File Size: 96 KB
Asplenium platyneuron   (L. ) Britton, Sterns & Poggenburg
Cherokee County, Kansas
Height: 4-20 inches
Family: Polypodiaceae - True Fern Family
Flowering Period:   April, May, June, July, August, September
Culms: Short, thick rhizomes.
Leaves: Two forms, 2 to 20 inches long, once-pinnate, linear to narrowly oblanceolate in outline, base gradually tapered, tip pointed to nearly blunt; stalk purplish-brown to reddish-brown, stiff, shiny, glabrous, .4 to 4 inches long; sterile leaves 2 to 6 inches long, primary divisions (pinnae) up to 20 pairs, division segments short, 1/3 to 2/5 inch long, 1/8 to 1/4 inch wide, tips blunt; fertile leaves taller, more erect, to 20 inches, primary divisions up to 50 pairs; pairs mostly alternate; primary division segments oblong to quadrangular, 1/6 to 1.4 inches long, to 1/4 inch wide, smooth, leathery, veins conspicuous; margins nearly entire to narrowly or deeply toothed; tip pointed to blunt; base broader; auricles at base overlap rachis; sori elongated, borne on back of division segments, nearer mid-vein than margins; indusium attached along edge of sori.
Habitat: Shaded moist areas, woods, on rocks or wooded sandy banks and slopes, thickets, rocky ledges, hillsides; gravelly, slightly acidic, well-drained soils.
Distribution: East 1/2 of Kansas.
Origin: Native
Reproduction: Ferns are plants that reproduce by spores rather than by true flowers.
Comments: Drought tolerant. Not aggressive. Ebony spleenwort is the only North American fern occurring in South Africa. The common name ebony alludes to the dark leaf stalks.

Ebony spleenwort pinnae
48 KB
Cherokee County, Kansas
Ebony spleenwort sori
68 KB
Cherokee County, Kansas
Ebony spleenwort
144 KB
Cherokee County, Kansas
Ebony spleenwort
52 KB
Cherokee County, Kansas