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Delphinium decorum ssp. decorum   

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Delphinium decorum ssp. decorum
Delphinium decorum ssp. decorum
Photographer: Aaron Schusteff

ID: 0000 0000 0315 1883 (2015-03-17)

Copyright © 2015 Aaron Schusteff

  • date of photo  Mar 9, 2015
  • location   San Bruno Mountain (San Mateo County, California, US)
  • family Ranunculaceae
  • notes   Habit of Delphinium decorum ssp. decorum, growing in grassland habitat on north slope of mountain.

    This actually keyed out relatively easily using the Delphinium key in TJM2...which I (and many I've talked to) find a somewhat uncommon occurrence :-)

    Reinforcing the ID here is the fact D. decorum is one of only two species listed in the 1990 ''A Flora of the San Bruno Mountains''. The other species, D. californicum, is a very different looking and distinctive plant. Although many of the D. californicum I've seen recently on San Bruno Mountain are uncharacteristically small, typically full-grown D. californicum are tall (usually a meter or more high, sometimes up to almost 2 meters!), and often grow in somewhat rhizomatous-looking colonies. It's usually has a single stem...rather bushy looking at base...that tapers above with a roughly-conical outline. It has large, full, lower-leaves with narrow sinuses, and a long densely packed infloresence with relatively small flowers...which are relatively ''un''-showy for a Delphinium).

  • high resolution file
  • photo category: Plant - annual/perennial

  • Look for Jepson Manual treatments, maps (University & Jepson Herbaria)
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  • The photographer's identification Delphinium decorum ssp. decorum has not been reviewed. Click here to review or comment on the identification.

    Using this photo   The thumbnail photo (128x192 pixels) on this page may be freely used for personal or academic purposes without prior permission under the Fair Use provisions of US copyright law as long as the photo is clearly credited with © 2015 Aaron Schusteff. For other uses, or if you have questions, contact Aaron Schusteff arbonius2[AT] (Replace the [AT] with the @ symbol before sending an email.)


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