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FNA | Family List | FNA Vol. 27 | Gigaspermaceae

1. Lorentziella Müller Hal., Linnaea. 42: 229. 1879.

[For Paul Günter Lorentz, 1835-1881, German bryologist]

Leaves imbricate distally, concave, broadly ovate to elliptic, abruptly narrowed to a long awn; costa narrow, extending to base of awn. Capsule immersed to slightly emergent, base truncate, operculum not differentiated.

Species 1 or 2 (1 in the flora): United States, s South America.

Lorentziella is a genus of minute, ephemeral mosses comprising one, or at most two, species. The perennial, subterranean stem or rhizome system gives rise to upright, above-ground plants in late fall-early winter. Above-ground plants are produced in abundance during mild, wet winters but less commonly when conditions are dry. The broadly concave leaves completely surround the globose, cleistocarpous capsules of immersed sporophytes. The glaucous, blue-green color of the above-ground plants is reminiscent of Bryum argenteum while their cabbage shape resembles a small Funaria gametophyte prior to elongation of seta.


Lawton, E. 1953. Lorentziella, a moss genus new to North America. Bull. Torrey Bot. Club 80: 279-288. Rushing, A. E. and J. A. Snider. 1980. Observations on sporophyte development in Lorentziella imbricata (Mitt.) Broth. J. Hattori Bot. Lab. 47: 35-44.

Lower Taxon


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