that are …

🥾 boot-top high (∼30 cm high) (∼12 in high)  or
👟︎    ankle-high     (<9 cm high) (<3½ in high) :

🥾 Boot-top high (∼30 cm high) (∼12 in high)

with a …
✾/🍁︎ flower appearing ↑ above the leaves  or
✾\🍁︎ flower appearing ↓ below the leaves :

✾\🍁︎ Flower appearing ↓ below the leaves

three leaves attached at ⛛ equal 120° angles
✾\🍁︎ white flower appears ↓ beneath the leaves
nodding trillium/whip-poor-will flower  Trillium cernuum

three leaves attached T-shaped at 90°, 90° and 180° angles
✾\🍁︎ green flower appears ↓ beneath the leaves
Jack in the pulpit  Arisaema triphyllum

Learn more about trillium genus Trillium

Part of bunchflower  family Melanthiaceae (formerly family Liliaceae ), in lily / trillium / 🌷︎ tulip  order Liliales.

Various species are native to different temperate areas of 🇨🇦 🇺🇸 North America and Asia.   🗺 Map of most species by county (🇺🇸 USA-48).

Uses by native peoples
(Ethnobotany database)

Trillium hosts caterpillars of 2 species
of butterflies and moths, in some areas.
Uses by butterflies,
planting info
  Wildflowers of West Michigan  Adobe Acrobat Reader file (page 8)

Trillium likes sandy soil, because their seeds are disbursed by 🐜︎ ants, and ants like sandy soil.   Trillium seeds are disbursed by ants because trillium seeds (and seeds of other woodland plants that seem to grow in clumps) have a 😋︎ yummy attachment, that cause 🐜︎ ants to move them to their nests, up to 2.4 m (8 ft) [2] or 8 m (30 ft) away! [3]  Adobe Acrobat Reader file

🔍︎ 🔍︎ images Discover Life Encyclopedia of Life Michigan Flora Minnesota Wildflowers Flora of North America USDA PLANTS db USFS Wikipedia