Sara Plummer Lemmon Botanist

Sara Plummer Lemmon: Pioneering Botanist

Botany didn’t just intrigue and entertain Sara Plummer Lemmon—it deeply affected her personal life.
Orange and rust autumn leaves, illustrated

Why Do Leaves Change Colors in the Fall?

Why do leaves change colors in fall?
Dr. Jeanine Vélez Gavilán, Global Plants Initiative Steering Committee Member, at the MAPR Herbarium.

JSTORies: Jeanine Vélez Gavilán

Jeanine Vélez Gavilán discusses her career in botany, her passion for endangered plants, and how climate change challenges botanists today. Visit ...
Flowering Nicotiana Alata, a species of tobacco identified by star-shaped white blooms.

A Tobacco Plant that Could Cure Cancer?

Finding anti-cancer agents inside tobacco may seem like a pretty strange coincidence, but it’s not unheard of to find help in harmful places.