Garden Closed

The United States Botanic Garden (USBG) is temporarily closed to the public to reduce the risk of transmitting COVID-19 coronavirus.

Whenever possible, the USBG will reschedule public programs and events originally scheduled during the closure period. Please monitor the USBG website for updates to operating status. Many resources can still be accessed online, including educational worksheets and manuals, fact sheets and more, and some of our programs will also be made available online. Find online resources at


Wiliwili flower
Plant Botanical Name: 
Erythrina sandwicensis
USBG Plant Location: 
Conservatory Room Location: 
Rare and Endangered Species
Plant Threat Level: 

Erythrina sandwicensis is known in Hawai'ian as Wiliwili, meaning twisted and referring to the seedpods, which twist open to reveal the bright red seeds. Erythrina sandwicensis naturally grows to about 45 feet tall and the same width. It is one of the few native deciduous Hawai'ian trees and loses it's leaves during the summer to conserve water. Typically, the Wiliwili blooms after the leaves although flowering can vary from the summer through November.