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Home / Browse / Aureolaria / Smooth Yellow False Foxglove (var. macrantha)
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Pictured: Aureolaria flava — the species. This variety isn’t separately illustrated.
Scrophulariaceae family

Smooth Yellow False Foxglove (var. macrantha) Aureolaria flava var. macrantha variety

Native

Smooth Yellow False Foxglove (var. macrantha) is a perennial wildflower native to Canada and the lower 48 states.

More about this plant

Aureolaria flava, commonly called smooth yellow false foxglove or Gérardie jaune, is a species of plant in the broomrape family that is native to the eastern United States and some parts of southern Canada. Aureolaria flava is a species of flowering plants found within the genus Aureolaria. Aureolaria plants are hemiparasitic, which is a character that in part describes its residing family Orobanchaceae. Wikipedia →

Growing & care

USDA PLANTS · TRY
Conditions
Sources · Conditions
Cold hardiness (derived) — Hardiness
Hardiness
≥ zone 7 derived from its U.S. range
Size & form
Sources · Size & form
USDA PLANTS — Lifespan
Lifespan
Perennial
In the garden
Herb layer — Sits in the herb 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.

Wildlife & pollinators

How pollinator value is scored →
❧ Caterpillar hosts ~4 caterpillar species

Aureolaria supports ~4 caterpillar species.

Native butterfly & moth caterpillars are the base of the terrestrial food web — most songbirds rear their young almost entirely on them. As a host for native Lepidoptera this is a modest genus.

Recorded feeding on Aureolaria in North America, including:

Autographa precationis · Common Looper Euphydryas phaeton · Baltimore Checkerspot Junonia coenia · Common Buckeye Rhodoecia aurantiago · owlet moth Stenoptilodes auriga · plume moth
Keystone count (genus-level) from Warren II 2026 (CC0) · Tallamy host-use records. Named species (a documented Nearctic sample, not exhaustive) from NHM HOSTS (CC0).
Species thumbnails re-hosted from iNaturalist — Creative Commons, credited per image (hover for credit). Click any species to see it on iNaturalist. Not exhaustive; many taxa have no openly-licensed photo yet.
Sources for this entry (12) 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 — USDA PLANTS (DwCA, Zenodo 17903503) — native status
[06] Description — Wikipedia (CC BY-SA)
[07] Ecological value — Warren II 2026 (CC0) · Tallamy host-use counts
[08] Conservation rank — NatureServe Explorer (CC BY)
[09] Cold hardiness (derived) — Derived from U.S. range × USDA PHZM zones
[10] Caterpillar host count — Warren II 2026 (Dryad, CC0) · Tallamy host-use counts
[11] Caterpillar species — NHM HOSTS (CC0)
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