Diphasium C.Presl ex Rothm., Feddes Repert., 2018
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publication ID |
https://doi.org/ 10.11646/phytotaxa.334.3.7 |
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persistent identifier |
https://treatment.plazi.org/id/4D3587F4-FFE4-FF9D-FF20-FA87FA9AF95B |
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treatment provided by |
Felipe |
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scientific name |
Diphasium C.Presl ex Rothm., Feddes Repert. |
| status |
spec. nov. |
Diphasium C.Presl ex Rothm., Feddes Repert. View in CoL Spec. Nov. Regni Veg. 54: 64. 1951
= Lycopodium sect. Diphasium (C.Presl ex Rothm.) B.Øllg., Opera Bot. 92: 172. 1987.
In this genus, the sporophytes have subterranean or creeping to subscandent main stems; dorsiventral, anisophyllous branchlets with dimorphic leaves, two dorsolateral ranks of broad alternate leaves, and two or three ventral ranks of narrow membranous-tipped leaves; pedunculate or sessile strobili; subpeltate sporophylls; sporangial epidermal cells with sinuate, finely curled side walls; reticulate spores with large meshes and unornamented proximal faces; obconic gametophytes; and x = 34–36, ca. 90. The genus includes perhaps 5 species found in the Caribbean, Central America, Andes from Venezuela to Argentina and Chile, the Philippines, Australia, Tasmania, and New Zealand.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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Diphasium C.Presl ex Rothm., Feddes Repert.
| Øllgaard, Benjamin, Kessler, Michael & Smith, Alan R. 2018 |
Lycopodium sect. Diphasium (C.Presl ex Rothm.) B.Øllg., Opera Bot.
| Rothm. 1987: 172 |
Diphasium C.Presl ex
| Rothm. 1951: 64 |