"Character / species";"P. duyunensis";"P. leiandra" "Apex of abaxial corolla lip lobes";"acute and reflexed";"round and not reflexed" "Stamen filament indumentum";"densely glandular puberulent";"glabrous or sparsely pilose" Anthers;free;"coherent at apex" "Pistil length";"4.7–5.8 mm";"ca. 9 mm" "Pistil position";"included in the corolla";"exserted from the corolla" "Ovary shape";ovoid;"narrowly ovoid" "Style indumentum";"sparsely glandular puberulent";glabrous "Style length";"2.7–3.7 mm";"ca. 7 mm" "Style shape";"with a bent approaching 90°";"slightly curved"