Obcordate is an uncommon botanical term that describes a leaf shape that is heart-shaped with the notch at the base. It is pronounced [ob-kawr-deyt] in IPA phonetic transcription. The word is derived from the Latin words "ob" meaning "in front of" or "towards" and "cor" meaning "heart," which perfectly describes the shape of the leaf. The spelling of obcordate can be difficult to remember, but by breaking it down into its Latin roots and using phonetics, it can be easier to understand and pronounce.
Obcordate is an adjective that describes a shape similar to that of a heart, but with the pointed end at the base. Derived from the Latin words "ob" meaning "towards" and "cor" meaning "heart", obcordate refers to a botanical term used to describe the particular form of a leaf or a petal.
An obcordate shape is typically observed in certain plant structures, particularly leaves where the base of the leaf is broad and rounded, gradually tapering towards the stem, resembling the outline of a heart. The pointed or narrow portion of the leaf is opposite to its usual position, resembling the bottom or the base of a conventional heart shape. This shape is often found in various plant species, especially within the families of begonias, clovers, and violets.
The obcordate shape provides plants with additional surface area, allowing them to absorb optimal sunlight and better capture raindrops for absorption. This unique leaf shape aids these plants in efficiently collecting nutrients and moisture vital for their growth and survival.
By using the term obcordate, botanists and horticulturists can precisely describe the specific shape of leaves or petals, enhancing accurate communication within the field of plant taxonomy and identification.
Heart-shaped, but inverted.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "obcordate" is derived from the Latin word "obcordatus", which is a combination of two Latin words: "ob" meaning "toward" or "against" and "cordatus" meaning "heart-shaped". The Latin word "obcordatus" itself is derived from "cor", meaning "heart". In botanical terminology, "obcordate" refers to a leaf shape that is inversely heart-shaped, with the narrower end at the base and the broader end at the apex.