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Two for the price of one: Purple Peavine & Greenish Blue |
Purple Peavine, aka Purple Vetchling, Veiny Pea (
Lathyrus venous), stretches across North America to just barely make it into central Alberta, but I'm glad it does. A relative of the domesticated Sweet Pea (
Lathyrus odorous), but without the selection for large and fragrant flowers, it still makes a fine wildflower. Disjunct populations also occur on the West Coast; so perhaps, some earlier inhabitants of Alberta also liked these peas and took them with them on their wanderings.
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Greenish Blue Plebejus saepiolus from above |
The Greenish Blue (
Plebejus saepiolus) is just one of the bewildering diversity of tiny 'Blues' that occur in Alberta including the Spring Azure, Western Tailed-Blue, Silvery Blue, Arctic Blue, Rustic Blue, Northern Blue, Acmon Blue, and so on. Every now and then we see enough characters to be reasonably sure of identity, but not often.
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Mystery Blue |
The caterpillars of the Greenish Blue feed on clovers (
Trifolium spp.). Since
Alberta has no native species of clover (the closest 'native' species occur in Montana and British Columbia), I suppose that means we owe our Greenish Blues to introduced, 'weedy' clovers. Most true clovers aren't really very weedy, but several are important crops and all a good source of nectar and pollen for bees and other pollinators. So, I prefer to think of clovers as nascent Albertans.
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Red Clover - not a 'native' |
Love the little blues. Are any of our Alberta species myrmecophiles?
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