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Squareseed Spurge
Plants

Square-seed Spurge

Euphorbia exstipulata

Authorship: Engelmann

Sources

[McGoldrick 22]

Taxonomic Classification

KingdomPlantae
PhylumMAGNOLIOPHYTA (Flowering Plants)
ClassMAGNOLIOPSIDA (Dicots)
FamilyEUPHORBIACEAE (Spurge Family)
GenusEuphorbia
Speciesexstipulata

Recent Observations

Sourced from iNaturalist

Squareseed Spurge (opens in new tab)
Squareseed Spurge
caraghsunshineOct 20, 2026Big Bend National Park, Alpine, TX, US
Squareseed Spurge (opens in new tab)
Squareseed Spurge
radhaveachOct 19, 2026Graham County, AZ, USA
Squareseed Spurge (opens in new tab)
Squareseed Spurge
ambiguousreptileOct 14, 2026Carlsbad, NM, US
Squareseed Spurge (opens in new tab)
Squareseed Spurge
debmOct 8, 2026Big Bend National Park, Alpine, TX, US
Squareseed Spurge (opens in new tab)
Squareseed Spurge
annieliveoakSep 25, 2026Big Bend National Park, TX 79834, USA
Squareseed Spurge (opens in new tab)
Squareseed Spurge
stumpertomOct 3, 2026Hereford
Squareseed Spurge (opens in new tab)
Squareseed Spurge
skyjacobsSep 14, 2026Cochise County, AZ, USA
Squareseed Spurge (opens in new tab)
Squareseed Spurge
skyjacobsSep 14, 2026Cochise County, AZ, USA
Squareseed Spurge (opens in new tab)
Squareseed Spurge
camerondakotaSep 25, 2026Marble Canyon, AZ, US
Squareseed Spurge (opens in new tab)
Squareseed Spurge
phoebe_a1Sep 21, 2026Overgaard, AZ, US

Conservation assessments from the following sources:

  • NatureServe Explorer
  • IUCN Red List
  • Texas Parks & Wildlife — Species of Greatest Conservation Need (SGCN)
Conservation status by source
IUCN Red ListNot assessed
NatureServe Global (opens in new tab)
G5Secure
NatureServe (Texas) (opens in new tab)
SNRNot Ranked
Texas SGCNNot assessed