Eupatorium hyssopifolium Linnaeus. Common name: Hyssopleaf Eupatorium. Phenology: Late Jul-Oct. Habitat: Woodlands and oak savanna, roadbanks, pastures, fields, disturbed areas, over calcareous and acidic substrates. Distribution: MA west to nc. KY, s. IN (S. Namestnik, pers.comm., 2022), s.IL, se. MO, south to ne. FL and se. TX.
Origin/Endemic status: Native
Synonymy ⓘ: = Il, NE, NY, Tn, Va, Schilling (2011a); = Eupatorium hyssopifolium L. var. hyssopifolium — Ar, C, Fl7, FNA21, G, Pa, SE1, W; < Eupatorium hyssopifolium L. — RAB, Tx, WV; > Eupatorium hyssopifolium L. var. calcaratum Fernald & Schub. — F; > Eupatorium hyssopifolium L. var. hyssopifolium — F, Tat; > Eupatorium hyssopifolium L. var. linearifolium (Walter) Fernald — Tat; > Eupatorium lecheifolium Greene — S; > Eupatorium sessilifolium L. — S; Eupatorium hyssopifolium L. Basionym: Eupatorium hyssopifolium L. 1753
Links to other floras: = Eupatorium hyssopifolium var. hyssopifolium - FNA21
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Heliophily ⓘ: 8
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© Bruce A. Sorrie | Original Image ⭷
© Jeffrey S. Pippen | Original Image ⭷
© Jeffrey S. Pippen | Original Image ⭷
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© Stan Gilliam | Original Image ⭷
© Collectors SOS | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
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© Gary P. Fleming | Original Image ⭷
© Collectors SOS | Original Image ⭷
© Erik Danielson source | Original Image ⭷Feedback
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Horticultural Information
Intro: Erect perennial of dry woodlands, dune grasslands and scrubs, bogs, damp to dry clearings, roadsides, pastures and other disturbed areas.
Stems: Stems solitary or in small clumps, branched above, finely rough-hairy.
Leaves: Leaves in whorls of 3-4, sessile, linear, to 3 1/4 in. long, with clusters of shorter leaves or short side branches in the axils.
Inforescence:
Flowers: Composite flowers (heads) arranged in flattish clusters at branch tips; heads white or pinkish, consisting of 5 tiny, tubular florets with protruding styles that give heads a fuzzy appearance. A series of 8-10 hairy, greenish-white bracts surround the base of each head.
Fruits:
Comments:
Height: 1-3 ft.
plant sale text:
bloom table text:
description: Erect perennial of dry woodlands, dune grasslands and scrubs, bogs, damp to dry clearings, roadsides, pastures and other disturbed areas.
stems: Stems solitary or in small clumps, branched above, finely rough-hairy.
leaves: Leaves in whorls of 3-4, sessile, linear, to 3 1/4 in. long, with clusters of shorter leaves or short side branches in the axils.
inflorescence:
flowers: Composite flowers (heads) arranged in flattish clusters at branch tips; heads white or pinkish, consisting of 5 tiny, tubular florets with protruding styles that give heads a fuzzy appearance. A series of 8-10 hairy, greenish-white bracts surround the base of each head.
fruits:
comments:
cultural notes:
germination code:
native range: eastern United States
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