Xin-Sheng Chen, Silvana Martén-Rodríguez, , Qing-Jun Li, and Charles B. Fenster. Potential Autonomous Selfing in Gesneria citrina (Gesneriaceae), a Specialized Hummingbird Pollinated Species with Variable Expression of Herkogamy[J]. J Integr Plant Biol, 2009, 51(10): 973-978.
Xin-Sheng Chen, Silvana Martén-Rodríguez, , Qing-Jun Li, and Charles B. Fenster. Potential Autonomous Selfing in Gesneria citrina (Gesneriaceae), a Specialized Hummingbird Pollinated Species with Variable Expression of Herkogamy[J]. J Integr Plant Biol, 2009, 51(10): 973-978.