Pontederia (scientific name: Pontederia cordataL.) is a rainbow family, pontederia perennial perennial water or wet herbaceous plants, plant height up to 150 centimeters, the ground stem leaves are clustered, cylindrical petiole is green, the leaf blade is larger, dark green, the surface is smooth, the leaf shape is varied, but most of them are inverted ovate lanceolate. Scape erect, usually above the leaf surface, spikes terminal, each spike densely clustered with dozens to hundreds of blue-purple rounded florets, the upper two petals each have two yellow-green spots, the texture translucent, May-October flowering and fruiting.
Tropical and temperate zones in the Americas are distributed, North China and other places have introduced cultivation.
Pike grass can be used for family pots, pool planting, can also be widely used in landscaping, planted on both sides of the river, around the ponds, artificial wetlands, with the thousand Qujingzhu, leafy rudbeckia, water onion, Zelijahua, etc. planted in the interspersed, with ornamental value. Leaf color green, flower color is charming, long flowering period, strings of purple flowers in the green leaves of the contrast, a special interest, can be used for garden wetlands, waterfront, pond greening, can also be potted ornamental.? [1]?
(Overview image source: China Nature Herbarium? [2]?)
Chinese name
Pikeweed
Alias
North American Pikeweed, Hai Shouhua
Relief Flowers as below