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Webster 1913 Edition

Noun.

[From the color of the flower.]

(Bot.)

A genus of bulbous plants, natives of Southern Africa, named

Hæmanthus

, of the Amaryllis family. The juice of

Hæmanthus toxicarius

is used by the Hottentots to poison their arrows.

bloodflower ‎(plural bloodflowers)

Any of a group of bulbous African plants of the amaryllis family.
The juice of H. toxicarius, a bloodflower, was used by the Hottentots to poison their arrows.