La Purisima/Burton Mesa

I first heard about the interesting plants of Burton Mesa when I car-pooled on an Audubon trip to Oso Flaco Lake, Coreopsis Hill some years back. I did a little exploring on my own, before signing up for a SBBG trip to Burton Mesa and La Purisima in 2007. Six years later, without any solo trips in-between, I went on the same trip on almost the same day again with SBBG. In both cases, I returned to get photos that I missed in the group tour. (Unfortunately, due to a mis-formatted disk - my fault - I lost some photos on Saturday, including one of a Northern Flicker from a high view overlooking the Walnut tree in the picnic area; and a few butterflies. Darn.)

Rereading the introduction from the post about the 2007 trip, one could repeat one of the sentences verbatim: "There was very little rain this year, yet there were many plants flowering in the sandy areas where the tour participants were led." In 2007, we stopped at the Jualachichi Summit area for a number of relictual endemic species. We also stopped at a Bishop Pine stand, then to part of Burton Mesa, and lastly entered through an eastern entrance at La Purisima.

This year, after the Jualachichi Summit stop, we just walked along a trail through La Purisima that started very close to the parking area - and since it was a sandy path the entire loop, with a wide variety of plants, the time passed by very fast.

Last year, I received an email about Michael Charters' trip to Burton Mesa, with many photos and accurate identifications. I notice that he received an id of Callophrys perplexa perplexa for the Bramble Green Hairstreak, from Hartmut Wisch. I learned from iNaturalist that Callophrys dumetorum does not occur this far south, and have id'ed all of mine as Callophrys perplexa.)

Although Popcorn flower and Fiddleneck were in abundance, I have not loaded photos of them to iNaturalist, because I have no idea what they are. If I can determine the ids, I will add them later. The slideshow below includes shots that hopefully show the habitat as well as the plants. Note - the area is so protected that even registered botanists may not take plant samples for identification.

Thereafter, Tarja and I made a mad dash up Refugio Road south on the way back, to see Castilleja foliolosa that she had not seen, and a few other plants. She also showed me how to tell the difference between Arroyo and Red Willows. I hope to be able to find time later this spring/summer to return to La Purisima/Burton Mesa for some of the later flowering plants. Hopefully, this plant list will help with some of the questions then.

If the embedded slideshow does not work, here is the link on Flickr.

Publicado el 15 de abril de 2013 por lynnwatson lynnwatson


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