Pipturus albidus
endemicUrticaceae

Pipturus albidus

Māmaki

Endemic to Hawaiʻinative

Found naturally nowhere else on Earth.

Pipturus albidus, known as māmaki (sometimes waimea, for its resemblance to olomea) in Hawaiian and known as Waimea pipturus in English, is a species of flowering plant in the nettle family, Urticaceae, that is endemic to Hawaiʻi. It inhabits coastal mesic, mixed mesic, and wet forests at elevations of 60–1,830 m (200–6,000 ft). Māmaki is a small tree that reaches a height of 9 m (30 ft) and a trunk diameter of 0.3 m (0.98 ft).

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Seasonality
18 flowering · 9 fruiting annotations · iNaturalist · fetched Jul 2026
JFMAMJJASONDpeak
flowering (peak June) fruiting (peak March)

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 · 3 · iNaturalist
open-licensed photos · click any to view its source
Where documented · 69 ahupuaʻa
documented occurrences · iNaturalist + GBIF · iNaturalist 200 · GBIF 289 records
Keauhou · HawaiʻiiNat 73 · GBIF 96
Honolulu · OʻahuiNat 27 · GBIF 37
Waikīkī · OʻahuiNat 17 · GBIF 20
Keaʻau · HawaiʻiiNat 11 · GBIF 19
ʻŌlaʻa · HawaiʻiiNat 5 · GBIF 8
Manukā · HawaiʻiiNat 6 · GBIF 6
Wailua · KauaʻiiNat 8 · GBIF 2
Kāneʻohe · OʻahuiNat 2 · GBIF 8
Honouliuli · OʻahuiNat 2 · GBIF 6
Kailua · OʻahuiNat 2 · GBIF 4
Honuaʻula · HawaiʻiiNat 3 · GBIF 3
Waiākea · HawaiʻiiNat 1 · GBIF 5
Waimea · KauaʻiiNat 2 · GBIF 3
Keauohana, Kehena · HawaiʻiiNat 2 · GBIF 3
Mākaha · OʻahuiNat 1 · GBIF 3
Hāʻena · KauaʻiiNat 2 · GBIF 2
Hakipuʻu · OʻahuiNat 2 · GBIF 2
Kaloko · HawaiʻiiNat 2 · GBIF 2
ʻĀpua · HawaiʻiiNat 2 · GBIF 2
Kapāpala · HawaiʻiiNat 1 · GBIF 2
Waipiʻo · HawaiʻiiNat 2 · GBIF 1
Pūlehunui · MauiiNat 2 · GBIF 1
Kaiwikinui · HawaiʻiiNat 1 · GBIF 1
Honuaʻula · HawaiʻiiNat 1 · GBIF 1
Hāmākuapoko · MauiiNat 1 · GBIF 1
Honolua · MauiiNat 1 · GBIF 1
Waimānalo · OʻahuiNat 1 · GBIF 1
Hanakoa · KauaʻiiNat 1 · GBIF 1
Waimea, Waikoloa · HawaiʻiiNat 1 · GBIF 1
Kawaihāpai · OʻahuiNat 1 · GBIF 1
Wailuku · MauiiNat 1 · GBIF 1
Kamaʻeʻe · HawaiʻiiNat 1 · GBIF 1
Pālāwai · LānaʻiiNat 1 · GBIF 1
Kamoku · LānaʻiiNat 1 · GBIF 1