Getting to know your Hawaiian Lobeliads #18: Cyanea humboldtiana

Cyanea humboldtiana

  • Hawaiian Name: Haha
  • Conservation Status: Endangered
  • Distribution: O’ahu (Ko’olau range)
  • Date photographed: December 10, 2011
  • *Identification: Form– Stems woody, 1-2m long. Leaves– obovate to broadly elliptic; blades 18-45 cm long, 7-16 cm wide; upper surface glabrous, lower surface pubescent; petioles 3-4 cm long. Flower– hypanthium oblong to obconical, 8-12 mm long; calyx lobes oblong, 4-10 mm long; corolla dark magenta or rarely white, 6-7.5 cm long.
  • My notes: It seems strange that the manual describes the flowers being rarely white, yet every picture of C. humboldtiana I’ve found online shows white corollas.
  • Links: Smithsonian- Flora of the Hawaiian Islands, US Fish & Wildlife Cyanea humboldtiana 5-year review (pdf)

*From Manual of the Flowering Plants of Hawai’i

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