158 
PEDALIACEAE, pedalium family 
[S, M: incl. MARTYNIACEAE] 
PROBOSCIDEA 
Proboscidea louisianica (Miller) Thell., devil’s claw, unicorn plant, 
ram’s horn, proboscis flower, p. 1372 
ssp. louisianica 
SESAMUM, sesame, bené 
+Sesamum orientale L. [S: S. indicum L.] (Seegeler, 1989), p. 1371 
PHRYMACEAE (see VERBENACEAE) 
PHYTOLACCACEAE, pokeweed family 
PHYTOLACCA 
Phytolacca americana L., pokeweed, poke, p. 630 
PLANTAGINACEAE, plantain family 
PLANTAGO, plantain 
*¢Plantago arenaria Waldst. & Kit., Indian plantain, whorled 
lantain [P. indica L.] (Mithlenbach, 1983) 
Te of this taxon is controversial, due to a 
Problems; most authors presently agree that 
is an illegitimate name, but the question of 
whether another applicable binomial, P. psyllium L., is 
a nomen ambiguum, remains to be resolved; see 
Rosatti (1984) for discussion 
P. aristata chaux, bracted Plantain, buckhorn, p. 1384 
Variety of 
S: Steyermark G: Great Plains Flora M: Mohlenbrock 
