Getting to know your Hawaiian Lobeliads #38 Lobelia yuccoides

Lobelia yuccoides

  • Hawaiian name: Panaunau
  • Conservation status: Rare
  • Distribution: O’ahu (Wai’anae Mountains)
  • Date photographed: 3/19/2015
  • *Identification: : Form– Stems woody, erect, 15-20 dm long, with dense apical rosette of leaves Leaves– linear, 24-35 cm long, 0.5-1.5 cm wide, lower surface white tomentose. Flower– calyx lobes subulate, 3-6 mm long; corolla blue to lilac, 36-40 mm long, 3-5 mm wide, lobes spirally revolute.
  • Phylogenetic comments: 2022 updateL. yuccoides on O’ahu is possibly distinct from L. yuccoides on Kaua’i. The O’ahu taxa might be of hybrid origin between the Kaua’i taxa and something within the Lobelia niihauensis group.
  • My notes: I’ve only ever come across this taxa in the southern Wai’anae mtns. I have yet to see it in a reproductive state; the dense central stalk of flowers would be quite the impressive sight!

*From Manual of the Flowering Plants of Hawai’i

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