investigatory project ( CHAPTER I INTRODUCTION :: DEFINITION OF TERMS )

F. Definition of Terms

The operational terms that had been used in our study, are the following:

Lye . It is manufactured from calcium hydroxide and sodium carbonate. It is a caustic solution and a type of very strong alkali.

Pigweed/uray plant. s.i. Amaranthus Spinosus. It’s a stout, erect, smooth branched herb, 0.4 to 1 m high.

Aristae. A bristle like part or appendage, such as the awn of grains and grasses or the process near the tip of the antenna of certain flies.

Kulitis plant. s.i. Amaranthus Viridis. An erect, smooth, branched unarmed herb, 30-60 cm high.

Axillary. Refers to the location of a node on a plant stem; more precisely, to the apical angle between a leaf and the stem above it.

Solvation. Commonly called dissolution, is the process of attraction and association of molecules of a solvent with molecules or ions of a solute

Glabrous. It is an adjective used to describe a morphological feature as smooth, glossy, having no hair or bristles or glaucousness.

Petiole. It is the stalk by which a leaf is attached to a stem. Also called leafstalk.
Lanceolate. Lance like of a leaf, about four times as long as it is broad, broadest in the lower half and tapering towards the tip.

Utricle. A small bladder, a membranous bladder-like sac enclosing an ovary or fruit.

Systematists. Iologists who study the evolution, relationships, and classification of living
organisms. The science of systematics is thus the most comprehensive of biological disciplines, including the fields of paleontology, ecology, behavior, anatomy, physiology, and development. The subdiscipline of taxonomy, for naming and classifying specimens, is part of systematics.

Monoecious. Having separate male and female reproductive units (flowers, conifer cones, or functionally equivalent structures) on the same plant; from Greek for "one household".
Dioecious. Having unisexual reproductive units with male and female plants.