Equisetum giganteum

Kessler, Michael & Smith, Alan R., 2017, Prodromus of a fern flora for Bolivia. VII. Equisetaceae, Phytotaxa 327 (1), pp. 97-99 : 98

publication ID

https://doi.org/ 10.11646/phytotaxa.327.1.6

persistent identifier

https://treatment.plazi.org/id/03D987FC-1B67-FF9A-FF49-FCC531B2FB68

treatment provided by

Felipe

scientific name

Equisetum giganteum
status

 

Equisetum giganteum View in CoL L., Syst. Nat. (ed. 10) 2: 1318. 1759.

Equisetum bolivianum Gandoger, Bull. Soc. Bot. View in CoL France 66: 304. 1920.

Range:— Greater Antilles; Honduras to Chile, Argentina, and Uruguay. In Bolivia, found in CH, CO, LP, SC, and TA.

Ecology:— Locally common to dominant; aquatic and terrestrial in wetlands, sloughs, on the banks of streams, in irrigation ditches, and along rivers, both in humid and in arid intermontane regions, also occasionally on open soil of landslides; to 3500 m.

Notes:— Equisetum myriochaetum Schltdl. & Cham. , from Mexico to Peru, may occur in Bolivia. It differs from E. giganteum by having the stomata (best seen in main stem) in one straight line on each side of the ridges (i.e., in 2 lines in each groove vs. 3–4 lines on each side of the ridges, i.e., to 8 lines in each groove in E. giganteum ) and ridges of the branches also with elongate saw-teeth (vs. only with flat-topped, often isodiametic tubercles). Equisetum × schaffneri Milde is the putative hybrid between E. giganteum and E. myriochaetum . It has characters intermediate between both species and may also occur in Bolivia. It produces only malformed, presumably non-viable spores but may outcompete its parents locally due to hybrid vigor.

Kingdom

Plantae

Phylum

Tracheophyta

Class

Polypodiopsida

Order

Equisetales

Family

Equisetaceae

Genus

Equisetum

Loc

Equisetum giganteum

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

Equisetum bolivianum Gandoger, Bull. Soc. Bot.

Gandoger 1920: 304
1920
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