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FNA | Family List | FNA Vol. 6 | Malvaceae | Callirhoe

1. Callirhoe digitata Nuttall, J. Acad. Nat. Sci. Philadelphia. 2: 181. 1821/1822.

Fringed or finger poppy mallow, finger wine cup Fringed or finger poppy mallow, finger wine cup

Plants perennial. Stems 1–4, erect, 5–20 dm, appearing glabrous, but often sparingly hairy, hairs simple, glaucous. Leaves: stipules caducous, subulate, 6–8 mm; petiole 12–30 cm; blade suborbiculate, cordate, or ovate, (3–)5–10-lobed, 3.5–15 × 6–20 cm, surfaces strigose, lobes linear to lanceolate. Inflorescences paniculate; involucellar bractlets absent. Flowers bisexual; calyx lobes valvate in bud, forming apiculate or acuminate point; petals reddish purple with white basal spot, 1.8–3.1 cm. Schizocarps 8–8.5 mm diam.; mericarps 10–20, 3.5–4.5 × 2–3 mm, glabrous, indehiscent; beaks not prominent, 0.5–1.7 mm; collars absent or very weakly developed. 2n = 28.

Flowering spring–late summer. Limestone and dolomitic glades, bald knobs, barrens, rocky prairies, open, cherty woodlands; 200–500 m; Ark., Kans., Mo., Okla.

Callirhoe digitata occurs in the Ozark Plateaus, Ouachita Mountains, and adjacent Cherokee Plains. A collection made north of the Missouri River along a railroad right-of-way is clearly adventive.


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