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Title
N. rubra-Nymphaea L #115355466
Description
Perennial aquatic herbs; rhizomes hypertrophic. Petiole cylindrical, slender. Leaves ellipsoid, floating on water surface, entire, leaf base heart-shaped, leaf surface green, back dark purple. Ye Erxing: floating leaves are round or ovate, with a curved base, heart-shaped or arrows, often without leaves, and thin, fragile leaves. Flowers solitary, floating or rising out of water; calyx four, green; petals usually eight.