naturalizedPolygonaceae
Rumex acetosella
Sheep's sorrel
Naturalized (non-native)non-native
Introduced and now reproducing on its own in the wild.
Rumex acetosella, commonly known as sheep's sorrel, red sorrel, sour weed and field sorrel, is a species of flowering plant in the buckwheat family Polygonaceae. The plant and its subspecies are common perennial weeds. It has green arrowhead-shaped leaves and red-tinted deeply ridged stems, and it sprouts from an aggressive and spreading rhizome. The flowers emerge from a tall, upright stem. Female flowers are maroon in color.
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Seasonality
Only 2 phenology-annotated observations exist for this species in Hawaiʻi — too few to describe a season. No window is inferred.
Gallery · 8 · iNaturalist
open-licensed photos · click any to view its source
Where documented · 22 ahupuaʻa
documented occurrences · iNaturalist + GBIF · iNaturalist 150 · GBIF 138 records
Kaʻohe Mauka · HawaiʻiiNat 35 · GBIF 33 ✓
Papaʻanui · MauiiNat 31 · GBIF 27 ✓
Kalialinui · MauiiNat 29 · GBIF 24 ✓
Humuʻula · HawaiʻiiNat 19 · GBIF 19 ✓
Kahikinui · MauiiNat 11 · GBIF 3 ✓
Keauhou · HawaiʻiiNat 5 · GBIF 6 ✓
Pāpaʻikou · HawaiʻiiNat 4 · GBIF 4 ✓
Nuʻu · MauiiNat 4 · GBIF 3 ✓
Pūlehunui · MauiiNat 2 · GBIF 5 ✓
Waimea · KauaʻiiNat 1 · GBIF 4 ✓
Kahuku · HawaiʻiiNat 3 · GBIF 1 ✓
Hoʻokena · HawaiʻiiNat 1 · GBIF 1 ✓
Wainiha · KauaʻiiNat 1 · GBIF 1 ✓
Waiākea · HawaiʻiiNat 1 · GBIF 1 ✓
Hakalau · HawaiʻiiNat 1 · GBIF 1 ✓
Kamaʻeʻe · HawaiʻiiNat 1
Naholoku · MauiGBIF 1
Piʻihonua · HawaiʻiGBIF 1
Kanaio · MauiGBIF 1
Nakula · MauiGBIF 1