Helianthus tuberosus Linnaeus. Common name: Jerusalem Artichoke. Phenology: Jul-Oct. Habitat: Native in rich bottomlands and along streams, disturbed areas, cultivated in gardens for the edible tubers. Distribution: Native distribution is unclear, perhaps OH, MI, MN, ND, and e. MT south to w. TN, LA, and TX.
Origin/Endemic status: Native
Synonymy ⓘ: = Ar, C, Fl7, FNA21, K4, Mi, NcTx, NE, NY, Oh3, Pa, RAB, S, SE1, Tat, Tn, Tx, Va, W, WH3; > Helianthus tuberosus L. var. subcanescens A.Gray — F, G, GrPl; > Helianthus tuberosus L. var. tuberosus — F, G, Il. Basionym: Helianthus tuberosus L. 1753
Links to other floras: = Helianthus tuberosus - FNA21
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Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FACU
- Eastern Mountains and Piedmont: FACU
- Great Plains: FACU
- Midwest: FACU
- Northcentral & Northeast: FACU
Heliophily ⓘ: 7
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© Gary P. Fleming | Original Image ⭷
© Jeffrey S. Pippen | Original Image ⭷
© Sonnia Hill | Original Image ⭷
© Jeffrey S. Pippen | Original Image ⭷
© Jeffrey S. Pippen | Original Image ⭷
© Sonnia Hill | Original Image ⭷
© Keith Bradley | Original Image ⭷Feedback
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Horticultural Information
Intro: Erect perennial of rich bottomlands, streamsides and disturbed areas. Native of farther west in North America and cultivated in gardens for the edible tubers.
Stems: Stems branched occasionally above, light green to reddish-brown, rough-hairy.
Leaves: Leaves alternate above, sometimes opposite in middle to lower stems; on winged petioles (3/4-4 in. long); oval to broadly lance-shaped; 3-9 in. long; 3-veined; toothed; rough hairy above with very short grayish hairs beneath.
Inforescence:
Flowers: Composite flowers (heads) numerous in flat-topped clusters; heads 2-4 in. wide, consisting of 10-20 yellow ray florets encircling a center disk of yellow tubular florets. Overlapping, loosely ascending bracts surround the base of each head.
Fruits: Fruit a mottled light-and-dark-brown achene.
Comments:
Height: 3-11 ft.
plant sale text:
bloom table text:
description: Erect perennial of rich bottomlands, streamsides and disturbed areas. Native of farther west in North America and cultivated in gardens for the edible tubers.
stems: Stems branched occasionally above, light green to reddish-brown, rough-hairy.
leaves: Leaves alternate above, sometimes opposite in middle to lower stems; on winged petioles (3/4-4 in. long); oval to broadly lance-shaped; 3-9 in. long; 3-veined; toothed; rough hairy above with very short grayish hairs beneath.
inflorescence:
flowers: Composite flowers (heads) numerous in flat-topped clusters; heads 2-4 in. wide, consisting of 10-20 yellow ray florets encircling a center disk of yellow tubular florets. Overlapping, loosely ascending bracts surround the base of each head.
fruits: Fruit a mottled light-and-dark-brown achene.
comments:
cultural notes:
germination code:
native range:
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