Alt text: Cross-section of a Penstemon barbatus flower bud stained with blue and red. Deep red stain is particularly noticeable on the lateral stamen filaments in the nectary trichome cells.
CRABS CLAW-independent floral #nectary development in Penstemon barbatus
New #AJB research by @amkatzer.bsky.social, @carriewessi.bsky.social, Brooklyn Anaya & Lena Hileman
doi.org/10.1002/ajb2... #botany #plantscience #pollinators #Arabidopsis #petunia