Weeds of Wednesday: Tropical Milk-Weed?

Growing in the Oslo Riverfront Conservation Area (ORCA) parking lot amongst wild coffee (Psychotria nervosa) and last's week's Wednesday "weed", beggarticks (Bidens alba), is what some folks call tropical milkweed (Asclepias curassavica). Other common names include scarlet milkweed, Mexican milkweed, bloodflower,…

Weeds of Wednesday: Bees & Butterflies Love Beggarticks

At the entrance to the Oslo Riverfront Conservation Area, now flourishes a big "bush" of beggarticks (Bidens alba). Yes, this plant is weedy and hitchhikes its way around via its 2-toothed seeds that give rise to its species name, Bidens: …

Piles & piles of propagules

Piles and piles of mangrove propagules are mounded up on the mosquito control dikes at the Oslo Riverfront Conservation Area (ORCA) and elsewhere. Propagules are the "live young" of mangroves. They are not seeds because they are not dormant. They…