"In San Francisco, you can landmark a 'historic tree' -- but no one has ever thought to designate a historic bush."
Those are the words of
SF Weekly writer Joe Eskenazi, about the
Raven's manzanita, a
very rare plant on the outskirts of San Francisco discovered by a 14-year-old boy in 1951. That boy?
Peter Raven, now 71, and the director of the
Missouri Botanical Garden in St. Louis.
The little shrub has caused a debate in the Bay Area: whether to fell thousands of non-native trees planted there by the some of the city's earliest residents in order to save the natural plant, or to allow the trees to stand and likely sacrifice the plant.

Eskenazi continues, "So, if the last Raven’s manzanita falls in the forest, would San Franciscans make a noise?"
Raven keeps a busy schedule in St. Louis -- with adjunct teaching positions at the University of Missouri-St. Louis and at Saint Louis University -- as Eskenazi learned:
"Securing a 20-minute phone interview with Raven, now the director of the Missouri Botanical Garden in St. Louis, required more than a dozen phone calls and e-mails to several assistants -- and the minute the 71-year-old hung up the phone, he hopped a flight to Israel for a members-only botanical garden tour of the herbage of the Holy Land."
The rare plant, seemingly doomed to extinction owing to the difficulty it has reproducing, has weathered challenges both natural (fungus) and mechanical.
Writes Eskenazi: