TO Oe eee ae eae a rn Eee Geet, oat Aa 
A REVISION OF PHILIPPINE PIPERACEAE. 419 
6. Limb ovate-elliptic, acute and slightly longer on one side at the base, 
of the same width on both sides of the central nerve, 11 to 15 em 
Tota. 8° to Ooi “Wide... 77. P. glabrispicum 
6. Limb ovate-elliptic, subacute and of the same length on both sides 
at the base, distinctly not of the same width on both sides of the 
central nerve, 11 to 15 cm long, 5 to 9 em wide....... 78. P. nigrum 
5. Rachis pilose. 
6. Limb oblong-ovate, obtuse at the base, 12.5 em long, 4.7 em wide; 
spike shorter than the limb. coi 79. P. pilispicum 
6. Limb ovate, acute at the base, 9 cm long, 4.7 em wide; spike several 
times goneer than: the limb........7 oes 80. P. davaoense 
3. Flowers hermaphrodite; limb elliptic, acute at the base, 11 cm long, 5 
CUI ac aon soc nace Secs seve mnncisennsvesncaueeecee ees 78. P. nigrum B trioicum 
1. Berry free and stipitate. 
2. Limb of leaf multinerved and quite glabrous, ovate-elliptic, subacute at the 
base, rather long-acuminate at the apex, up to 8.5 em long, 4.5 em wide. 
81. P. pulogense 
2. Limb multiplinerved. 
3. Limb quite glabrous or very sparingly hirtellous on the central nerve 
beneath. 
4. Bract orbicular and glabrous. 
5. Limb oblong-ovate, obtuse or cordulate at the base, up to 10 cm long, 
and 78.2:-GIM “Wide | ........:Seeesp en emer a eats =x 3oced Coca atte 82. P. apoanum 
5. Limb narrowly oblong-ovate, obtuse and slightly inequilateral at the 
base, 11 cm long, 1.8 em wide..... ea asics 83. P. negrosense 
5. Limb oblong, equilateral and obtuse or acute at the base, 11 cm long, 
S.8 to: 4. cm Widen. ieee eerie ase nee non 84. P. densibaccum 
5. Limb elliptic-lanceolate, attenuate in its lower portion, equilateral and 
acute at the base, up to 12 em long and 3.5 em wide. 
85. P. dipterocarpinum 
4. Bract rounded-obovate, glabrous; limb ovate or oblong-ovate, rounded or 
subrounded at the slightly inequilateral base, 11.5 em long, 5 to 7.5 
CUNY WG. <_-c0-..--.-Soncseght REMI ve lnonao -vnnoenngeenco=cnnctateneng 86. P. dagatpanum 
4. Bract transversely elliptic, glabrous; limb elliptic-lanceolate, attenuate 
in its lower portion and acute at its equilateral base, 9 to 10 em long, 
BH. BB I WAS Sos re a ero ane 5 ov snoe nnn nse opetoonena 87. P. paucinerve 
4. Bract orbicular and ciliate on the margin; limb ovate-oblong, cordate at 
the base, up to 12 em long and 4 em wide............ 88. P. tenuirameum 
3. Limb glabrous or sparingly hirtellous on the central nerve of the upper 
surface, more or less pubescent on the lower surface. 
4. Berry globose or subglobose. 
5. Bract orbicular, glabrous. 
6. Limb oblong-ovate, cordulate or obtuse at the base, up to 11.5 em 
long and 4.5, cm wageeemuGgres....,................- 89. P. marivelesanum 
6. Limb ovate, rounded at the base, attenuate at the apex, up to 10.5 
cml lomp and 5.2 sommes coon nc os. 0 80. eg ceescctcses 90. P. basilanum 
6. Limb ovate, rounded at the base, long-acuminate at the apex, 12 em 
long, 7 em wide 92. P. caninum var. sablanum 
6. Limb elliptic-lanceolate, acute at the base, 13.5 cm long, 6 em wide. 
91. P. Hallieri 
5. Bract obovate-rounded, glabrous; limb ovate-lanceolate, acute at the 
base, up to 11.5 em long and 5.5 cm wide. 
92. P. caninum yar. glabribracteum 
