Rainy Day Marigold Show
John West John West

Rainy Day Marigold Show

Bright yellows and deep reds.

Where do the bright yellows and deep reds come from? Ask a chemist and the answer is xanthophyll.

Its a thrilling story of carrots and enzymes

If you can’t be bothered with the chemistry enjoy the pictures anyway.

A gif for chemists follows the pictures.

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Gymnocalycium Mihanovichii, I think.
John West John West

Gymnocalycium Mihanovichii, I think.

My plant recognition app identified this cactus. The flower opened incompletely in the late afternoon sun. It wasn’t the first small Gymnocalycium plant that has failed to open fully for me.

After a quick read through articles by “cactus people” the phrase “incomplete opening” cropped up a few times.

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