IUCN threat status:

Critically Endangered (CR)

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Description

The Latin 'insignis' means 'remarkable', which is a particularly apt epithet for this plant, long considered one of the most unusual and interesting plants of the Hawaiian flora (5). This member of the perennial bellflower family (Campanulaceae) is one of two morphologically similar species in the genus Brighamia, B. insignis and B. rockii (3). 'Olulu possesses a thick, succulent stem that is swollen at the base, tapers towards the apex, and is crowned by a dense rosette of fleshy leaves (3) (6). These plants are usually single-stemmed, although individuals have been observed with as many as four heads (7). Flowers are cream to yellow in colour and salverform (trumpet shaped) (7). Clustered into groups of three to eight (3), the 'olulu flowers possess a fragrance that resembles mild honeysuckle (5).

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Source: ARKive

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