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*Youngia japonica (Linnaeus) A.P. de Candolle. Asiatic Hawk’s-beard, Youngia. Phen: Dec-Jun. Hab: Flowerbeds, suburban woodlands, roadsides, disturbed areas, trail edges, hammocks, rocky woodlands, floodplains. Dist: Native of se. Asia. Kelley (2021b) reported distribution records in OK. Spreading rapidly in our area, and now moving into minimally-disturbed natural areas.

Origin/Endemic status: E. and se. Asia

Synonymy : = Bah, K4, Urbatsch, Pruski, & Neubig (2013); = n/a – Pa, Tat; = Youngia japonica (L.) DC. ssp. japonica; < Crepis japonica (L.) Benth. – F, G, RAB, S; < Youngia japonica (L.) DC. – Ar, C, Fl7, FNA19, Il, K1, K3, NcTx, SE1, Tn, Va, WH3

Links to other floras: < Youngia japonica - FNA19

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACU (taxonomic split from wetland indicator species)
  • Eastern Mountains and Piedmont: FACU (taxonomic split from wetland indicator species)
  • Great Plains: FACU (taxonomic split from wetland indicator species)
  • Midwest: FACU (taxonomic split from wetland indicator species)
  • Northcentral & Northeast: FACU (taxonomic split from wetland indicator species)

Heliophily : 5

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image of plant© Keith Bradley | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Scott Ward, some rights reserved (CC BY), uploaded by Scott Ward source CC-BY | Original Image ⭷
image of plant© Lowell Urbatsch | Original Image ⭷
image of plant© Bruce Sorrie | Original Image ⭷
image of plant© Joey Shaw source | Original Image ⭷
image of plant© Bruce Sorrie | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Scott Ward, some rights reserved (CC BY), uploaded by Scott Ward source CC-BY | Original Image ⭷
image of plant© Scott Ward, some rights reserved (CC BY), uploaded by Scott Ward source CC-BY | Original Image ⭷
image of plant© Scott Ward, some rights reserved (CC BY), uploaded by Scott Ward source CC-BY | Original Image ⭷
image of plant© Scott Ward, some rights reserved (CC BY), uploaded by Scott Ward source CC-BY | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Tap-rooted annual found on trail edges, roadsides, clearings, and other disturbed, open or shaded habitats. Native of southeast Asia,

Stems: Stems 1-several from a basal rosette, may be reddish-purple-tinged, hairy below and smoother above.

Leaves: Leaves mostly basal; petiolate; oblong-lance-shaped; 2-5 in. long; divided into very irregular, quasi-pinnate segments with jagged edges; pale green with reddish-purple tints; densely hairy, the hairs often brownish and crinkled.

Inforescence:

Flowers: Composite flowers (heads) in small branching cluster at stem top, the closed heads fig-shaped; heads bright yellow, about 1/3 in. wide, consisting of 10-20 ray florets with squared-off, 5-toothed tips. A series of narrow, green bracts with fleshy midribs surrounds the cylindric base of each head.

Fruits:

Comments: This species is spreading rapidly in our area, recently moving into minimally disturbed natural areas.

Height: 4-28 in.

plant sale text:

bloom table text:

description: Tap-rooted annual found on trail edges, roadsides, clearings, and other disturbed, open or shaded habitats. Native of southeast Asia,

stems: Stems 1-several from a basal rosette, may be reddish-purple-tinged, hairy below and smoother above.

leaves: Leaves mostly basal; petiolate; oblong-lance-shaped; 2-5 in. long; divided into very irregular, quasi-pinnate segments with jagged edges; pale green with reddish-purple tints; densely hairy, the hairs often brownish and crinkled.

inflorescence:

flowers: Composite flowers (heads) in small branching cluster at stem top, the closed heads fig-shaped; heads bright yellow, about 1/3 in. wide, consisting of 10-20 ray florets with squared-off, 5-toothed tips. A series of narrow, green bracts with fleshy midribs surrounds the cylindric base of each head.

fruits:

comments: This species is spreading rapidly in our area, recently moving into minimally disturbed natural areas.

cultural notes:

germination code:

native range: southeastern Asia