Polyploidy is a major mechanism of adaptation and speciation in plants. Two varieties of Hedychium villosum, var. villosum and var. tenuiflorum, primarily diffe
A new Paphiopedilum entity found in southern Guangdong was studied taxonomically by means of internal transcribed spacer of nuclear ribosomal DNA analysis in ad
A revision of Elaeagnus L. for mainland China is provided based on field observations and herbarium studies. Forty-two morphological characters are selected and