Hyperbaena columbica is a species of flowering plant in the family Menispermaceae. It is a shrub with leathery leaves, greenish-yellow flowers, and round fruits. The species was described in 1864. It is native to Cuba, but was named after Colombia.
Taxonomy In 1864, August W. Eichler described the species as Pachygone columbica. In 1867, John Miers moved the species from Pachygone to Hyperbaena.
Distribution Hyperbaena columbica is native to the wet tropical biome of Cuba. It grows in thickets in Pinar del Río Province.
Description Hyperbaena columbica is a shrub up to high. The branches are cylindrical, striped, and can have long rigid hairs.
The leaves are leathery, oblong to ovate, long, and wide. The leaves are smooth, and have smooth wavy edges. The leaf stems are long.
The male inflorescences are clustered panicles, which grow on stalks up to long. The male flowers grow on stalks. The male flowers are greenish-yellow, and have six sepals, which are arranged in groups of two. The outer sepals are ovate, around long, and wide. The inner sepals are around long, and wide. The male flowers have six petals, which are obovate, around long, and wide. The male flowers have six stamens.
The female inflorescences are usually solitary, and grow on stems. The female flowers have stems. The female flowers are greenish-yellow, and have six sepals arranged in groups of two. The outer sepals are narrowly ovate, around , and around wide. The inner sepals are broadly ovate to orbicular, around long, and around wide. The female flowers have six petals, which are obovate, around long, and around wide. The female flowers have three or four carpels.
The fruits are obovoid to roughly spherical, long, and wide.
Etymology The specific epithet refers to Colombia, as August W. Eichler mistakenly thought that the type specimen was collected there.
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