deep purple with light tips; lateral tepals 0.9-1.2 mm wide, the inner margins straight, the outer margins 2-sided; pistils glossy, wine-red; stigma probably slitlike; anthers 0.4 mm long, 0.4-0.5 mm wide; thecae oblong, 0.2 mm wide, slightly or not at all divaricate. INFRUCTESCENCE with spathe persistent; spadix 12.5 cm long, 1.8 cm diam.; berries purple, ovoid, acute at apex, 6.5 mm long, 5.5 mm diam.; mesocarp translucent, gelatinous, orange; seeds 2 per berry, yellow-brown, flattened, 3.5-3.7 mm long, 2.7 mm diam., 0.9-1 mm thick, enveloped by gelatinous, translucent substance.