General Information |
Distribution | Native to Africa.In the Hawaiian Islands,
naturalized on
Kaua`i, O`ahu, Lana`i, Maui, Hawai`i.
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Habit
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Vines; stems twining, herbaceous, up to ca. 3 m long, glabrous.
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Leaves
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Leaf blades chartaceous, cordate, 3.5-6 cm long, 3-5 cm wide, glabrous, margins entire, apex narrowly acuminate to acute, mucronulate, petioles up to 8 cm long.
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Flowers
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Flowers solitary, axillary, or few in cymes, pedicels 5-40 mm long; sepals unequal, inner ones ovate, larger than outer ones, ca. 6 mm long, ca. 3 mm wide, apex acute, base rounded, outer ones ca. 5 mm long, ca. 2.5 mm wide,
apex acuminate, mucronate, base rounded, all sepals glabrous, minutely verrucose, margins scarious; corolla yellow, purple within tube, funnelform, 2.5-4 cm long.
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Fruit
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Capsules brown, ovoid, 1-1.5 cm long, 0.5-0.7 cm in diameter, glabrous.
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Seeds
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Seeds often 4, sometimes fewer, black, globose to ovoid, ca. 4 mm in diameter, glabrous to puberulent.
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Chromosomes
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2n = 30
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