in botany, a genus of the dodecanaria digynia class. The calyx consists of four leaves; the petals are four; the styli are simple; and the capsule consists of two compressed cells, radiated on each side. There is but one species, a native of America.
HELIOCENTRIC latitude of a planet, the inclination of a line drawn between the centre of the sun and the center of a planet, to the plane of the ecliptic.
HELIOCENTRIC place of a planet, in astronomy, the place of the ecliptic wherein the planet would appear to a spectator placed at the centre of the sun.