Onoclea


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Onoclea

 

a genus of ferns of the family Aspidiaceae. There is a single species, the sensitive fern (O. sensibilis), which is distributed in Asia and North America. In the USSR it grows in Transbaikalia, along the Amur River, in the Primor’e, in southern Sakhalin, and on the Kuril Islands. The sensitive fern is a low herbaceous plant. It has a horizontal rhizome, several sterile pinnatifid fronds, and a single bipinnate frond that bears the sporangia. The sensitive fern grows in clusters in meadows, in mossy marshes, along rivers, and in mixed forests. It is cultivated as an ornamental.

References in periodicals archive ?
Twenty characters separated Onoclea (the outgroup) from the study group.
intermedium is situated almost equally distant from Onoclea sensibilis (Gastony and Ungerer: 49 steps, this study: 37 steps) and the clade containing M.
General considerations and a study of Onoclea sensibilis L.
Sexual development of Onoclea sensibilis o agar and soil media without the addition of antheridiogen.
This event, which is critical to the continued development of the gametophyte, is inhibited in Onoclea sensibilis by several microtubule inhibitors, including colchicine (Vogelmann et al.
37, 1 Nymphaea odorata -- -- -- Nyssa sylvatica -- -- -- Onoclea sensibilis -- -- -- Osmunda cinnamomea -- -- -- Osmunda regalis -- 7, 1.
Ferns in the mesic woods include Adiantum pedatum, Athyrium pycnocarpon, Botrychium virginianum, Cystopteris protrusa, Dryopteris goldiana, Dryopteris carthusiana, Onoclea sensibilis, and Polystichum acrostichoides (rare).