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Menispermaceae family

Laurel-leaf Snailseed Cocculus laurifolius

Laurel-leaf Snailseed is an introduced perennial tree, found in the lower 48 states.

More about this plant

Pachygone laurifolia, the laurel-leaved snail tree, is a medium-sized, shrubby evergreen tree of the moonseed family, Menispermaceae. It is native to the foothills of the Himalayas, China, Taiwan, and Japan, where it commonly grows to a height of 2.3 m (7.5 ft), with an equal spread. In cultivation it can reach a similar size where conditions are favorable. Form is round-headed, with a medium to fast growth rate and a coarse texture. Leaves are ovate-lanceolate, about 150 mm (6 in) long by 51 mm (2 in) wide, with a spiral bud arrangement. Leaf color is medium green. This species is dioecious, with male and female flowers on separate plants. Flowers are insignificant: small, yellowish and appearing in spikes at leaf axils. Fruit is a small black drupe. With frequent shearing, plants may work well in a formal setting as a hedge or screen. Will take a wide range of sun and soil conditions within its temperature tolerance. Wikipedia →

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
USDA PLANTS — Lifespan
Lifespan
Perennial
In the garden
Tree layer (canopy / understory) — Sits in the tree 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.
How we know this (1) Methods & honest limits
Photosynthesis Direct fact

A recorded categorical fact: each species is tagged C3 (standard), C4 (heat/water-efficient) or CAM (succulent, night-time CO₂ uptake) — or a facultative combination. We only show a trait card for the noteworthy C4/CAM cases; C3 is the unremarkable majority, kept in the data but not surfaced as a card.

Kattge, J. et al. TRY plant trait database — Categorical Traits Dataset (2012).
Derived values are computed from open data by a published method — labelled, cited, and never shown as a direct observation. Full methodology →
Sources for this entry (13) 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)
[07] Description — Wikipedia (CC BY-SA)
[08] Ecological value — GloBI
[09] Photosynthetic pathway — TRY Plant Trait Database (CC BY 4.0)
[10] Cold hardiness (derived) — Derived from U.S. range × USDA PHZM zones
[13] County range — GBIF Open Data — open-licensed occurrences (CC0/CC-BY) → county
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