Arnoglossum reniforme (Hooker) H. Robinson. Common name: Great Indian-plantain. Phenology: Jun-Oct. Habitat: Cove forests, floodplains, other mesic forests. Distribution: PA and MN, south to SC (Gaddy 2014), GA, MS, and OK.
ID notes: The very large, reniform leaves (sometimes up to 75 cm across) are conspicuous in rich cove forests.
Origin/Endemic status: Native
Synonymy ⓘ: = Ar, FNA20, Il, K4, Ok, Pa, Tn, Va, Anderson (1998), Barkley (1999); = Arnoglossum muehlenbergii (Fernald) H.Rob.; = Cacalia muhlenbergii (Sch.-Bip.) Fernald — C, F, G, Oh3, RAB, SE1, Tat, W, Harper (1905a), Pippen (1978); = Mesadenia reniformis (Hook.) Raf. — S. Basionym: Senecio atriplicifolius (L.) Hook. var. reniformis Hook. 1834
Links to other floras: = Arnoglossum reniforme - FNA20
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Heliophily ⓘ: 4
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© Gary P. Fleming | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
© John Gwaltney | Original Image ⭷
© John Gwaltney | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
© John Gwaltney | Original Image ⭷Feedback
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Horticultural Information
Intro: Coarse, erect perennial of cove forests, rich oak-hickory forests, northern hardwood forests and clearings at middle and high elevations.
Stems: Stems conspicuously 6- to 8-grooved, unbranched, sometimes red-tinged, smooth.
Leaves: Leaves alternate, petiolate, 2-10 in. long, green on both sides; lower leaves broadly kidney-shaped with widely notched base and round-toothed margins; upper leaves kidney- to oval-shaped, notched to nearly flat at the base, with sharply toothed margins.
Inforescence:
Flowers: Composite flowers (heads) in a many-branched, terminal cluster; heads greenish-white, to 1/4 in. wide, consisting of 5 tubular disk florets, each with 5 tightly curled corolla lobes, from which protrudes a split style encased in brown column of stamens. The cylindric base of the head is a tube composed of 5 whitish-green, oblong bracts.
Fruits: Fruit a dark brown to purple, oblong achene with tuft of white hairs.
Comments:
Height: 3-8 ft.
plant sale text:
bloom table text:
description: Coarse, erect perennial of cove forests, rich oak-hickory forests, northern hardwood forests and clearings at middle and high elevations.
stems: Stems conspicuously 6- to 8-grooved, unbranched, sometimes red-tinged, smooth.
leaves: Leaves alternate, petiolate, 2-10 in. long, green on both sides; lower leaves broadly kidney-shaped with widely notched base and round-toothed margins; upper leaves kidney- to oval-shaped, notched to nearly flat at the base, with sharply toothed margins.
inflorescence:
flowers: Composite flowers (heads) in a many-branched, terminal cluster; heads greenish-white, to 1/4 in. wide, consisting of 5 tubular disk florets, each with 5 tightly curled corolla lobes, from which protrudes a split style encased in brown column of stamens. The cylindric base of the head is a tube composed of 5 whitish-green, oblong bracts.
fruits: Fruit a dark brown to purple, oblong achene with tuft of white hairs.
comments:
cultural notes:
germination code:
native range: eastern United States
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