Blechnum durum (T.Moore) C.Chr.
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Blechnum durum (T.Moore) C.Chr., Index Filic. 153 (1905)
Blechnum durum (T.Moore) C.Chr.
Biostatus
Nomenclature
(T.Moore) C.Chr.
T.Moore
C.Chr.
1905
153
ICN
species
Blechnum durum
Classification
Synonyms
Descriptions
Blechnum durum (T.Moore) C.Chr.
Rhizome stout, ascending, sts produced into a short caudex, clad in brown linear-attenuate to ovate-lanceolate paleae up to 15 mm. long; stipites tufted. Stipes rigid, 2.5-5 cm. long, paleate in lower half, dark brown, ± pilose. Rhachis stout, prominent, deeply grooved above, ± pilose, bearing numerous pinnae. Sterile lamina coriac. to almost fleshy, oblong to lanceolate, dark green above, paler below, acute to acuminate, margins entire; veinlets mostly forked; lower and mid portion pinnate, upper pinnatifid; 15-40-(75) × 3-5-(10) cm. Pinnae sessile by widened base, approximate. Larger pinnae 2-4-(7) cm. × 4-6-(12) mm., narrow-oblong, obtuse to subacute, subfalcate; lower gradually decreasing in size. Fertile lamina 10-40 × 2-7 cm.; pinnae rather close-set, linear-oblong, rigid, obtuse, patent. Sori covering whole of undersurface.
Blechnum durum (T.Moore) C.Chr.
n = 28
2n = 66
Taxonomic concepts
Blechnum durum (T.Moore) C.Chr.
Blechnum durum (T.Moore) C.Chr.
Blechnum durum (T.Moore) C.Chr.
Blechnum durum (T.Moore) C.Chr.
Blechnum durum (T.Moore) C.Chr.
Blechnum durum (T.Moore) C.Chr.
Blechnum durum (T.Moore) C.Chr.
Blechnum durum (T.Moore) C.Chr.
Blechnum durum (T.Moore) C.Chr.
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Metadata
55de7362-27fc-4b78-8ec7-a0a7f9d10ad4
scientific name
Names_Plants
1 January 2000
22 September 2020