mexican sword plant

alisma ellipticum nathpurense virgata alismataceae alismatales amazon sword flower aquatic habitats plant plants beautiful beautiful beauty bloom blooming blooming flowers blossom decorative echinodorus echinodorus ellipticus palifolius subalatus flora floral fresh garden leaf melati air mexican sword-plant mexico nature outdoor petal sagittaria palaefolia palaefolia nees palifolia spring summer tropical tropical water feature white white wildflower yellow