PLANTS OF SUMATRA 
PLANTS OF SUMATRA 
Araceae 
Aglaonema nitidum (Jack.) Kunth. 
Tigapuluh Mts . , Riau Province, 15 km SW of 
Talanglakat on Rengat-Jambi Rd. , vicinity of 
Sungai Sesirih. 0°48'S, 102°31'E. Alt.: c. 
200 m. River banks, slightly open places, 
rare . 
Stem c. 0.5 m tall, 3 cm dia. ; unbranched; 
spatha yellowish-green; female inflorescence 
yellow; male flowers white. 
J. S. Burley et al . 
1713 25 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATEIA 
Poaceae 
Leptaspls urceolata 
Tigapuluh Mts., Riau Province, 15 km SW of 
Talanglakat on Rengat-Jambi Rd. , vicinity of 
Sungai Sesirih. 0°48'S, 102°31'E. Alt.: c. 
200 m. River banks, slightly open places, 
common. 
Herb c. 0.30 ra tall, small tuft; glume brown. 
J. S. Burley et al . 
1714 25 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Selaginellaceae 
Selaginella frondosa Warb. 
Tigapuluh Mts., Riau Province, 15 km SW of 
Talanglakat on Rengat-Jambi Rd. , vicinity of 
Sungai Sesirih. 0°48'S, 102°31'E. Alt.: c. 
200 m. River banks, slightly open places, on 
moist stones, common. 
Herb c. 20 cm; frond brownish green on upper 
surface . 
J. S. Burley et al . 
1715 25 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
Hymenophyllaceae 
Trichomanes javanicum B1 . 
Tigapuluh Mts., Riau Province, 15 km SW of 
Talanglakat on Rengat-Jambi Rd. , vicinity of 
Sungai Sesirih. 0°48'S, 102°31'E. Alt.: c. 
200 m. River banks, slightly open places, 
sometimes on moist stones, common. 
Terrestrial fern, c. 20 cm; very small tuft, 
sometimes solitary; frond shining dark green; 
sori brown. 
J. S. Burley et al . 
1716 25 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Aspleniaceae 
Asplenium unilaterale Lam. 
Tigapuluh Mts., Riau Province, 15 km SW of 
Talanglakat on Rengat-Jambi Rd. , vicinity of 
Sungai Sesirih. 0°48'S, 102°31'E. Alt.: c. 
200 m. River banks, slightly open places, 
sometimes on moist stones. 
Terrestrial fern c. 25 cm tall; mostly 
solitary; fron shining green; sori brown. 
J. S. Burley et al . 
1717 25 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Araliaceae 
Trevesia burckii Boerl . 
Tigapuluh Mts., Riau Province, 15 km SW of 
Talanglakat on Rengat-Jambi Rd. , vicinity of 
Sungai Sesirih. 0°48'S, 102°31'E. Alt.: c. 
200 m. River banks, slightly open places. 
Single stemmed shrub c. 8m tall, 6 cm dia. ; 
petiole 0.99 m tall; lamina palmate, 6-9, 90 
cm dia.; inflorescence terminal; pedicels 
0.60 m long; reddish brown farina. 
J. S. Burley et al . 
1718 25 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
