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Glossary of commonly used botanical terms and their definitions. Use the search bar below to look up a botanical term.
15 Random Botanical Terms
Head - A compact cluster of flowers attached to essentially the same point on the peduncle.
Acuminate - Gradually tapering to a point.
Sagittate - Shaped like an arrowhead.
Blade - The expanded portion of a leaf or petal.
Toothed - Said of petals or leaves having margins more or less sharply indented.
Irregular flower - A flower unequal in the size, form, or union of its similar parts; zygomorphic or bilaterally symmetrical. Example: Fabaceae (Legume Family).
UPL* - Upland - Nonhydrophyte. Almost never occurs in wetlands. Occurs only in the South Pacific Islands subregion.
Pappus - The calyx modifications found on many species of Asteraceae (Sunflower Family), commonly appearing as hairs, bristles, or scales, and usually persisting on the fruit.
Obtuse - Blunt or rounded at the tip.
Florets - Small or reduced flowers.
Prostrate - Lying flat on the ground.
Samara - A dry, winged, one-seeded fruit.
Spike - Flowers are attached directly to the main stem; no pedicels are present. The youngest flowers or buds are at the top. Spp. Abbreviation for plural of "species."
Fern - Any of numerous flowerless and seedless vascular plants (pteridophytes) having true roots from a rhizome and fronds that uncurl upward; reproduce by spores.
Monoecious - A plant or plant species producing male and female reproductive structures on the same plant but on separate flowers.