naturalizedAmaranthaceae
Achyranthes aspera
Devil's Horsewhip
Naturalized (non-native)non-native
Introduced and now reproducing on its own in the wild.
Achyranthes aspera (common names: chaff-flower, prickly chaff flower, devil's horsewhip, Sanskrit: अपामार्ग apāmārga) is a species of plant in the family Amaranthaceae. It is distributed throughout the tropical world. It can be found in many places growing as an introduced species and a common weed. It is an invasive species in some areas, including many Pacific Islands environments.
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Seasonality
Only 1 phenology-annotated observation exist for this species in Hawaiʻi — too few to describe a season. No window is inferred.
Gallery · 5 · iNaturalist
open-licensed photos · click any to view its source
Where documented · 30 ahupuaʻa
documented occurrences · iNaturalist + GBIF · iNaturalist 54 · GBIF 55 records
Honouliuli · OʻahuiNat 8 · GBIF 8 ✓
Waimānalo · OʻahuiNat 6 · GBIF 5 ✓
Waikīkī · OʻahuiNat 5 · GBIF 5 ✓
Honolulu · OʻahuiNat 5 · GBIF 3 ✓
Waipiʻo · OʻahuiNat 3 · GBIF 5 ✓
Waiʻanae · OʻahuiNat 2 · GBIF 5 ✓
Hakipuʻu · OʻahuiNat 2 · GBIF 2 ✓
Honokōhau 1-3 · HawaiʻiiNat 3 · GBIF 1 ✓
Kailua · OʻahuiNat 2 · GBIF 2 ✓
Kaʻaʻawa · OʻahuiNat 2 · GBIF 1 ✓
Kaʻena · OʻahuiNat 1 · GBIF 1 ✓
Waikele · OʻahuiNat 1 · GBIF 1 ✓
Māhāʻulepū · KauaʻiiNat 1 · GBIF 1 ✓
Waiau · OʻahuiNat 1 · GBIF 1 ✓
Kualoa 2 · OʻahuiNat 1 · GBIF 1 ✓
Kahaluʻu · HawaiʻiiNat 1 · GBIF 1 ✓
Waiawa · OʻahuiNat 1 · GBIF 1 ✓
Kūpeke · MolokaʻiiNat 1 · GBIF 1 ✓
Keaʻau · OʻahuiNat 1 · GBIF 1 ✓
Kamāʻoa, Puʻuʻeo, Ke · HawaiʻiiNat 1 · GBIF 1 ✓
Heʻeia · OʻahuiNat 1 · GBIF 1 ✓
Keana · OʻahuiNat 1 · GBIF 1 ✓
Anapuka, Hoʻopūloa · HawaiʻiiNat 1 · GBIF 1 ✓
Kapaka · OʻahuGBIF 2
Maunalua · OʻahuiNat 1
Kalāheo · KauaʻiiNat 1
Ukumehame · MauiGBIF 1
Wailuku · MauiGBIF 1
Waimea · OʻahuGBIF 1