Pollen limitation, plasticity in floral traits, and mixed mating system in an alpine plant Pedicularis siphonantha (Orobanchaceae) from different altitudes
Wen-Kui Dai, Edwin Luguba Kadiori, Qing-Feng Wang, Chun-Feng Yang
J Syst Evol . 2017, (3): 192 -199 .  DOI: 10.1111/jse.12240