Charan Leeratiwong and Saijai Jornead

pp. 769 - 787

Abstract

A survey of the vascular plants in Si Phang-nga National Park, Phangnga Province, was conducted
from September 2002 to August 2003. Five hundred and forty three species of 287 genera and 111 families
were collected. The most diverse family was Rubiaceae, 53 species. Four species of these collected plants
are endemic to Thailand, Argostemma lobulatum, Aristolochia helix, Crinum thaianum and Mallotus
hymenophyllus) and three species, Hedyotis hedyotidea, Lipocarpha microcephala and Pterolobium intergum
are newly recorded for southern Thailand.