Sounds like a mislabeling to me, unless maybe it came from Dennis Heckart? He's in Puna. Shiigi's not far away, but since he named his Guz that, I doubt he'd put that name onto a Till too.

There is an Old Gold with yellow bracts, but that is apparently just another name for Marron (which has more purplish foliage).

Never crossed paths with that name. I never put much credence in the most of the names given because one plant might be called one name in Australia (for example) and an entirely different name in the States. Although a plant with the word 'Puna' most probably has Hawaiian roots. The flower bracts are pretty dull if that is a capitata variety. The leaf form seems to have the look of one of the more xeric types of Tills.

That flower bract is quite old. No telling what color it was in its prime. I checked for seeds but there wasn't any. But then, my big guy won't self without some help.

Here is a pic of my plant. The inflorescence is about 2 feet tall.
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Here is a plant I grow as capitata yellow shelldance. It came from Shelldance Nursery quite a few years ago. Could be the origin of your plant. Sense your plants was wet from the rain the color difference might be explained.

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How big is that shelldance? It's hard to judge in the photo.

My plant is just as orange when dry.

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My plants are about 18 inches high although they can be larger at times. There is a red one with purple leaves with the same growth habit I have been looking for. I guess i'll find it some day. Your plant is a very happy plant. If they are the same you will have a clump in no time.