Nymphaea loriana is a species of waterlily endemic to Manitoba, and Saskatchewan, Canada.
Nymphaea loriana has branching, 2 cm wide rhizomes. The membranous submerged leaves are 8-10 cm long, and 8-12 cm wide. The suborbicular to ovate-elliptic, 10âÂÂ21 cm long, and 8-18 cm wide floating leaves have a papery texture. The adaxial leaf surface is green, and the abaxial leaf surface is bright green with occasional purple colouration.
The 7.5âÂÂ10 cm wide flowers have four sepals, and 12âÂÂ21 petals. The androecium consists of 33âÂÂ48 yellow stamens. The gynoecium consists of 8âÂÂ11 carpels. The 2-2.5 cm wide fruits with coiled peduncles bear 3.5-4 mm long, 2.5-3 mm wide, arillate, greenish-brown, ovoid, smooth seeds.
Despite being of hybrid origin, Nymphaea loriana is fertile.
It was first described by John Harry Wiersema, Carl Barre Hellquist, and Thomas Borsch in 2014.
The type specimen was collected by John Harry Wiersema, Carl Barre Hellquist, and Thomas Borsch in Egg Lake, south of Cumberland House, Saskatchewa, Canada on the 18th of August 2000.
It is placed in Nymphaea subgenus Nymphaea.
Nymphaea loriana is of hybrid origin.
The specific epithet loriana refers to Lori Wittlake Wiersema (1958âÂÂ2013), the wife of John Harry Wiersema.
The IUCN conservation status is endangered (EN). The NatureServe conservation status is Critically Imperiled (G1).
Nymphaea loriana is found in lakes, ponds, marshes, or streams with clear, stagnant, or gently flowing water at depths of 1.5âÂÂ2 meters. It requires clear water.