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April 17, 2008 : Coreopsis gigantea
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Plant Family / Families: Asteraceae
Scientific Name and Author: Coreopsis gigantea (Kellogg) H. M. Hall
Institution: University of California Botanical Garden at Berkeley
Accession Number: 60.0129
Map Location: via Google Maps
Name Location: Berkeley, California, USA
Before starting today's entry, I need to mention that the upgrade to the weblog software is, for the most part, complete. For now, this doesn't mean too many changes, but I think the investment of time will eventually pay off with new features. Things that have changed:
- 1) I think the duplicate notification emails bug for scheduled postings has been fixed.
- 2) The 1 year ago, 2 year ago, etc. bug has been fixed.
- 3) Comments are now not moderated, but instead passed through Akismet spam filtering. I'm testing this for now, and it seems to be working well. About a hundred spam comments are submitted per day, and only a few have made it through (only one of which was worrisome for its content). I still need to tweak the settings a bit, though.
- 4) Email this page to a friend has been removed, because the latest versions of the software no longer included the script. I'll find a way to bring back this feature in the future, though.
- 5) Notification emails are now queued, so they are no longer instantly sent out when an entry is published.
- 6) Finally, there is now the ability to easily make custom fields, so what was once the "keywords" section has been broken up into more specific fields.
I briefly visited the University of California Botanical Garden at Berkeley on my return trip north a couple weeks ago (in fact, on my birthday). An afternoon is definitely not enough time to visit the garden; it is without doubt one of the finest university collection of plants in North America.
One of my goals was to replicate this photograph, and I'll post one of my versions sometime soon. The rest of the time I wandered through the collections, before returning to my long drive home.
Giant coreopsis is native to southern California and Baja California. It is a plant of coastal areas, with perhaps the best populations found on California's Channel Islands. In the Botanical Garden at Berkeley, a few groups of plants can be easily found in the California beds of the garden. I wish I had visited a week or so earlier to photograph them in full bloom, but if this photograph doesn't give you a good idea of the appearance of this shrubby perennial, there are plenty more available online: CalPhotos, USDA PLANTS database, and, with a small write-up, Michael Charters's Calflora.net.
Coreopsis gigantea is considered "more or less pachycaul" by the Flora of North America. Pachycaul refers generally to the disproportionally thickened stems, though other definitions of the term can also be found. An excellent article on pachycaulous plants is available on the Berkeley BG site, written by one of its volunteers, Fred Dortort: "Elephants, Incense and the Bursera Family".
Posted by Daniel Mosquin at April 17, 2008 9:30 AM
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Comments
Posted by: Ginny (in Maine) at April 17, 2008 10:08 AM
Holy cow - that's a Coreopsis TREE!
Thanks for the share!
And happy belated birthday!
J
Posted by: J at April 17, 2008 10:24 AM
Ah yes, I should have mentioned. They can grow to over 3m high.
Posted by: Daniel Mosquin
at April 17, 2008 10:26 AM
Happy Belated Birthday!
I think visiting a botanical garden is a wonderful way to spend one's birthday (you are so clever).
Thank you for sharing such beautiful pictures.
Posted by: Linda Young at April 17, 2008 10:28 AM
Wow! What an interesting looking plant.
To me, it looks like it could appear at night in a gardener's dream, the nightmarish lesson on what happens if you don't do proper pruning to prevent certain plants from getting too woody.
Posted by: Katherine at April 17, 2008 10:30 AM
Wow, gorgeous! Thanks.
Posted by: Meg Bernstein at April 17, 2008 11:10 AM
How wonderful! It looks like something out of Dr. Seuss.
Posted by: Lynne at April 17, 2008 11:40 AM
Happy Birthday!
Posted by: Jandy at April 17, 2008 1:18 PM
we can always count on daniel
to come up with a picture
to stir our minds up
lord of the rings for me
or perhaps the dune
thank you daniel
Posted by: elizabeth a airhart at April 17, 2008 1:22 PM
Coreopsis gigantea - Z8 - RHS Index of Garden Plants, Griffiths
Coreopsis, kor-e-op-sis, from Gr. koris, a bug or tick, and opsis, a resemblance, from the appearance of the seed, hence Eng. name of Tickseed. Plant Names Simplified, Johnson and Smith
Posted by: Beverley at April 17, 2008 5:05 PM
Happy belated birthday Daniel! Thanks so much for sharing your talent & time. Your work is appreciated each & every time even if you only hear from me once in awhile (really just because I don't want to inundate you w/ thank you's!). My favorites from you are usually close-ups of flowers, but I also love unusual tree structures such as this Coreopsis gigantea. The quality of your photography is crystal clear & gorgeous!
Posted by: Michelle Linh at April 21, 2008 4:00 PM
Very interesting trees with flowers blossoming by this way. Very fresh.
Posted by: hong at June 29, 2008 2:08 AM
Please share your comments about the photograph(s) and accompanying write-up. Telling a story about the subject of the photograph(s) is also much appreciated! If you have a gardening question, the best place to ask is on the UBC Botanical Garden Forums. Thank you!
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Botany Photo of the Day is a project of the UBC Botanical Garden and Centre for Plant Research, located in Vancouver, British Columbia Canada. UBC BGCPR is a department of the Faculty of Land and Food Systems within The University of British Columbia.

Daniel,
Thanks so much for the incredible amount of time and effort - and talent and skill - you put into this great resource. My only remaining request remains: a way to contribute to BPotD! Best wishes from Maine - where the snow is finally really melting, slowly...