plerumque 16 cm. longa, 2 mm. in diametro. Foliola el- 
liptica, 10-15 em. longa, 5.5-7.5 cm. lata; superiora 
aequalia, apice acuminata, margine longe et leviter sin- 
uata, valde membranacea, utrinque aspero-pilosa, atro- 
viridia, lateralibus cum nervis plerumque duodecim supra 
et subtus elevatis, nervis praecipuis et secundariis utrinque 
pilosis; petioli nudi. Inflorescentiae axillares, racemi- 
formes, multiflorae, 6-8 cm. longae. Pedicelli robusti, 
2-4 mm. longi, bracteis minutissimis, triangulari-subula- 
tis, 0.5 mm. longis. Flores parvi, albi. Sepala quinque ; 
duo exteriora crassa, extus et intus glabra, subovalia, 
apice rotundata, margine ciliata, 1.5 mm. longa, 1.3mm. 
lata; tria interiora majora, membranacea, rotundata, in- 
tus et extus glabra, fere 2.5 mm. longa, 2 mm. lata, valde 
inflexa, margine ciliata. Tori glandulosi quattuor, crassi, 
linguiformes. Petala quattuor, submembranacea, integra, 
obovata, apice rotundata, glabra, 3-38.5 mm. longa, 1.5 
mm. lata. Stamina octo, ex floribus prominenter exserta. 
Staminum filamenta pilis longioribus lanatisque dense 
vestita, 1.5-2 mm. longa. Antherae glabrae, 0.4 mm. 
longae. Ovarium obovoideum, 1 mm. in diametro, glab- 
rum, cum stylo glabro 1 mm. longo coronatum. Stigma 
profundissime trifidum, lobis crassis, pustulatis et circin- 
natis. Fructus capsularis, trivalvis, subdrupaceus; cap- 
sula oblique ovoidea, in stipitem attenuata, rostrata (styl 
reliquiis coronata), ecostata et exalata, epicarpio parum 
crasso, praeter stipitis basim glabra, 6-7 mm. longa, 3-4 
mm. lata, rostra usque ad 2 mm. longa. 
This new species is unusual in aspect and is distin- 
guished easily by its having black scaberulent hairs along 
the branchlets. 
Brazit: Estado do Amazonas, Sao Paulo de Olivenca. ‘‘Mata da 
terra firme. Cipozinho fino, caulifloro, flor branea.’’ April 3, 1944, 
A, Ducke 1628 (Tyrer in Herb. Inst. Agron. Norte, Belém). 
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