My observations lead me to infer that the common dooryard plantain, Plantago rugelii Decaisne, normally produces simple, unbranched, fruiting spikes. In fact, until quite recently, I do not recall having ever seen a plant with a branched spike.
My observations lead me to infer that the common dooryard plantain, Plantago rugelii Decaisne, normally produces simple, unbranched, fruiting spikes. In fact, until quite recently, I do not recall having ever seen a plant with a branched spike.