rock lily

noun

1

: a tropical American club moss (Selaginella convoluta) that grows in dense tufts

2

: an Australian orchid (Dendrobium speciosum) having large green pseudobulbs and dense racemes of creamy white flowers that is usually found growing on rocks

3

: any of several rock-loving herbs: such as

a

: columbine

b

: pasqueflower

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