72 
10. ASTROCARYUM PRINCEPS Barb. Rodr. 
PAP 72RETR0 
Caudex procerus, solitarius, aculeatus; foliis suberectis, æqualiter pinnatisectis; petiolo 
elongato, aculeatissimo; foliolis linearibus, oblique acuminatis, extimis irregulariter bifidis, 
bijugatis, alternis; spadix erectus; spatha aculeatissima. Drupa globosa, maxima, glabra, flavo- 
virens. 
Astrocaryum Princeps Barb. Rodr. Enum. Palm. Nov., p.22; 1n Rev. de Hort. Z, p.25; 
Contr. Fard. Bot. do Rio-de-Fan., p.80; Gardn. Chron. Apr. 1 (1 876), p.442; Kerch. Les Palm., 
p.282; Drude #n Mart. Æor. Bras. ITT. pars IL, p. 887, tab. LXXXTI, fig. IV; in Pflansenfam. L 
IT, IV, p.57; Index Kew. L, p. 240. 
Caudex procerus, solitarius, 20"-25"x0",3 Ig., internodiis 0”,12-0",18 lg., aculeis patentibus 
compressis nigris 0",06-0",12 lg. caducis armatus. /o4a 10-12 contemporanea, externa patentia, 
interiore erecta, subrecurva, 6" lg.; pe#olo ad basin late lanceolato, supra anguloso-canaliculato, 
subtus subcylindraceo, aculeis compressis nigris nitentibus o",01-0",09 lg. horrido; 7hkachis 
dorso convexa, antice bifacialia, albo-tomentosa et aculeata; /o4o/s 115-120 utrinque, linearibus, 
oblique acuminatis, ad apicem irregulariter bifidis, alternis, ad basin bijugatis deinde oppositis, 
1"-2"x0",045 lg, nervo mediano flavescente in facie superiorem prominente, ad marginam 
inermis, supra atroviridibus nitentibus, subtus albo-flavescentibus. Spadix 2° lg, erectus; 
pedunculo cylindraceo-compresso, ad apicem attenuato, 0",08 Ig., aculeis o",04 lg. ciliatis 
brunneo-purpureis imbricatis v. patentibus horrido; rhachis cylindracea, albo-tomentosa, aculeis 
horrida, sulcata; remis plurimis, o",7 lg., supra convexis, subtus compressis, angulosis, albo- 
tomentosis, sparse aculeatis, ad basin bracteatis; bracteis linearibus, tomentosis. Spatha exterior 
non observati; interior 2" Ig., 0",3 lata, ferrugineo-tomentosa, aculeis 0",04 Îg., compressis 
acutissimis erectis v. patentibus ad apicem plus aproximatis horrida, lanceolata, acuta, erecta. 
FLOR. MAsC. ad apicem ramis dense dispositi, bracteati; #racteris lanceolatis, flavo-tomentosis; 
calyx trisepalus, subcoriaceus, corolla minore; sepahs subtriangularibus, acuminatis; corolla 
tripetala; etais oblongis, acutis, in medium convexis, albis, ad apicem concavis et lilacinis; 
slamina corolla æqualia, flamentis erectis, undatis, atropurpureis; #/s#/lodio tripartito, sub- 
trigono, ad apicem lilacino; FEM. 4-5 contemporaneï, bracteati; bractea triangularia, acuta, 
tomentosa; ca/yx subcoriaceus, lageniformis, tridentatus, ad marginam argute laciniatus, albo- 
tomentosus, aculeis brunneis erectis armatus; corolla calycem minore, ovato-urceolata, oblique 
truncata, ad marginam laciniata, alba, albo-setosa; androcænm abortivum corollam connatum. 
Ovarium ovato-conicum, circum basi depressum, in s#y/um cylindraceum recurvum excurrente; 
shigmate tripartito floccoso. Drupa globulosa, flavo-virescens, enduviata, in vertice umbonata, 
rostellata, 0",065 x0",055 Ig.; epicarpio glabro, flavo-virescente; #ez0carpro vitellino, pulposo- 
farinaceo; exdocarpio osseo, nigro, reticulato; æ/bumine corneo, cavo; embryone cylindraceo, 
flavescente. 
Has. 2% locis jam cultis in Provincia Amazonum ef #n fluvio Tapajos #7 Provincia Paraensi. 
Foret. Fanuario. Fructificat Martio. Indii eam vocant Tukumä-uaçu. 
