Intro rant is about 25 minutes long.
"Paintbrushes", aka the genus Castilleja, are seemingly everywhere in the Americas, especially in the more arid and montane parts of these continents. Containing 200 species, the genus is highly diverse and broadly distributed, working on the them of being a partial parasites of other plants and producing wildly flamboyant and colorful inflorescences, due in large part to showy bracts that subtend each individual flower.
Mark Egger is a specialist in this genus, and today we talk paintbrushes with him for over an hour - their often confusing flower morphology, their ecology, their diversity, and their pollinators. What are some of the rarest species? What are some of the weirdest? We answer a bunch more questions in this 80 minute long conversation about one of the coolest and most ubiquitous plant genera in North (and South!) America.
"Paintbrushes", aka the genus Castilleja, are seemingly everywhere in the Americas, especially in the more arid and montane parts of these continents. Containing 200 species, the genus is highly diverse and broadly distributed, working on the them of being a partial parasites of other plants and producing wildly flamboyant and colorful inflorescences, due in large part to showy bracts that subtend each individual flower.
Mark Egger is a specialist in this genus, and today we talk paintbrushes with him for over an hour - their often confusing flower morphology, their ecology, their diversity, and their pollinators. What are some of the rarest species? What are some of the weirdest? We answer a bunch more questions in this 80 minute long conversation about one of the coolest and most ubiquitous plant genera in North (and South!) America.
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