The diminutive orchid Stigmatodactylus sikokianus was named in 1891 for the finger-like appendage on its stigma. Now ... that this structure enables the plant to self-pollinate when insects ...

Someone has to provide the entertainment. This film introduces the anatomy of the flower, including the receptacle, sepals, nectaries, carpel, stigma, style, ovary, stamen and petals. By ...