Argyrochosma flava (Hook.) M.Kessler & A.R.Sm.

Kessler, Michael, Smith, Alan R. & Prado, Jefferson, 2017, Prodromus of a fern flora for Bolivia. XXVII. Pteridaceae, Phytotaxa 332 (3), pp. 201-250 : 206

publication ID

https://doi.org/ 10.11646/phytotaxa.332.3.1

persistent identifier

https://treatment.plazi.org/id/038F87DD-FFE9-792A-FF49-FCE9FA26FB3F

treatment provided by

Felipe

scientific name

Argyrochosma flava (Hook.) M.Kessler & A.R.Sm.
status

 

Argyrochosma flava (Hook.) M.Kessler & A.R.Sm. View in CoL , stat. & comb. nov.

= Notholena nivea (Poir.) Desv. var. flava Hook., Sp. Fil. 5: 112. 1864.

= Argyrochosma nivea (Poir.) Desv. var. flava (Hook.) View in CoL Ponce, Hickenia 2(38): 177. 1996.

Range: —Andes from Colombia to Bolivia ( CH, CO, LP, OR, PO, SC, TA) and central Argentina; central Brazil.

Ecology: —Common; terrestrial in arid intermontane valleys, mostly in open areas among rocks or in steep rocky walls; 800–4200 m.

Notes: —Blades 3-pinnate; ultimate segments yellow-farinose abaxially, suborbicular to broadly elliptic; rhizome scales not crispate. This species and A. tenera are often treated as varieties of A. nivea , but they differ consistently in characters of blade dissection, farina color, and rhizome scale margins. They have different, but overlapping ranges; when growing sympatrically (sometimes all three side-by-side), they maintain their differences. Argyrochosma flava appears to be a sexual diploid, n = 27, based on spore size and number of spores per sporangium ( Sigel et al. 2011).

Kingdom

Plantae

Phylum

Tracheophyta

Class

Polypodiopsida

Order

Polypodiales

Family

Pteridaceae

Genus

Argyrochosma

Loc

Argyrochosma flava (Hook.) M.Kessler & A.R.Sm.

Kessler, Michael, Smith, Alan R. & Prado, Jefferson 2017
2017
Loc

Argyrochosma nivea (Poir.) Desv. var. flava (Hook.)

Ponce 1996: 177
1996
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