Microcharacters 第1页

FLORAL MICROCHARACTERS OF THE SUBTRIBE TUSSILAGININAE(ASTERACEAE:SENECIONEAE) OF THE EASTERN ASIA AND THEIR SYSTEMATIC AND TAXONOMIC SIGNIFICANCE New evidence for the tribal placement of Sheareria within Astereae (Compositae) A STUDY ON THE MICROSTRUCTURAL FEATURES OF NUTLET SURFACES AND ITS TAXONOMIC SIGNIFICANCE TO CYPERUS(CYPERACEAE) A PRIMARYSTUDY ON THE MICROSTRUCTURAL FEATURES OF ACHENE SURFACES AND ITS TAONOMIC IMPORTANCE TO POLYGONUM