prince's-feather

noun

1.
annual with broadly ovate leaves and slender drooping spikes of crimson flowers; southeastern Asia and Australia; naturalized in North America
kiss-me-over-the-garden-gate Polygonum orientale prince's-plume princess feather
2.
tall showy tropical American annual having hairy stems and long spikes of usually red flowers above leaves deeply flushed with purple; seeds often used as cereal
Amaranthus cruentus Amaranthus hybridus erythrostachys Amaranthus hybridus hypochondriacus gentleman's-cane prince's-plume purple amaranth red amaranth