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Asteraceae
Eupatorium

not marked as a favorite taxon Eupatorium hyssopifolium Linnaeus. Common name: Hyssopleaf Eupatorium. Phenology: Late Jul-Oct. Habitat: Woodlands and oak savannas, 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.

Glossary (beta!)

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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image #1 of Eupatorium hyssopifolium© Bruce A. Sorrie | Original Image ⭷
image #2 of Eupatorium hyssopifolium© Jeffrey S. Pippen | Original Image ⭷
image #3 of Eupatorium hyssopifolium© Jeffrey S. Pippen | Original Image ⭷
image #4 of Eupatorium hyssopifolium© Scott Ward, some rights reserved (CC BY), uploaded by Scott Ward source CC-BY | Original Image ⭷
image #5 of Eupatorium hyssopifolium© Stan Gilliam | Original Image ⭷
image #6 of Eupatorium hyssopifolium© Collectors SOS | Original Image ⭷
image #7 of Eupatorium hyssopifolium© Gary P. Fleming | Original Image ⭷
image #8 of Eupatorium hyssopifolium© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #10 of Eupatorium hyssopifolium© Gary P. Fleming | Original Image ⭷
image #11 of Eupatorium hyssopifolium© Collectors SOS | Original Image ⭷
image #13 of Eupatorium hyssopifolium© Erik Danielson source | Original Image ⭷

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Horticultural Information

NCBG trait

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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