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Asteraceae
Heterotheca

not marked as a favorite taxon Heterotheca subaxillaris (Lamarck) Britton & Rusby. Common name: Camphorweed. Phenology: Jul-Oct (-Jan). Habitat: Coastal dunes and sand-flats, roadsides, disturbed areas. Distribution: NJ, PA, IN, IL, SD, UT and CA south to FL, TX, and Mexico.

Glossary (beta!)

Origin/Endemic status: Native

Synonymy ⓘ: = C, F, Fl7, G, Il, K4, Mex, NcTx, NY, Pa, POWO, RAB, S, SE1, Tat, WH3, Nesom (2019e); > Heterotheca latifolia Buckley var. arkansana Wagenkn. — Tx; > Heterotheca latifolia Buckley var. latifolia — Tx, Semple (1996), Wagenknecht (1960); > Heterotheca latifolia Buckley var. macgregoris Wagenkn. — GrPl; > Heterotheca subaxillaris (Lam.) Britton & Rusby — Va, Semple (1996); > Heterotheca subaxillaris (Lam.) Britton & Rusby ssp. latifolia (Buckley) Semple — Ar, FNA20, Tn, Semple (2004); > Heterotheca subaxillaris (Lam.) Britton & Rusby ssp. subaxillaris — FNA20, Semple (2004); > Heterotheca subaxillaris (Lam.) Britton & Rusby var. latifolia (Buckley) Gandhi & R.D.Thomas — NE, Gandhi & Thomas (1989); > Heterotheca subaxillaris (Lam.) Britton & Rusby var. procumbens Wagenkn. — Tx; > Heterotheca subaxillaris (Lam.) Britton & Rusby var. subaxillaris — Tx, Gandhi & Thomas (1989), Wagenknecht (1960); Inula subaxillaris Lamarck. Basionym: Inula subaxillaris Lam. 1789

Links to other floras: > Heterotheca subaxillaris ssp. latifolia - FNA20; > Heterotheca subaxillaris ssp. subaxillaris - FNA20

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Heliophily ⓘ: 9

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image #1 of Heterotheca subaxillaris© Nathan Aaron, some rights reserved (CC BY), uploaded by Nathan Aaron source CC-BY | Original Image ⭷
image #2 of Heterotheca subaxillaris© Nathan Aaron, some rights reserved (CC BY), uploaded by Nathan Aaron source CC-BY | Original Image ⭷
image #3 of Heterotheca subaxillaris© John Gwaltney | Original Image ⭷
image #4 of Heterotheca subaxillaris© John Gwaltney | Original Image ⭷
image #5 of Heterotheca subaxillaris© Gary P. Fleming | Original Image ⭷
image #6 of Heterotheca subaxillaris© Michelle W. （鍾偉瑋）, some rights reserved (CC BY), uploaded by Michelle W. （鍾偉瑋） source CC-BY | Original Image ⭷
image #7 of Heterotheca subaxillaris© Alan Cressler: Heterotheca subaxillaris, Fall Line Sandhills Natural Area, Taylor County, Georgia 2 by Alan Cressler source
image #8 of Heterotheca subaxillarisno rights reserved, uploaded by Alan Weakley source CC0 | Original Image ⭷
image #9 of Heterotheca subaxillaris© Michelle W. （鍾偉瑋）, some rights reserved (CC BY), uploaded by Michelle W. （鍾偉瑋） source CC-BY | Original Image ⭷
image #10 of Heterotheca subaxillaris© Nathan Taylor, some rights reserved (CC BY-NC), uploaded by Nathan Taylor source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #11 of Heterotheca subaxillaris© Nathan Taylor, some rights reserved (CC BY-NC), uploaded by Nathan Taylor source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #12 of Heterotheca subaxillaris© Nathan Taylor, some rights reserved (CC BY-NC), uploaded by Nathan Taylor source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #13 of Heterotheca subaxillaris© John Gwaltney | Original Image ⭷
image #14 of Heterotheca subaxillaris© abelkinser, some rights reserved (CC BY-NC) source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #15 of Heterotheca subaxillarisno rights reserved, uploaded by Alan Weakley source CC0 | Original Image ⭷
image #16 of Heterotheca subaxillaris© Aidan Campos source | Original Image ⭷
image #17 of Heterotheca subaxillaris© Matt, some rights reserved (CC BY-NC), uploaded by Matt source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #18 of Heterotheca subaxillaris© Matt, some rights reserved (CC BY-NC), uploaded by Matt source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #19 of Heterotheca subaxillaris© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #20 of Heterotheca subaxillarisno rights reserved, uploaded by Alan Weakley source CC0 | Original Image ⭷
image #21 of Heterotheca subaxillaris© Joshua Doby, some rights reserved (CC BY-NC), uploaded by Joshua Doby source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #22 of Heterotheca subaxillaris© abelkinser, some rights reserved (CC BY-NC) source CC-BY-NC, permission granted to NCBG | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Erect to sprawling annual/biennial (occasionally short-lived perennial) of coastal dunes and sand flats.

Stems: Stems branched above, usually covered with long spreading hairs and stalked glands.

Leaves: Leaves alternate, sessile (clasping above), oval to oblong or lance-shaped, 3/4-3 1/2 in. long, coarsely toothed or entire, with scattered long hairs on margins, rough-hairy.

Inforescence:

Flowers: Composite flowers (heads) in diffusely branching terminal cluster; heads about 1 in. wide; consisting of 15-30 narrow, yellow ray florets encircling a central disk of many yellow tubular florets. Several series of densely hairy-glandular, green, narrow bracts surround the cup-shaped base of each head.

Fruits:

Comments:

Height: 2-6 1/2 ft.

plant sale text:

bloom table text:

description: Erect to sprawling annual/biennial (occasionally short-lived perennial) of coastal dunes and sand flats.

stems: Stems branched above, usually covered with long spreading hairs and stalked glands.

leaves: Leaves alternate, sessile (clasping above), oval to oblong or lance-shaped, 3/4-3 1/2 in. long, coarsely toothed or entire, with scattered long hairs on margins, rough-hairy.

inflorescence:

flowers: Composite flowers (heads) in diffusely branching terminal cluster; heads about 1 in. wide; consisting of 15-30 narrow, yellow ray florets encircling a central disk of many yellow tubular florets. Several series of densely hairy-glandular, green, narrow bracts surround the cup-shaped base of each head.

fruits:

comments:

cultural notes:

germination code:

native range: eastern to southwestern U.S. & Mexico



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