| General Information |
| Distribution | In the Hawaiian Islands,
endemic to
Hawai`i.
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Habit
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Stems usually red, erect to ascending from a repent base, 15-50 cm long, 2-4 mm in diameter toward base, usually few-branched, internodes 2-8 cm long, ribbed, glabrous.
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Leaves
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Leaves 2-4 per node, upper surface dark green, lower surface with pale green veins and red intercostal areas, sometimes entirely pale green, thickened and firm-fleshy, drying coriaceous to chartaceous, elliptic-oblanceolate to elliptic-obovate, sometimes some of them elliptic or broadly obovate, 2-5.5(-7) cm long, (1-)2-3(-3.5) cm wide, 3-nerved or 5-nerved, upper surface glabrous or sparsely puberulent along veins or near base, lower surface glabrous or sparsely hirsute, occasionally moderately so, margins flat, apex obtuse, broadly obtuse, or bluntly acuminate to bluntly acute, base cuneate or attenuate, petioles 0.5-1.5 cm long, glabrous or sparsely hirsute.
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Flowers
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Spikes 1 to several, axillary and terminal, 3-7.5(-8.5) cm long, sometimes the lateral ones as short as 2 cm long, the rachis ca. 1.5-2.5 mm in diameter, glabrous, flowers moderately to densely congested, peduncles 1-2 cm long, glabrous; ovary broadly ovoid, apex ± slightly oblique; stigmas terminal or slightly subterminal.
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Fruit
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Fruit subglobose, ca. 1 mm long.
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Chromosomes
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2n = 44*, 42-46*
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