Sacramento Prickly Poppy
This spectacular but threatened prickly poppy survives in a few Sacramento Mountain canyons where disturbance can both open habitat and destroy plants.
Artwork inspired by Henriette Wyeth
For Sacramento Prickly Poppy (Argemone pleiacantha subsp. For Sacramento Prickly Poppy, pinnatisecta), record the whole form before isolating details. For Sacramento Prickly Poppy, use “Large crinkled white petals” for the first hypothesis and “Blue-green spiny leaves” for confirmation.
Place the sighting of Sacramento Prickly Poppy in context by recording “Canyon bottoms, limestone slopes, roadsides, and disturbed openings on the Sacramento Mountains’ west side” and “Large white flowers appear mainly May–August, varying with elevation and rainfall”. For Sacramento Prickly Poppy, the detail “Yellow stamen cluster” makes the observation easier to check.
- Range
- Western Sacramento Mountains only
- Bloom
- White petals with yellow center
- Status
- Endangered
Quick guide
- Read the form
- Large crinkled white petals
- Cross-check
- Blue-green spiny leaves; context: Canyon bottoms, limestone slopes, roadsides, and disturbed openings on the Sacramento Mountains’ west side
Read Sacramento Prickly Poppy in four field decisions
- Begin with structure
- Begin with Large crinkled white petals.
- Challenge the first impression
- After the overall form, confirm Blue-green spiny leaves.
- Check when and where
- Search Canyon bottoms, limestone slopes, roadsides, and disturbed openings on the Sacramento Mountains’ west side, using habitat as supporting evidence rather than proof by itself.
- Keep behavior natural
- Leave Sacramento Prickly Poppy and its habitat exactly as found.
Good to know
For Sacramento Prickly Poppy, repeated quiet observation from one position generally reveals more diagnostic information than following, handling, or repositioning the subject.
Notice these
- Large crinkled white petals
- Blue-green spiny leaves
- Yellow stamen cluster