17,8 Merrill: Noteworthy Philippine Plants, XVI 323 
or less pubescent with scattered hairs, the apex subacute, the 
margin with distant, short, blunt teeth, base somewhat inequila- 
teral, distinctly cordate, at least that of the larger leaves; lateral 
nerves about 6 on each side of the midrib, prominent; petioles up 
to 10 cm long. Inflorescences axillary, the rachis and peduncle 
up to 8 cm long, pubescent, the bracts narrowly oblong, about 1 
em long. Flowers white, not secund, their pedicels about 1.5 
cm long, gradually merging with the perianth-tube which is up 
to 3 cm in length, terete or obscurely angled and more or less 
pubescent. Calyx lobes white, spreading, elliptic, the two larger 
ones 2 to 2.5 cm long, about 1.5 cm wide, rounded, the three 
others smaller, usually about half as large as the other two. 
Petals 5, oblong to narrowly oblong-obovate, rather thick, 
rounded, about 10 mm long, 5 to 6 mm wide. 
DINAGAT, Bur. Sci. 35258 Ramos & Pascasio, May 12, 1919, 
in forests along small streams at low altitudes. 
A species belonging in the same group with Pentaphragma 
philippinense Merr., from which it differs especially in its larger 
leaves, which are cordate at the base. 
