Globe Springparsley Cymopterus globosus
Globe Springparsley is a perennial wildflower native to the lower 48 states.
More about this plant
Cymopterus globosus is a species of flowering plant in the carrot family known by the common name globe springparsley. This plant is native to the sandy flats extending between eastern California and Utah in the western United States. It is a low, stemless plant with leaves parallel to or lying flat on the ground. The green-gray parsley-shaped leaves are divided into several leaflets, which are further divided into neatly pointed segments. One or more tall purple or red-brown peduncles hold an inflorescence which is a spherical umbel densely packed with white or pinkish-purple flowers. They may be held in pairs atop the peduncle, and are often heavy enough to bend the peduncle to the ground. Wikipedia →
Growing & care
USDA PLANTS · TRY- Hardiness
- ≥ zone 8 derived from its U.S. range
- Lifespan
- Perennial
- Flower colour
- White AI AI image-analysis of community-science photos (~87% expert agreement) — not a botanical record
Wildlife & pollinators
How pollinator value is scored →❧ Caterpillar hosts Documented caterpillar host
Recorded feeding on Cymopterus in North America, including:
Related plants
More Cymopterus →
How we know this (2) Methods & honest limits
We take the plant’s U.S. county range and look up each county’s long-term climate, then summarise: native rainfall = the median annual rainfall across its counties; heat tolerance = the warm end (90th percentile) of average temperature across its range (mirroring how our cold-hardiness floor uses an extreme). Counties + medians blunt the roadside/observer bias that makes point-level climate unreliable. Needs at least five placeable counties.
Honest limits: A realized, sampling-biased niche (where it has been recorded, not its physiological optimum), and county climate is coarse — large Western counties span deserts and mountains. Derived guide, never a measured fact.
McKenzie et al. assigned each species a flower colour with a GPT-4V vision model over iNaturalist photos. We use the confident tier plus a separately-labelled lower-confidence top-up (mostly inconspicuous green/brown flowers), and render it as a small tint — never as an asserted fact, and kept out of the written synopsis.
Honest limits: AI image inference (~87% expert agreement on the confident tier); a decorative, confidence-tiered indicator, not a measured trait.
Sources for this entry (14) Open & cited
Cite this page Open data, please attribute
PlantKey’s data is open under CC BY-SA 4.0 — free to reuse and adapt, with attribution and the same licence. Photos keep their own per-image licence + credit (see Sources above).
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