Tag Archives: Cirsium discolor

Word of the Week: Pappus

The word pappus might bring to mind dandelions and the “puff ball” seed heads you may have played with in your youth. However, if the word conjures up the silky “parachutes” of milkweed, think again. Although both appendages aid in the dispersal of their seeds, a pappus is an appendage to cypsela, the fruit of plants in the Asteraceae (aster family). Dandelion is a member of the aster family; milkweed is not.* Continue reading

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Word of the Week: Pubescent

Generally, the hairy surface (indumentum) of a stem, leaf, calyx, or corolla is described as pubescent. The individual hair (trichome) is an outgrowth of the epidermis. There are a number of different terms to describe hairiness,… Continue reading

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