Dichelostemma capitatum submitted as Dipterostemon capitatus

Mary Sue Ittner via pbs pbs@lists.pacificbulbsociety.net
Sun, 29 Oct 2023 10:01:33 PDT
I noticed in both the recent SX and BX that there is confusion about 
this species. Dichelostemma capitatum been restored to a previous name, 
Dipterostemon capitatus (Benth.) Rydb.
First published in Bull. Torrey Bot. Club 39: 111 (1912), and that is 
what the Jepson Manual, the authority on California plants is now 
calling it along with Plants of the World Online and iNaturalist. 
However, the Flora of North America is still including it under 
Dichelostemma capitatum, but since I've been working on the wiki I have 
noticed that source to be very slow in updating "bulb" names when they 
are changed. And World Flora Online has not updated it either.  I don't 
know what other states where it grows are calling it. So some people 
have submitted corms and seed under one name and some under the other.

It is very confusing because from a distance this plant looks a lot like 
Dichelostemma multiflorum and Dichelostemma congestum and their names 
have not changed, but it has always been different from them in having 6 
stamens instead of 3. It you are interested in reading the paper where 
the change was proposed here is the link:
https://phytoneuron.net/2017Phytoneuron/…

And by the way it has previously been known as:
Brodiaea capitata Benth. in Pl. Hartw.: 339 (1857)
Dichelostemma capitatum (Benth.) Alph.Wood in Proc. Acad. Nat. Sci. 
Philadelphia 20: 173 (1868)
Dichelostemma pulchellum var. capitatum (Benth.) Reveal in Taxon 32: 294 
(1983)
Hookera capitata (Benth.) Kuntze in Revis. Gen. Pl. 2: 712 (1891)
Milla capitata (Benth.) Baker in J. Linn. Soc., Bot. 11: 381 (1870)

Mary Sue
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