Buttercups

Now is the ideal time for identifying buttercups by species since both flowers and fruits are present. I would really like to become proficient in identifying these beautiful flowers.

California Buttercup (Ranunculus californicus)

Petals: 9-17 or more
Fat, oval seeds have a short, stout, curved beak.
Widely spaced, lightly paired, pinnate leaves

References:
http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=7032
Peterson Field Guides: Pacific States Wildflowers, 1976

Observations:
https://www.inaturalist.org/observations/truthseqr?utf8=%E2%9C%93&q=california+buttercup&search_on=names&quality_grade=any&reviewed=&geoprivacy=&identifications=any&captive=&place_id=&swlat=&swlng=&nelat=&nelng=&taxon_name=&taxon_id=&day=&month=&year=&order_by=observations.id&order=desc&rank=&hrank=&lrank=&taxon_ids%5B%5D=&d1=&d2=&created_on=&site=&tdate=&list_id=&filters_open=true&view=map

Western Buttercup (Ranunculus occidentalis)

Petals: 5-6
Hemispheric seedheads. Flat, oval seeds are smooth to slightly hairy and have a strongly curved beak.
Sepals are reflexed.
Widely spaced, 3-part leaves.
Moist soil below 6000 ft.

References:
http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=7049
Peterson Field Guides: Pacific States Wildflowers, 1976

Observations:
https://www.inaturalist.org/observations/truthseqr?utf8=%E2%9C%93&q=western+buttercup&search_on=names&quality_grade=any&reviewed=&geoprivacy=&identifications=any&captive=&place_id=&swlat=&swlng=&nelat=&nelng=&taxon_name=&taxon_id=&day=&month=&year=&order_by=observations.id&order=desc&rank=&hrank=&lrank=&taxon_ids%5B%5D=&d1=&d2=&created_on=&site=&tdate=&list_id=&filters_open=true&view=map

Rough-fruited Buttercup (Ranunculus muricatus)

Petals: 5

References:
http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=7048

Observations:
https://www.inaturalist.org/observations/truthseqr?utf8=%E2%9C%93&q=rough-fruited+buttercup&search_on=names&quality_grade=any&reviewed=&geoprivacy=&identifications=any&captive=&place_id=&swlat=&swlng=&nelat=&nelng=&taxon_name=&taxon_id=&day=&month=&year=&order_by=observations.id&order=desc&rank=&hrank=&lrank=&taxon_ids%5B%5D=&d1=&d2=&created_on=&site=&tdate=&list_id=&filters_open=true&view=map

Posted by truthseqr truthseqr, May 24, 2018 12:51 PM

Observations

Photos / Sounds

What

Western Buttercup (Ranunculus occidentalis)

Observer

truthseqr

Date

May 20, 2018 07:43 AM PDT

Description

5 shiny yellow petals

R. occidentalis has 5-6 petals, according to Jepson eFlora:

http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=40940

Also, please see the following discussion regarding the presence of R. occidentalis near Mt. Umunhum (Sierra Azul OSP):
https://www.inaturalist.org/observations/10537520

(Limekiln Trail)

Tags

Photos / Sounds

What

Western Buttercup (Ranunculus occidentalis)

Observer

truthseqr

Date

May 20, 2018 07:57 AM PDT

Description

5 shiny yellow petals. Fruits are round, narrow, and beaked.

R. occidentalis has 5-6 petals, according to Jepson eFlora:

http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=40940

Also, please see the following discussion regarding the presence of R. occidentalis near Mt. Umunhum (Sierra Azul OSP):
https://www.inaturalist.org/observations/10537520

(Limekiln Trail)

Tags

Photos / Sounds

What

California Buttercup (Ranunculus californicus)

Observer

truthseqr

Date

May 20, 2018 08:09 AM PDT

Description

(Limekiln Trail)

Tags

Photos / Sounds

What

Western Buttercup (Ranunculus occidentalis)

Observer

truthseqr

Date

May 20, 2018 08:16 AM PDT

Description

5 shiny yellow petals. Fruits are round and beaked.

R. occidentalis has 5-6 petals, according to Jepson eFlora:

http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=40940

Also, please see the following discussion regarding the presence of R. occidentalis near Mt. Umunhum (Sierra Azul OSP):
https://www.inaturalist.org/observations/10537520

(Limekiln Trail)

Tags

Photos / Sounds

What

Western Buttercup (Ranunculus occidentalis)

Observer

truthseqr

Date

May 20, 2018 07:17 AM PDT

Description

5 shiny yellow petals. Fruits are round, narrow, and beaked.

R. occidentalis has 5-6 petals, according to Jepson eFlora:

http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=40940

Also, please see the following discussion regarding the presence of R. occidentalis near Mt. Umunhum (Sierra Azul OSP):
https://www.inaturalist.org/observations/10537520

(Limekiln Trail)

Tags

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