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Trillium pusillum Michaux var. ozarkanum (E.J. Palmer & Steyermark) Steyermark. Subgenus: Delostylis. Ozark Least Trillium. Phen: Apr-May. Hab: Dry to dry-mesic slopes, in NC under Quercus coccinea and Kalmia latifolia. Dist: Centered in the Ozarks of sw. MO, nw. AR, and e. OK; disjunct eastward at scattered localities in sc. KY, nc. TN, sw. NC, and s. MS.

Origin/Endemic status: Endemic

Other Comments: Petals white to pink.

Synonymy ⓘ: = K1, K3, K4, Mo1, Case & Case (1997); = Trillium ozarkanum E.J.Palmer & Steyerm. – Ar; < Trillium pusillum Michx. – G, RAB, S, S13, Tn, Patrick (1986), Timmerman-Erskine, Dute, & Boyd (2002); < Trillium pusillum Michx. var. pusillum – F, FNA26

Links to other floras: < Trillium pusillum var. pusillum - FNA26

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW (taxonomic split from wetland indicator species)
  • Eastern Mountains and Piedmont: FACW (taxonomic split from wetland indicator species)

Heliophily ⓘ: 4

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image of plant© Alan M. Cressler | Original Image ⭷
image of plant© Alan M. Cressler | Original Image ⭷
image of plant© Alan M. Cressler | Original Image ⭷

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