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Agalinis tenuifolia (Vahl) Rafinesque. Slenderleaf Agalinis. Phen: Aug-Oct; Sep-Nov. Hab: Wooded slopes, savannas, granitic outcrops, roadsides, other dry habitats. Dist: ME, ON, MI, and MO, south to FL and LA.

Origin/Endemic status: Native

Synonymy ⓘ: = Ar, C, Fl7, FNA17, Il, K3, K4, Mi, NY, Pa, RAB, Tn, W, Sorrie (2017b) in Weakley et al (2017); = Gerardia tenuifolia Vahl – Tat; > Agalinis besseyana Britton – Il; > Agalinis tenuifolia (Vahl) Raf. var. leucanthera – K1, NcTx, S, Tx; > Agalinis tenuifolia (Vahl) Raf. var. macrophylla – GrPl, K1, NE, S; > Agalinis tenuifolia (Vahl) Raf. var. parviflora – GrPl, NE; > Agalinis tenuifolia (Vahl) Raf. var. polyphylla – K1, S; > Agalinis tenuifolia (Vahl) Raf. var. tenuifolia – K1, NE, S, Va; > Gerardia polyphylla Small; > Gerardia tenuifolia Vahl ssp. leucanthera (Raf.) Pennell; > Gerardia tenuifolia Vahl ssp. macrophylla (Benth.) Pennell – Pennell (1935); > Gerardia tenuifolia Vahl ssp. polyphylla (Small) Pennell – Pennell (1935); > Gerardia tenuifolia Vahl ssp. typica Pennell; > Gerardia tenuifolia Vahl var. macrophylla Benth. – F; > Gerardia tenuifolia Vahl var. parviflora Nutt. – F; > Gerardia tenuifolia Vahl var. tenuifolia – F, G

Links to other floras: = Agalinis tenuifolia - FNA17

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACU
  • Eastern Mountains and Piedmont: FAC
  • Great Plains: FAC
  • Midwest: FACW
  • Northcentral & Northeast: FACW

Heliophily ⓘ: 9

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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Joey Shaw source | Original Image ⭷
image of plant© Joey Shaw source | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Erect annual found on wooded slopes, savannas, granitic outcrops, roadsides and other dry habitats.

Stems: Stems slender, weakly angled, often profusely branched, dull green to red-purple and smooth or slightly hairy.

Leaves: Leaves opposite, linear to needle-like, 3/4-2 in. long, sometimes darkened to reddish-purple, with a prominent mid-vein.

Inforescence:

Flowers: Flowers in a branching, terminal raceme; rose-pink, about ½ in. long, tubular bell-shaped with 5 lobes, the bottom 3 spreading and the upper 2 flopping down to partly cover the corolla tube opening; white with pink spots and 2 yellow lines within the tube.

Fruits: Fruit a many-seeded, round capsule.

Comments:

Height: 8-30 in.

plant sale text:

bloom table text:

description: Erect annual found on wooded slopes, savannas, granitic outcrops, roadsides and other dry habitats.

stems: Stems slender, weakly angled, often profusely branched, dull green to red-purple and smooth or slightly hairy.

leaves: Leaves opposite, linear to needle-like, 3/4-2 in. long, sometimes darkened to reddish-purple, with a prominent mid-vein.

inflorescence:

flowers: Flowers in a branching, terminal raceme; rose-pink, about ½ in. long, tubular bell-shaped with 5 lobes, the bottom 3 spreading and the upper 2 flopping down to partly cover the corolla tube opening; white with pink spots and 2 yellow lines within the tube.

fruits: Fruit a many-seeded, round capsule.

comments:

cultural notes:

germination code:

native range: