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iNaturalist — CC, credited & licensed per image

Annonaceae family
Polyalthia Polyalthia suberosa
Polyalthia is an introduced plant, found in the lower 48 states. It grows to 16 ft.
⚠ Invasive here — plant a native instead USDA + GBIF
Polyalthia is flagged invasive in the U.S. These natives fill a similar niche — same growth habit, bloom season, height, and region — so you keep the look and feed local wildlife instead of spreading a problem.
Native
Sandhill Oak
Quercus inopina
●●●●●
Native
Deerberry
Vaccinium stamineum
●●●●●
Native
Falseteeth
Capparis flexuosa
●●●●○
Native
Stiff Dogwood
Cornus foemina
●●●●○ Matched on growth habit · bloom months · mature height · shared U.S. range (USDA + GBIF) — a starting point, not a prescription.
Growing & care
USDA PLANTS · TRY Conditions
Sources · Conditions
Cold hardiness (derived) — Hardiness
- Hardiness
- ≥ zone 11 derived from its U.S. range
Size & form
Sources · Size & form
TRY Plant Trait Database (CC BY 4.0) — Height · Foliage
- Height
- 16 ft
- Foliage
- Broadleaf
In the garden
Shrub layer — Sits in the shrub of a layered food forest or polyculture.Open guide →
derived roles
Species characteristics from USDA PLANTS (public domain) + TRY (CC BY) — general guidance, not a
guarantee for your exact site. Deer "browsing" is documented palatability, not a deer-proof claim.
Sources for this entry (15) Open & cited
[01] Scientific name & family — USDA PLANTS (DwCA, Zenodo 17903503)
[02] Growth habit & duration — USDA PLANTS (DwCA, Zenodo 17903503)
[03] Native status & distribution — USDA PLANTS (DwCA, Zenodo 17903503)
[04] Common name — USDA PLANTS (via GBIF)
[05] Invasive / introduced status — US-RIIS v2.0 (USGS)
[06] Photos — iNaturalist — CC, credited per image
[07] Ecological value — GloBI
[08] Foliage — TRY Plant Trait Database (CC BY 4.0)
[09] Height — TRY Plant Trait Database (CC BY 4.0)
[10] Functional traits — TRY Plant Trait Database (CC BY 4.0)
[11] Cold hardiness (derived) — Derived from U.S. range × USDA PHZM zones
[13] Chromosomes — ChromoDB — IAPT/IOPB chromosome data series (Zenodo, CC BY 4.0)
[14] Human uses — Dr. Duke's Phytochemical & Ethnobotanical Databases (USDA, CC0)
[15] County range — GBIF Open Data — open-licensed occurrences (CC0/CC-BY) → county
Spot an error or have a better photo? Every field links to its source, and the whole dataset is open.
Cite this page Open data, please attribute
PlantKey’s data is open under CC BY-SA 4.0 — free to reuse and adapt, with attribution and the same licence. Photos keep their own per-image licence + credit (see Sources above).
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