Crinum viviparum[1] is a Monocot plant species in the family Amaryllidaceae distributed across Asia.

[2] Crinum viviparum is widely distributed in Asia: from the Indian subcontinent to Indo-China.

In Vietnam names for this species include: nàng, nàng la gươm,[3] and náng hoa đỏ.

Wild specimens may have a main stem up to 600 mm (24 in) tall, supported from a bulb 50–60 mm (2.0–2.4 in) wide.

Flowers may be 50–60 mm (2.0–2.4 in) and white with pinkish margins.