Pilea microphylla
naturalizedUrticaceae

Pilea microphylla

Artillery Plant

Naturalized (non-native)non-native

Introduced and now reproducing on its own in the wild.

Pilea microphylla also known as rockweed, artillery plant, gunpowder plant or (in Latin America) brilhantina is an annual plant native to Florida, Mexico, the West Indies, and tropical Central and Southern America. In the southern part of México, specifically Campeche and Merida, the local name is Frescura. The plant belongs to the family Urticaceae. It has light green, almost succulent, stems and tiny 1/8" leaves which contribute to its other nickname, "Artillery Fern", though it is

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Seasonality

Only 23 phenology-annotated observations exist for this species in Hawaiʻi — too few to describe a season. No window is inferred.

Gallery · 7 · iNaturalist
open-licensed photos · click any to view its source
Where documented · 96 ahupuaʻa
documented occurrences · iNaturalist + GBIF · iNaturalist 198 · GBIF 289 records
Waikīkī · OʻahuiNat 32 · GBIF 56
Honolulu · OʻahuiNat 19 · GBIF 19
Kāneʻohe · OʻahuiNat 12 · GBIF 17
Hanalei · KauaʻiiNat 8 · GBIF 10
Kalaoa 1-5 · HawaiʻiiNat 9 · GBIF 7
Kailua · OʻahuiNat 3 · GBIF 12
Heʻeia · OʻahuiNat 7 · GBIF 7
Waiākea · HawaiʻiiNat 6 · GBIF 7
Piʻihonua · HawaiʻiiNat 2 · GBIF 10
Wailuku · MauiiNat 5 · GBIF 7
Moanalua · OʻahuiNat 4 · GBIF 8
Waimea · OʻahuiNat 4 · GBIF 6
Hāʻena · KauaʻiiNat 4 · GBIF 5
Honomū, Kuhua · HawaiʻiiNat 3 · GBIF 6
Ponahawai · HawaiʻiiNat 4 · GBIF 4
Keaʻau · HawaiʻiiNat 3 · GBIF 5
Kalapakī · KauaʻiiNat 3 · GBIF 2
Honuaʻula · HawaiʻiiNat 2 · GBIF 3
Honopou · MauiiNat 1 · GBIF 4
Kīlauea · KauaʻiiNat 2 · GBIF 3
Nāmāhana · KauaʻiiNat 3 · GBIF 2
Maunalua · OʻahuiNat 2 · GBIF 2
Keʻanae · MauiiNat 2 · GBIF 2
Hōnaunau · HawaiʻiiNat 2 · GBIF 2
Manukā · HawaiʻiiNat 2 · GBIF 2
Wailua · KauaʻiiNat 1 · GBIF 3
Mānana · OʻahuiNat 2 · GBIF 2
Nāpili 2-3 · MauiiNat 1 · GBIF 2
Punahoa 2 · HawaiʻiiNat 1 · GBIF 2
Wailuanui · MauiiNat 1 · GBIF 2
Kaʻakepa · HawaiʻiiNat 1 · GBIF 2
Keauhou · HawaiʻiiNat 2 · GBIF 1
Kapaʻa · KauaʻiiNat 2 · GBIF 1
Waipiʻo · OʻahuiNat 1 · GBIF 2
ʻAlaenui · MauiiNat 1 · GBIF 1
Kaʻonoʻulu · MauiiNat 1 · GBIF 1
Honokahua · MauiiNat 1 · GBIF 1
Keauohana, Kehena · HawaiʻiiNat 1 · GBIF 1
Kaupakuea, Makea · HawaiʻiiNat 1 · GBIF 1
Kēōkea · MauiiNat 1 · GBIF 1
Waiakoa · MauiiNat 1 · GBIF 1
Kōloa · KauaʻiiNat 1 · GBIF 1
East Makaīwa · MauiiNat 1 · GBIF 1
Puʻuʻeo · HawaiʻiiNat 1 · GBIF 1
Kēōkea · HawaiʻiiNat 1 · GBIF 1
Hōʻaeʻae · OʻahuiNat 1 · GBIF 1
Kamananui · OʻahuiNat 1 · GBIF 1
Kalihi · OʻahuiNat 1 · GBIF 1
Keahuolū · HawaiʻiiNat 1 · GBIF 1