Begonia hirtella
naturalizedBegoniaceae

Begonia hirtella

bearded begonia

Naturalized (non-native)non-native

Introduced and now reproducing on its own in the wild.

Begonia hirtella, the bearded begonia, is a species of flowering plant in the family Begoniaceae. It is native to Jamaica, Venezuela, Colombia, Peru, Bolivia, and southern Brazil, and has been introduced to many tropical locales around the world. People apply its juices to their skin to treat itchiness from insect bites.

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Seasonality
94 flowering · 57 fruiting annotations · iNaturalist · fetched Jul 2026
JFMAMJJASONDpeak
flowering (peak March) fruiting (peak October)

This is an inference, not a schedule. The curve reflects when observers annotated flowering and fruiting — which tracks observer effort as well as plant behavior, and pools all elevations and islands into one signal. Hawaiʻi’s microclimates vary enormously; a species may fruit in January at sea level and June at elevation. Use this to know when to look, then look.

Gallery · 8 · iNaturalist
open-licensed photos · click any to view its source
Where documented · 67 ahupuaʻa
documented occurrences · iNaturalist + GBIF · iNaturalist 200 · GBIF 298 records
Waikīkī · OʻahuiNat 60 · GBIF 101
Honolulu · OʻahuiNat 23 · GBIF 46
Honomū, Kuhua · HawaiʻiiNat 25 · GBIF 23
Piʻihonua · HawaiʻiiNat 4 · GBIF 15
Waiākea · HawaiʻiiNat 5 · GBIF 9
Kapoho · HawaiʻiiNat 6 · GBIF 6
Keaʻau · HawaiʻiiNat 5 · GBIF 7
Kalihiwai · KauaʻiiNat 5 · GBIF 5
Kahakuloa · MauiiNat 4 · GBIF 5
Koʻolau · MauiiNat 4 · GBIF 5
Kalaoa 1-5 · HawaiʻiiNat 5 · GBIF 3
Keʻanae · MauiiNat 5 · GBIF 2
Kapaʻa · KauaʻiiNat 4 · GBIF 3
Kāneʻohe · OʻahuiNat 2 · GBIF 4
Puʻuʻeo · HawaiʻiiNat 2 · GBIF 3
Honomanü · MauiiNat 2 · GBIF 3
Keʻei 2 · HawaiʻiiNat 2 · GBIF 3
Hāʻena · KauaʻiiNat 3 · GBIF 1
Ponahawai · HawaiʻiiNat 1 · GBIF 3
Wailua · KauaʻiiNat 3 · GBIF 1
Alakahi · HawaiʻiiNat 1 · GBIF 2
Kailua · OʻahuiNat 2 · GBIF 1
East Makaīwa · MauiiNat 1 · GBIF 2
Manukā · HawaiʻiiNat 1 · GBIF 2
Honopou · MauiiNat 1 · GBIF 2
Waimea · OʻahuiNat 1 · GBIF 2
Kahaluʻu · OʻahuiNat 1 · GBIF 2
Keonepokoiki · HawaiʻiiNat 1 · GBIF 1
Wailuanui · MauiiNat 1 · GBIF 1
Onomea · HawaiʻiiNat 1 · GBIF 1
Hauʻula · OʻahuiNat 1 · GBIF 1
Kalihikai · KauaʻiiNat 1 · GBIF 1
Kaloko · HawaiʻiiNat 1 · GBIF 1
Paukaʻa · HawaiʻiiNat 1 · GBIF 1
Aukuʻu · OʻahuiNat 1 · GBIF 1
Kamaʻeʻe · HawaiʻiiNat 1 · GBIF 1
Weha, Mahakuolo · HawaiʻiiNat 1 · GBIF 1
Hakalau · HawaiʻiiNat 1 · GBIF 1
Waiea · HawaiʻiiNat 1 · GBIF 1