Ipomoea leucotricha
Corolla purple-blue with paler pink or magenta throat, stems and leaves pubescent, calyx lobes pointed and recurved, uncommon, Pacific slope at 1100-1200 m, usually on rocky ridges.
Ipomoea lindenii
Corolla dark blue to purple with throat purple-black except at extreme base, calyx lobes short and rounded, leaves glabrous, common in drier sites on Pacific slope at 800-1300 m.
Ipomoea parasitica
Corolla dark blue with yellow throat, smaller than others with 5 cm diameter, leaves glabrous, Pacific slope at 700-900 m, uncommon.
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