| General Information |
| Distribution | In the Hawaiian Islands,
endemic to
O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.
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Habit
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Stems usually red, erect or ascending from a short repent base, stout, (30-)50-200 cm long, ca. 5-25 mm in diameter toward base, branched usually above middle or sometimes unbranched, internodes (2-)4-15 cm long, glabrous to moderately hirsute, appressed hirtellous, or a mixture of the 2 types, the hairs ca. 0.3-1 mm long.
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Leaves
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Leaves 2-4(-8) per node, upper surface dark green, lower surface ± red, veins ± pale green, thickened and firm-fleshy, drying chartaceous, ovate to broadly ovate, elliptic-lanceolate, elliptic, or sometimes elliptic-obovate, (4-)5-15 cm long, (1.5-)2-7 cm wide, usually pinnately 5-nerved or 7-nerved, principal veins usually slightly to strongly impressed, tertiary veins usually visible and somewhat impressed, upper surface glabrous or sometimes sparsely hirsute to appressed hirtellous along veins and toward base, lower surface sparsely to moderately hirsute to hirtellous or glabrous, margins flat, usually ciliate at least toward apex, apex acuminate to narrowly or broadly acute, base cuneate, sometimes rounded or subcordate, petioles 0.8-3(-5) cm long, glabrate to hirsute or appressed hirtellous.
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Flowers
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Spikes usually several, terminal and axillary, stout, 3-7(-9)
cm long, the rachis ca. (1.5-)2-3 mm in diameter, glabrous, flowers densely congested, peduncles 0.8-1.5(-2) cm long, glabrate to hirsute or hirtellous; ovary turbinate to obovoid; stigmas terminal.
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Fruit
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Fruit narrowly obovoid, ca. l mm long, apex beaked.
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Chromosomes
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2n = 28*, ca. 42*, 44*, 46*
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