SRR620559 1_male-leaves SRX204511 male leaves smRNA SRR620560 2_female-leaves SRX204512 female leaves smRNA SRR620561 3_unfertilized-pistils SRX204513 unfertilized pistils smRNA SRR620562 4_fertilized-pistils SRX204514 fertilized pistils smRNA SRR620563 5_pollen SRX204515 pollen smRNA