oenotheras again

Just went out to see how the oenotheras are doing. This is an odd garden, a small hill or berm I made over the old compost pile, planted with dryland plants. Some of them dislike the composty soil, a fact revealed when the plants inexplicably wilt. Soil-borne pathogens are rife in organic matter, and quite a few dryland species can’t deal with them.

I raked up some plain dirt to make the sides, or slopes, of the little hill, and when the oenotheras reseed, they grow happiest in the plain dirt.

Here is Oenothera caespitosa again. It would be cool if I could capture what they really look like, glowing white in the twilight, but the flash decided to pop up, and figuring out how to take moonlit shots means reading more instructions.

 

 

I caught a visitor, Hyles lineata, lapping nectar from one of the flowers. Few flowers attract hawkmoths as much as these do.

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garden grown

When my wife and I started the columbine book, I grew a lot of species from wild-collected seed, so that I could see them first hand. Not being much of a traveler (going to the store is pushing it, for me), this was the easy way out for me. I did try to talk some people into going to Afghanistan and Iran to look for the species described in Flora Iranica, but for some reason everyone I asked declined.

Most of the plants are gone from the garden now. There is a self-perpetuating stand of Aquilegia barnebyi in one of the dry gardens, A. grahamii (or a reasonable facsimile) in several troughs, and this little plant. It’s really little; the flowers are only half an inch long.

The peculiar thing about this is the straight spurs. They only show the tiniest bit of hooking at the tips. Hooked spurs are dominant in Aquilegia, and crosses between the species almost always result in hooked spurs, even if both parents have straight spurs.

I thought one of the parents might be Aquilegia saximontana, or laramiensis, but with a cross like that, I would expect hooked spurs. Occasionally a plant will appear with rosy spurs, but they’re always straight. It’s a mystery, and I’ll leave it at that.

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