Anthurium krukovii Croat

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

Habitat

Probably in a tropical moist forest life zone.

General Description

Description based on dried material only. Terrestrial or epiphytic; stem 5-10 mm diam.; roots dense, numerous, spreading, pubescent, relatively short, bluntly pointed, 1-5 mm diam.; cataphylls lanceolate, thin, 4-8 cm long, acute at apex, brown, persisting intact, eventually deciduous. LEAVES with petioles 19.5-38 cm long, ca. 3-7 mm diam., subterete, narrowly sulcate with rounded margins adaxially, rounded abaxially; geniculum darker than petiole, 0.6-1.5 cm long; blades subcoriaceous, ovate-elliptic, long-acuminate at apex, acute to semirounded at base, then narrowing abruptly to the geniculum (making geniculum seem remote from base by 4-11 cm), 26-40 cm long, 11-18 cm wide, broadest below or near the middle, the margins concave toward the base, apparently shallowly undulate; surface semiglossy, green to yellowish green; midrib narrowly convex above, sharply acute below; primary lateral veins 7-10 per side, departing midrib at 40-65° angle, ± straight, raised above and below, more sharply so below; tertiary veins weakly raised; reticulate veins obscure above, weakly raised below; collective vein arising from near the base to about the middle of the blade, equally as prominent as primary lateral veins, 5-15 mm from margin. INFLORESCENCES with peduncle 31-57.5 cm long, ca. 3-4 mm diam., equaling or to 1.8 x longer than petiole, light to olive-green, terete; spathe recurled, membranous, pale reddish green, oblong-lanceolate, to 8 cm long, ca. 0.7 cm wide, broadest near the base, narrowly acute at apex, acute and decurrent at base; stipe 1.5-3.5 cm long in front, (0)8-17 mm long in back; spadix dark red to brown, long-tapered, usually long-stipitate, 12- 15 cm long, 4-5 mm diam. near base, ca. 2 mm diam. near apex; flowers ± square or rhombic when dried, 1.2-1.8 mm in both directions, the sides straight to smoothly sigmoid; 5-7 flowers visible in principal spiral, 8-9 in alternate spiral; lateral tepals 0.9-1.2 mm wide, the inner margins straight to broadly rounded, the outer margins 2-sided; pistils emergent, not raised; stigma ellipsoid, 0.5-0.7 mm long; anthers 0.2-0.3 mm long, 0.4-0.5 mm wide, inclined over pistil; thecae ovoid, slightly divaricate. INFRUCTESCENCE with spathe deciduous; spadix ca. 1 cm diam.; berries violet, (rehydrated) globose to oblong-ovoid, rounded at apex, 3.5-3.7 mm long, 2.6-3.5 mm diam.; pericarp somewhat thickened with moderately numerous pale raphide cells; seeds 1 or 2 per berry, brown, oblong-ovoid, somewhat flattened laterally, 2.5-2.8 mm long, 1.8-2 mm diam., 1.2-1.4 mm thick.

Distribution

Known from a few collections made in the central, northern and southwestern parts of Amazonas, Brazil.