minusve 20) cm. longis, basi teretibus, apice canalicula- 
tis, vivo valde complanatis; lamina valde coriacea, glabra, 
utrinque minutissime tessellata, hastata, 14-16 em. longa, 
parte centrali 8—5.5 em. (vel basi 6.5-10 em.) lata, apice 
acuta, basi truncata et abrupte triangulari-cuneata, lobis 
lateralibus rotundatis, margine integra, valde revoluta, 
nervis secundariis duobus nervo centrali subparallelis, 
adscendentibus, tertianis decem vel duodecim, subtus 
nervis prominenter elevatis supra conspicue canaliculato- 
depressis. Inflorescentia erecta, pedunculo robusto, cy- 
lindrico, conspicue striato-canaliculato, 80-35 cm. longo, 
2 mm. in diametro sed basim versus aliquid dilatato. 
Spatha vivo reflexa, anguste lanceolata, acutissima, extus 
densius scrobiculata, 5.5 cm. longa, 6 mm. lata, probab- 
iliter atrosanguinea vel fusco-rubens. Spadix erectus, 
non stipitatus, flavus, 5.5 cm. longus, maturitate 8 mm. 
in diametro. Flores quadrangulares, regulares, tepalis 
extus dense squamulosis. Baccae carnosae, virides, glob- 
osae, densae. 
It is at once evident that Anthurium tikunorum is very 
intimately allied to A. nemoricola Schultes & Maguire 
from the same region, but there are differences which 
would seem to be of sufficient magnitude to warrant a 
specific, and not a varietal rank, for the concept described 
above. Anthurium tikunorum is very much larger in all 
its parts than A. nemoricola; the leaves of the former 
species are very definitely hastate with prominent lateral 
lobes basally whereas those of the latter are subsagittate, 
albeit with a slight suggestion of lobes which, however, 
do not develop. 
The specific epithet of Anthurium tikunorum refers to 
the Tikuna Indians who inhabit Colombia’s trapecio 
amazonico and adjacent areas of Brazil and Pert and 
who employ this plant to relieve a condition of pyorrhea 
which is not uncommon amongst them; the astringent 
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