Some New Records from Yunnan COMMENTS ON THE TAXONOMIC POSITION OF SOME GENERA IN STERCULIACEAE Studies on chemical constituents from roots of Pterospermum heterophyllum Systematic Positions of Pterospermeae (Sterculiaceae)on the Basis of DNA Sequence Data Analysis of Fatty Acids in the Seeds of Sterculia lychnophora by GC-MS GEOGRAPHICAL DISTRIBUTION OF STERCULIACEAE Chemical constituents from leaves of Sterculia foetida Characteristics of Leaf Epidermis among Nine Species in Sterculiaceae by SEM Two new species and an additional description of one species of the Sterculiaceae from China Pollen Morphology of Craigia with Reference to Its Systematic Position On the Systematic Position of Paradombeya Stapf Advances in studies on mansonones