| General Information |
| Distribution | Native to Africa, now widely naturalized.In the Hawaiian Islands,
naturalized on
Kaua`i, O`ahu, Maui, Kaho`olawe, Hawai`i.
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Habit
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Slender annual or perennial herbs; stems prostrate to weakly erect, 1-4 dm long, few-branched to many-branched, glabrous.
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Leaves
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Leaves narrowly oblong to linear, 15-20(-30) mm long, 2-5 mm wide, apex acute, base cuneate, petioles ca. 1 mm long, stipules ca. 2.5 mm long, connate, margins with several glandular teeth of unequal length.
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Flowers
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Flowers 1-3(-5), axillary, peduncles ca. 8-10(-15) mm long; calyx 4-toothed, the teeth ca. 1 mm long; corolla lavender to white, thin, broadly tubular, 4-lobed, ca. 2 mm long, the lobes 1-2 mm long.
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Fruit
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Fruit didymous, somewhat laterally compressed, thinly cartilaginous, ca. 1.5 mm long, ca. 2-2.5 mm wide.
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Seeds
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Seeds numerous per cell, angular, ca. 0.25 mm long, areolate.
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Chromosomes
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2n = 18, 36, 54
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