Flora of the Hawaiian Islands
Dicotyledon Literature for Peperomia tetraphylla
Wagner et al., 1990, 1999.
   Piperaceae -- The Pepper Family Bibliography
      Peperomia tetraphylla
General Information
DistributionPantropical.In the Hawaiian Islands, indigenous to Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.

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Stems reddish purple to green, usually several from a common repent base, ascending or decumbent and rooting at the nodes, 8-30(-40) cm long, 4-6 mm in diameter toward base, usually dichotomously or trichotomously branched, internodes of variable lengths, 1-4(-8) cm long, puberulent, the hairs 0.1-0.2 mm long, older stems glabrate.
Leaves (2)3-4 per node, yellowish green to dark green, lower surface slightly paler, thick and turgid when fresh, wrinkled and coriaceous when dry, broadly rhombic-elliptic to suborbicular, occasionally broadly ovate or broadly obovate, 0.7-2 cm long, 0.5-1.7 cm wide, palmately 3-nerved, the veins obscure, paler than intercostal areas, not impressed, sparsely puberulent or upper surface sometimes glabrate, margins flat, apex broadly obtuse to rounded or obtuse, base rounded to cuneate, petioles erect, ca. 0.2 cm long.
Spikes solitary, terminal, 3-6.5 cm long, the rachis 3.5-6 mm in diameter, puberulent, flowers densely congested, peduncles 1-6 cm long, puberulent; ovary cylindrical-ovoid, deeply embedded in pits of rachis, apex slightly oblique; stigmas terminal or slightly subterminal.
Fruit yellowish in lower 1/2, cylindrical, ca. 1.2-1.3 mm long, smooth, apex slightly beaked.
2n = 40