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Pollen grains of 15 individuals from Caragana microphylla and its two affinities and of 4 flower buds in different developmental stage on same individual were observed by SEM. 用掃描電鏡在個(gè)體水平上研究了小葉錦雞兒及其兩個(gè)近緣種1 5株植物和同株不同發(fā)育時(shí)期4朵花蕾中的花粉形態(tài)。