Slender-Flowered Beardtongue (Penstemon tenuiflorus Pennell)

Plantaginaceae (Plantian Family)

Synonym(s): Eastern Whiteflower Penstemon, Eastern Whiteflower Beardtongue

Base Flower Color: White
Reproductive Phenology: Apr, May, Jun

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Tennessee Milk Vetch (Astragalus tennesseensis A. Gray ex Chapm.)

Fabaceae (Pea Family)

Base Flower Color: White , Yellow
Reproductive Phenology: Apr , May
Bloom Notes: Flowers are greenish- or yellow-tinged creamy-white.

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Showy Lady’s Slipper (Cypripedium reginae Walter)

Orchidaceae (Orchid Family)

Synonym(s): Showy Lady’s Slipper

Base Flower Color: White, Pink
Reproductive Phenology: Jun, Jul
Bloom Notes: This plant is a clonal plant that grows slowly, occasionally taking over 16 years to produce its first bloom; a single plant can live over fifty years.

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Field Mustard (Brassica rapa L. var. rapa)

Brassicaceae (Mustard Family)

Synonym(s): Rape Mustard, Turnip, Bok Choy, Field Rape

Base Flower Color: Yellow
Reproductive Phenology: Mar , Apr , May

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Western Wallflower (Erysimum capitatum (Douglas ex Hook.) Greene var. capitatum)

Brassicaceae (Mustard Family)

Synonym(s): Sand-dune Wallflower, Western Wallflower, Prairie Rocket

Base Flower Color: Orange, Yellow
Reproductive Phenology: Apr, May, Jun

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Large Whorled Pogonia (Isotria verticillata (Muhl. ex Willd.) Raf.)

Orchidaceae (Orchid Family)

Synonym(s): Large Whorled Pogonia, Purple Fiveleaf Orchid

Base Flower Color: Brown (incl. Maroon) (incl. Maroon), Green, Pink, Yellow
Reproductive Phenology: Apr, May, Jun, Jul

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Great Waterleaf (Hydrophyllum appendiculatum Michx.)

Boraginaceae (Borage Family)

Synonym(s): Appendaged Waterleaf, Woolen Breeches

Base Flower Color: Blue, White
Reproductive Phenology: May, Jun, Jul

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Goldenseal (Hydrastis canadensis L.)

Ranunculaceae (Buttercup Family)

Base Flower Color: White
Reproductive Phenology: Apr, May, Jun
Notes: Imperiled globally because of rarity (6 – 20 occurrences, or few remaining acres, or miles of stream) or very vulnerable to extinction throughout its range because of other factors.

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Spotted Mandarin (Prosartes maculata (Buckley) A. Gray)

Liliaceae (Lily Family)

Synonym(s): Nodding Mandarin, Spotted Mandarin, Yellow Mandarin

Base Flower Color: White
Reproductive Phenology: Apr, May

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Similar Species: Yellow Mandarin (Prosartes lanuginosa (Michx.) D. Don)

Tennessee Trillium (Trillium tennesseense E. E. Schill. & Floden)

Trilliaceae (Trillium Family)

Synonym(s): Southern Red Trillium

Base Flower Color: Yellow
Reproductive Phenology: Apr, May, Jun
Bloom Notes:Trillium tennesseense is a Tennessee endemic that occurs in the Bays Mountain in Hamblen and Hawkins Counties. There are three known occurrence in a very small region but there are thousands of plants. All occurrences are on private land.

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