Getting to know your Hawaiian Lobeliads #37: Trematolobelia kaalae

Trematolobelia kaalae

  • Conservation status: Apparently secure
  • Distribution: O’ahu (Wai’anae Mountains)
  • Date photographed: 3/19/2015
  • *Identification: : Form– Treelets 1-4 m tall Leaves– linear to oblanceolate, blades 15-36 cm long, 0.8-3.1 cm wide. Flower– calyx lobes triangular, 3-17 mm long, 1-3 mm wide; corolla various shades of pink, subbilabiate, 43-73 mm long.
  • Phylogenetic comments: T. kaalae is firmly nested within the Trematolobelia clade. It is sister to T. macrostacys and all the taxa found on the newer and younger islands.
  • My notes: Aside from location, Trematolobelia kaalae differs from the other 2 species of Trematolobelia found on O’ahu by it’s flowering: it tends to bloom in the spring and early summer. Trematolobelia in general is one of the few native lobeliads I’ve seen with self-sustaining populations: one can come across seedlings where populations are established.
  • Additional Photos:

*From Manual of the Flowering Plants of Hawai’i

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