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Melampyrum lineare Desrousseaux. Cow-wheat. Phen: May-Jul; Aug-Sep. Hab: Dry rocky or sandy soils, including ridgetop woodlands, heath balds, sandy areas in the Coastal Plain from e. VA northwards, and in thin soils around rock outcrops (especially on granitic domes in the Blue Ridge south of the Asheville Basin). Dist: NL (Labrador), QC west to BC, south to e. VA, w. NC, n. GA, c. TN, n. MI, c. MN, MB, SK, w. MT, n. ID, and nw. WA.

Origin/Endemic status: Native

Taxonomy Comments: Varieties have sometimes been recognized (see synonymy), but Weeks (2017a) and Oldham & Weeks (2017) found that the recognition of infraspecific taxa was not warranted.

Synonymy ⓘ: = FNA17, K4, Mi, NE, NY, RAB, S, W, Oldham & Weeks (2017), Weeks (2017a) in Weakley et al (2017); > Melampyrum lineare Desr. var. americanum (Michx.) Beauverd – C, F, G, Pa, Va; > Melampyrum lineare Desr. var. latifolium Barton – C, F, G, Il, K1, K3, Tat, Tn, Va, WV, Pennell (1935); > Melampyrum lineare Desr. var. lineare – F, K1, K3, WV; > Melampyrum lineare Desr. var. pectinatum (Pennell) Fernald – C, F, G, K1, K3, Pa, Tat, Va, Pennell (1935); > Melampyrum lineare Desr. var. typicum – Pennell (1935)

Links to other floras: = Melampyrum lineare - FNA17

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Wetland Indicator Status:

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

Heliophily ⓘ: 6

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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Evan Raskin | Original Image ⭷
image of plant© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Alan M. Cressler | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Edwin Bridges | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Erect annual found on acidic, dry soils of woodlands and around rock outcrops.

Stems: Stems finely branched and finely hairy.

Leaves: Leaves opposite, sessile or nearly so, linear to narrowly lance-shaped, to 2½ in. long and entire, though uppermost leaves often have teeth or lobes at the base.

Inforescence:

Flowers: Flowers solitary in upper leaf axils, appearing paired; straw-colored; to ½ in. long; bilaterally symmetric and tubular; opening to 2 yellow lips, the lower one slightly more prominent and 3-lobed.

Fruits: Fruit an oval capsule.

Comments: Semi-parasitic on a variety of hosts. The similar M. lineare var. latifolium and M. lineare var. pectinatum differ by . . .????

Height: 4-16 in.

plant sale text:

bloom table text:

description: Erect annual found on acidic, dry soils of woodlands and around rock outcrops.

stems: Stems finely branched and finely hairy.

leaves: Leaves opposite, sessile or nearly so, linear to narrowly lance-shaped, to 2½ in. long and entire, though uppermost leaves often have teeth or lobes at the base.

inflorescence:

flowers: Flowers solitary in upper leaf axils, appearing paired; straw-colored; to ½ in. long; bilaterally symmetric and tubular; opening to 2 yellow lips, the lower one slightly more prominent and 3-lobed.

fruits: Fruit an oval capsule.

comments: Semi-parasitic on a variety of hosts. The similar M. lineare var. latifolium and M. lineare var. pectinatum differ by . . .????

cultural notes:

germination code:

native range: