Cyanea aculeatiflora Rock

Genus: Cyanea section Genuinae series Mauiensis

Status: Vulnerable.

Range: Maui; Haleakalā; wet forest; 945-1,450m.

Growth form: Treelet, 2-7 m tall.

This species is known for its heavily prickled flowers, leaves and stem. Givnish et al. (2013) proposes Cyanea aculeatiflora along with unarmed Clermontia arborescens as the parents of the suspected hybrid species Clermontia tuberculata.

Description:

Sources:

• Hillebrand, 1888 (as Cyanea solenocalyx var. schizocalyx);
• Rock, 1913;
• Rock, 1919 (Cyanea macrostegia var. viscosa is suspected to be a hybrid between Cy. macrostegia and Cy. aculeatiflora);
• Rock, 1919;
• Wimmer, 1943;
• Degener, 1966;
• Wagner et al., 1990.