Nicotiana glauca
naturalizedSolanaceae

Nicotiana glauca

tree tobacco

Naturalized (non-native)non-native

Introduced and now reproducing on its own in the wild.

Nicotiana glauca is a species of wild tobacco known by the common name tree tobacco. Its leaves are attached to the stalk by petioles (many other Nicotiana species have sessile leaves), and its leaves and stems are neither pubescent nor sticky like Nicotiana tabacum. It resembles Cestrum parqui but differs in the form of leaves and fusion of the outer floral parts. It grows to heights of more than two meters.

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Seasonality
64 flowering · 11 fruiting annotations · iNaturalist · fetched Jul 2026
JFMAMJJASONDpeak
flowering (peak April) 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 · 9 · iNaturalist
open-licensed photos · click any to view its source
Where documented · 59 ahupuaʻa
documented occurrences · iNaturalist + GBIF · iNaturalist 197 · GBIF 218 records
Puʻuwaʻawaʻa · HawaiʻiiNat 34 · GBIF 32
Honouliuli · OʻahuiNat 17 · GBIF 18
Maunalua · OʻahuiNat 16 · GBIF 16
Mohopilo · MauiiNat 13 · GBIF 14
Kanahena · MauiiNat 12 · GBIF 10
Wailuku · MauiiNat 7 · GBIF 11
Puʻuanahulu · HawaiʻiiNat 8 · GBIF 7
Waikīkī · OʻahuiNat 6 · GBIF 8
Waiohuli · MauiiNat 4 · GBIF 9
Keawaʻula · OʻahuiNat 6 · GBIF 7
Waimea, Waikoloa · HawaiʻiiNat 5 · GBIF 7
Honolulu · OʻahuiNat 4 · GBIF 7
Kalihi · MauiiNat 6 · GBIF 4
Papaka Kai · MauiiNat 4 · GBIF 4
Kaʻūpūlehu · HawaiʻiiNat 5 · GBIF 3
Hāmākuapoko · MauiiNat 3 · GBIF 3
N/A · KahoʻolaweiNat 3 · GBIF 3
Kēōkea · MauiiNat 1 · GBIF 4
Kahikinui · MauiiNat 2 · GBIF 3
Waiʻanae · OʻahuiNat 3 · GBIF 2
Waikapū · MauiiNat 2 · GBIF 3
Kamaʻole · MauiiNat 1 · GBIF 3
Kanaio · MauiiNat 2 · GBIF 2
Keaʻau · OʻahuiNat 1 · GBIF 2
Kaʻena · OʻahuiNat 1 · GBIF 1
Nāpili 2-3 · MauiiNat 1 · GBIF 1
Maunalei · LānaʻiiNat 1 · GBIF 1
Waiawa · OʻahuiNat 1 · GBIF 1
Waimānalo · OʻahuiNat 1 · GBIF 1
Waiakoa · MauiiNat 1 · GBIF 1
Moaliʻi · MauiiNat 1 · GBIF 1
Kalulu · LānaʻiiNat 1 · GBIF 1
Kohanaiki · HawaiʻiiNat 1 · GBIF 1
Pūlehunui · MauiiNat 1 · GBIF 1
Waimea · OʻahuiNat 1 · GBIF 1
Kapulei · MolokaʻiiNat 1 · GBIF 1
Mānana · OʻahuiNat 1 · GBIF 1
Kamoku · LānaʻiiNat 1 · GBIF 1
Honokōwai · MauiiNat 1 · GBIF 1
Honokeana · MauiiNat 1 · GBIF 1
Kaluako‘i · MolokaʻiiNat 1 · GBIF 1