Special Closure

Due to the 58th Presidential Inauguration, the U.S. Botanic Garden will be closed January 18-21, 2017. We will reopen at 10 a.m. on January 22.

Silversword

Argyroxiphium sandwicense
Plant Botanical Name: 
Argyroxiphium sandwicense
USBG Plant Location: 
Conservatory
Conservatory Room Location: 
Hawaii
Plant Threat Level: 
Threatened

Argyroxiphium sandwicense is endemic to the islands of Maui and Hawaii. Subspecies macrocephalum occurs on Maui, and subspecies sandwicense on the island of Hawaii. There are a total of eight subpopulations, many of which are limited to very few remaining naturally occurring plants.