Pteridium aquilinum var. esculentum (G.Forst.) Kuhn
Details
Pteridium aquilinum var. esculentum (G.Forst.) Kuhn, Chaetopt., 27 (1882)
Nomenclature
Kuhn
G.Forst.
(G.Forst.) Kuhn
1882
27
ICN
var.
Pteridium aquilinum var. esculentum
Classification
Descriptions
Pteridium aquilinum var. esculentum (G.Forst.) Kuhn
Rhizome stout, 5-15 mm. diam., much branched, subterranean; stipites distributed. Stipes 10-30-(50) cm. long, rigid, dark brown, shining, hairy when young. Rhachis stout, brown, hairy when young, with distant opp. to subopp. pinnae. Lamina 20-60-(100) cm. or more long; broadly deltoid to broadly ovate-oblong, coriac., dark green, ± hairy below and on costae and costules, 2-3-(4)-pinnate; veins free, mostly forked. Primary pinnae 5-20 × 2-10 cm., broad-ovate to deltoid, shortly stalked, subopp. to opp., often with single subbasal seg. Secondary pinnae alt., ovate-lanceolate: (a) lower up to 15 × 5 cm., very shortly stalked, pinnatisect to pinnate; segs linear, decurrent, up to 4 cm. long; main veins prominent, veinlets distinct. Upper with few segs to entire: (b) again distinctly pinnate; pinnules with a few basal lobes to entire, up to 2-4 cm. × 2-5 mm. Sori us. cop., continuous along margins of segs. Indusium inconspicuous.
Taxonomic concepts
Pteridium aquilinum var. esculentum (G.Forst.) Kuhn
Pteridium aquilinum var. esculentum (G.Forst.) Kuhn
Pteridium aquilinum var. esculentum (G.Forst.) Kuhn
Pteridium aquilinum var. esculentum (G.Forst.) Kuhn
Pteridium aquilinum var. esculentum (G.Forst.) Kuhn
Metadata
47000774-4ba4-46a3-9a82-ea50d3fecda6
scientific name
Names_Plants
1 January 2000
20 September 2017