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The "regular" Brahea clara has inflorescences that extend beyond the leaves, that is thought to be armata x brandegei. There are severall distinct types of brahea that have been given the label "elegans". One type is blue, looks similar to a clara in that there are droopy fronds, and has the short inflorescence. Some papers claim this one has been lumped into the "armata" group. I think that's the one you collected seed from. The other type is green or glaucous green, and is actually a form of aculeata or a cross of something with aculeata. There is a form that is mentioned on the Norcal Palm Society website which is a very special dwarf green type that was released at the turn of the Century from the Niles nursery, and to this day the claim is that it's not been found in the wild.

The taxonomists really haven't been very thorough with the brahea genus, there is a lot of confusion all around, and it's hard to tell what are species, forms of species, and crosses. Apparently, brahea crosses are relatively stable, meaning that when a cross bears seed, if there was no other pollinator than itself, the resulting seedlings are close to the original parent that bore the seed. For example, the edulis x brandegei from Huntington Gardens produce mostly identical edulis x brandegei offsprings.

There's no easy way to summarize it other than to do what people do for dypsis and refer to brahea groups. So far, here's all the "elegans" I have seen, that should really shed some light on how bad the confusion really is. All are most likely crosses with aculeata.

1) Elegans "Inge Hoffmann", green with slight glaucous, large strongly costa-palmate leaves, looks almost like a cross between an aculeata and edulis. Kevin Weaver has a mature specimen at his nursery.

2) Elegans "rare palm seeds", pale green, very glaucous all around, smaller in stature than Inge's seeds, maybe aculeata x brandegei, who knows.

3) Elegans "San Carlos", your palm and several other specimens in the San Carlos area that look like a clara. Maybe a cross between armata and aculeata.

4) Elegans "Niles Nursery", a very small dwarf dark green colored palm thought to be a variant of aculeata. (Dr. Axel kratel)