Pflanzenwissen · Art
Terrestrial with creeping rhizome, sometimes epiphyte; internodes 1–13 cm long, 3–6 mm diam.
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Terrestrial with creeping rhizome, sometimes epiphyte; internodes 1–13 cm long, 3–6 mm diam., medium green, matte or weakly glossy, soon light gray-brown; cataphylls thin, 3–7 cm long, bluntly 1-ribbed, weathering brown, mostly deciduous or with a few weak fibers persisting; LEAVES drying green; petioles subterete, narrowly and obtusely sulcate (the margins bluntly acute), medium green, matte to weakly glossy, 12–29 cm long, 3 mm diam.; geniculum1 cm long,4 mm diam., broadly sulcate; blades sagittate-subhastate, with lobes projecting outwards, concave near the base, acuminate, 17–31 cm long, 6–20 cm wide, averaging 23 x 15 cm, 1.2–2.6 times longer than wide, 0.8–1.7 times as long as petioles, thinly coriaceous, dark green and matte-subvelvety above, light green and matte below; midrib narrowly raised and slightly paler above, narrowly raised and slightly paler below; primary lateral veins 6–10 pairs, arising at 45–60° angle, loop-connected to the connective veins, deeply sunken and concolorous above, narrowly raised and slightly paler below; tertiary veins in part weakly raised below; collective veins arising from the 1 st basal vein, 4–8 mm from margin; basal veins 4–6, first 2 free to base, the remainder coalesced to varying degrees and branching from the posterior rib; posterior rib straight or slightly curved, naked 8–27 mm; sinus broadly to narrowly hippocrepiform. INFLORESCENCES erect-spreading; peduncle generallylonger than petiole, terete, 18–46 cm long, 2–3 mm diam.; s pat he green, lanceolate, caducous, ca. 7 cm long, 1.3 cm diam.; spadix sessile, tapered, dark green and glossy when immature, turning violet and matte when mature, 2.3–6.5 cm long, 4–5 mm thick. Flowers 4–5 visible per spiral, 2.4–2.6 mm long and wide; lateral tepals 2.2–2.4 mm wide, the outer margin 2-sided, inner margin broadly rounded. INFRUCTESCENCES: Berries green, early-emergent, mature berries not seen.
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Ecuador
Anthurium dolichocnemum is believed to be endemic to Ecuador (Morona-Santiago, Napo, Zamora-Cinchipe) at 1,000-2,000 m elevation in Montane moist forest, Montane wet forest and Premontane wet forest life zones.
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Terrestrial with creeping rhizome, sometimes epiphyte; internodes 1-13 cm long, 3-6 mm diam., medium green, matte or weakly glossy, soon light gray-brown; cataphylls thin, 3-7 cm long, bluntly 1-ribbed, weathering brown, mostly deciduous or with a few weak fibers persisting; LEAVES drying green; petioles subterete, narrowly and obtusely sulcate (the margins bluntly acute), medium green, matte to weakly glossy, 12-29 cm long, 3 mm diam.; geniculum 1 cm long, 4 mm diam., broadly sulcate; blades sagittate-subhastate, with lobes projecting outwards, concave near the base, acuminate, 17-31 cm long, 6-20 cm wide, averaging 23 x 15 cm, l.2-2.6 times longer than wide, .8-1.7 times as long as petioles, thinly coriaceous, dark green and matte-subvelvety above, light green and matte below; ntidrib narrowly raised and slightly paler above, narrowly raised and slightly paler below; primary lateral veins 6-10 pairs, arising at 45-60° angle, loop-connected to the connective veins, deeply sunken and concolorous above, narrowly raised and slightly paler below; tertiary veins in part weakly raised below; collective veins arising from the 1st basal vein, 4-8 mm from margin; basal veins 4-6, first 2 free to base, the remainder coalesced to varying degrees and branching from the posterior rib; posterior rib straight or slightly curved, naked 8-27 mm; sinus broadly to narrowly hippocrepiform. INFLORESCENCES erect-spreading; peduncle generally longer than petiole, terete, 18-46 cm long, 2-3 mm diam.; spathe green, lanceolate, caducous, ca. 7 cm long, l.3 cm diam.; spadix sessile, tapered, dark green and glossy when immature, turning violet and matte when mature, 2.3-6.5 cm long, 4-5 mm wide Flowers 4-5 visible per spiral, 2.4-2.6 mm long and wide; lateral tepals 2.2-2.4 mm wide, the outer margin 2-sided, inner margin broadly rounded. INFRUCTESCENCES: Berries green, early-emergent, mature berries not seen.
Anthurium dolichocnemum is believed to be endemic to Ecuador ( Napo , Zamora-Cinchipe)