is a specific kind of: bulbous plant.

is a broader term that covers: Fritillaria affinis, Fritillaria lanceolata, Fritillaria mutica, mission bells, rice-grain fritillary | black fritillary, Fritillaria biflora, mission bells | Fritillaria agrestis, stink bell | crown imperial, Fritillaria imperialis | Fritillaria liliaceae, white fritillary | checkered daffodil, Fritillaria meleagris, guinea-hen flower, leper lily, snake's head fritillary | brown bells, Fritillaria micrantha, Fritillaria parviflora | adobe lily, Fritillaria pluriflora, pink fritillary | Fritillaria recurva, scarlet fritillary.

is a member of: Fritillaria, genus Fritillaria.