Flora of the Hawaiian Islands
Dicotyledon Literature for Haplostachys haplostachya
Wagner et al., 1990, 1999.
   Lamiaceae -- The Mint Family Bibliography
      Haplostachys haplostachya

Common name(s): honohono
General Information
DistributionIn the Hawaiian Islands, endemic to Kaua`i, Maui, Hawai`i.

Click here for detailed USGS map by Jonathan Price
Erect perennial herbs; stems quadrangular, 3-6 dm long, densely white tomentose.
Leaves somewhat fleshy, narrowly cordate, 8-17 cm long, 3-5.5 cm wide, upper surface green, rugose, and densely puberulent, lower surface densely white tomentose, margins crenate, apex obtuse to acute, petioles 2.5-5 cm long.
Flowers in racemes 10-30 cm long, bracts oblong-lanceolate, usually 4-6 mm long, lowest pair up to 20 mm long; calyx 8-12 mm long, densely tomentose, the teeth linear, (2-)3-5 mm long; corolla tube somewhat curved, ca. 14-22 mm long, upper lip 8-10 mm long, lower lip 10-14 mm long.
Nutlets dark brown, ca. 3.5-4 mm long, truncate at both ends, apex sparsely tomentose.