Karyotype Features of 17 Species of Spiraea and Karyotype Parameters Analysis Association Analysis of Ornamental Traits with RAPD Markers in 18 Portion Materials of Spiraea L. TWO NEW VARIETIES FROM SHANDONG Effects of Low Temperature on Photosynthetic Proteins and Photosynthetic Capacities of Two Species of Spiraea Effects of Low Temperature on Photosynthetic Proteins and Photosynthetic Capacities of Two Species of Spiraea THE CHEMICAL STRUCTURES OF SPIRAMINE H, I AND O THE CHEMICAL STRUCTURES OF SPIRAMINE J,K,L AND M NEW DITERPENE ALKALOIDS FROM SPIRAEA JAPONICA VAR. ACUMINATA Seed Morphology and Its Taxonomic Significance of Spiraea L. in China Effects of drought stress on photosynthesis capability of Spiraea fritschiana and Spiraea bunmalba‘Goldmound’. Studies on Evaluation and Screening of Cold Resistance During Seedling Stage in Eighteen Species or Varieties of Spiraea Effects of Drought Stress Treatments on Photosynthesis and Proteins Related to Photosynthesis of Spiraea fritschiana and S. thichocarpa Molecular Identification of the Phytoplasma Associated with Spiraea Witches‘ Broom Effects of Drought Stress Treatments on Photosynthesis and Proteins Related to Photosynthesis of Spiraea fritschiana and S. thichocarpa Studies on establishment of calli culture for rapid propagation of Spiraea japonica SPIRAMILACTONE B, A NEW DITERPENOID FROM SPIRAEA JAPONICA VAR. STELLARIS THE DITERPENOID ALKALOIDS FROM SPIRAEA JAPONICA VAR. GLABRA A New Minor Diterpenoid Alkaloid from Spiraea japonica var.acuta Photosynthetic adaptability of the resistance ability to weak light of 2 species Spiraea L. Morphology Structure of Leaf Epidermis of Genus Spiraea in Heilongjiang Province Chemical constituents from Spiraea pubescens Phylogeography of Spiraea alpina (Rosaceae) in the Qinghai-Tibetan Plateau inferred from chloroplast DNA sequence variation Two New Diterpenoid Alkaloids from Spiraea japonica L. f. var. fortunei (Planchon) Rehd. Karyotype Features of 17 Species of Spiraea and Karyotype Parameters Analysis STUDY ON FLORISTIC ECOLOGICAL AND GEOGRAPHICAL DISTRIBUTIONOF SPIRAEA GENUS IN THE MONGOLIAN PLATEAU TWO NEW SPECIESOF SPIRAEA Phylogeography of Spiraea mongolica (Rosaceae) on the Qinghai-Tibetan Plateau and Adjacent Highlands Resources of the Spiraeas and Their Application to Landscaping The Structure of Spiaramonolin DITERPENE ALKALOIDS FROM SPIRAEA JAPONICA VAR. ACUTA CHEMICAL CONSTITUENTS OF SPIRAEA JAPONICA VAR. ACUMINATA ON REVISION OF SCIENTIFIC NAME OF SPIRAEA MONGOLICA MAXIM.VAR.TOMENTULOSA (YU) AND SPIRAEA TOMENTULOSA YU HSU A NEW VARIETY OF SPIRAEA FROM SHANDONG THE CHEMOTAXONOMY OF SPIRAEA JAPONICA COMPLEX Study on the evolutionary system of Spiraea genus in the Mongolian Plateau Chemical constituents from Spiraea salicifolia Notes on species of some genera of Rosaceae, China Studies on Evaluation and Screening of Cold Resistance During Seedling Stage in Eighteen Species or Varieties of Spiraea