Flora of the Hawaiian Islands
Monocotyledon Literature for Liparis hawaiensis
Wagner et al., 1990, 1999.
   Orchidaceae -- The Orchid Family Bibliography
      Liparis hawaiensis

Common name(s): twayblade, `awapuhiakanaloa
General Information
DistributionIn the Hawaiian Islands, endemic to Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.

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Erect, terrestrial or epiphytic perennial herbs 0.5-1.5(-3) dm tall, pseudobulbs crowded along and obscuring the rhizome, roots arising in clumps at base of pseudobulbs, completely enclosed by a series of 1 or more cataphylls and by the petiole bases, cataphylls ascending, ovate to narrowly ovate, 1-8 cm long.
Leaves 2 per pseudobulb, pale green throughout, membranous, broadly elliptic to elliptic-ovate or rarely oblong-obovate, 4-10(-22) cm long, 2-5(-8) cm wide, midrib impressed on upper surface, prominently raised on lower surface, margins entire, apex abruptly acuminate, gradually narrowed to base.
Flowers pale green, each one erect, in erect, terminal, racemose inflorescences (6-)15-30 cm long, peduncles stout, 4-angled; dorsal sepal ascending, linear-elliptic, 8-10 mm long, lateral sepals ascending, linear-lanceolate, 6-10 mm long; lateral petals reflexed, linear, 8-10 mm long; labellum initially erect, becoming shortly reflexed near middle, broadly obovate, 10-12 mm long, apex obtuse or slightly retuse, irregularly crenulate; column erect, 3.5-4 mm long, constricted near middle; rostellum thin, unlobed; stigma deeply recessed.
Capsules narrowly obovoid, 1.5-2 cm long.