Braithwaitea sulcata (Hook.) A.Jaeger

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Specimens

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Description

Plants glossy. Fronds ovate-oblong, to c. 8 cm long; branch apices rounded. Stems to c. 6.5 cm long, defoliate below. Stem leaves 2.5–4.5 mm long, loosely appressed; apex acute to long-acuminate; alar cells quadrate to rectangular, forming a small group. Branch leaves imbricate when dry, erecto-patent when moist, 1.5–2.0 mm long; apex obtuse to truncate or emarginate, short-mucronate; margin serrate to dentate near the leaf apex; mid-leaf cells 25–85 µm long. Gemmae to 0.6 mm long, consisting of a single row of quadrate cells.

Seta 8–18 mm long. Capsules almost smooth to sulcate, 3.0–5.5 mm long.

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Chromosome Numbers

n = 10, fide H.P.Ramsay, Mem. New York Bot. Gard. 45: 143 (1987).

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Habitat and Distribution

Occurs in eastern Queensland, New South Wales, and Victoria, but has been collected most frequently in south-eastern Queensland and north-eastern New South Wales. Widespread in New Zealand (but almost restricted to North Island); probably rare in Lord Howe Island and New Caledonia.

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Usually in rainforest, where it grows on tree trunks, branches and, occasionally, on rocks.

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Nomenclature And Typification

Leskea sulcata Hook., Musci Exot. t. 164 (1819); Hypnum sulcatum (Hook.) G.A.W.Arnott, Disp. Méth. Mousses 59 (1825); Climacium sulcatum (Hook.) Brid., Bryol. Univ. 2: 274 (1827); Neckera sulcata (Hook.) Müll.Hal., Syn. Musc. Frond. 2: 122 (1850); Isothecium sulcatum (Hook.) Wilson, in J.D. Hooker, Fl. Nov.-Zel. 2: 104 (1854); Braithwaitea sulcata (Hook.) A.Jaeger, in A.Jaeger & F.W.Sauerbeck, Ber. Thätigk. St. Gallischen Naturwiss. Ges. 1876–77: 299 (1878); Dendro-Leskea sulcata (Hook.) Hampe, in F.Mueller, Fragm. 11, Suppl. 50 (1881); Pterobryon sulcatum (Hook.) Mitt., Trans. & Proc. Roy. Soc. Victoria 19: 82 (1882). Type: Port Jackson, N.S.W., R.Brown s.n.; holo: BM.

Taxonomic synonyms

Pilotrichum nematosum Müll.Hal., Bot. Zeitung (Berlin) 22: 373 (1864); Braithwaitea nematosa (Müll.Hal.) A.Jaeger, in A.Jaeger & F.W.Sauerbeck, Ber. Thätigk. St. Gallischen Naturwiss. Ges. 1876–77: 299 (1878). T: Ash Island, [Newcastle,] N.S.W., H.Scott s.n.; holo: ?B n.v. (destroyed); lecto: NY, fide A.Touw, op. cit. 339.

Pterobryopsis filigera Broth. & Watts, Proc. Linn. Soc. New South Wales 43: 558 (1918). T: Malanda, Qld, W.W.Watts 549; lecto: H, fide A.Touw, op. cit. 341; Ravenshoe, Qld, W.W.Watts 605a; syn: n.v.

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Representative Herbarium Specimens

Qld: crest of ridge to Mt Dryander, 15 km N of Proserpine, R.J.Henderson et al. H2200 (L, MO).

N.S.W.: Richmond Range State Forest, 30 km NW of Kyogle, H.Streimann 7035 (L).

Vic.: Tarwin, Jan. 1883, Manton s.n. (MEL).

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Notes

Sporophytes have often been collected in Australia, but they appear to be rare elsewhere. On the other hand, gemmae are abundant in New Zealand, but are absent or very scarce among Australian plants.

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Illustrations

A.Touw, Blumea 340, fig. 42 (1971).

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Source

A.Touw (2012), Australian Mosses Online 21. Braithwaiteaceae. Australian Biological Resources Study, Canberra. Version 11 May 2012. http://www.anbg.gov.au/abrs/Mosses_online/21_Braithwaiteaceae.html

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© Copyright Commonwealth of Australia, 2023
Last updated: Unknown; Feb 29, 2024 12:43 Status: Partial

Author - Andries Touw

Editor(s) - Pat M. McCarthy (2012)

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Cite this profile as: Andries Touw (2024) Braithwaitea sulcata. In: Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water, Canberra. https://profiles.ala.org.au/opus/boa/profile/Braithwaitea%20sulcata [Date Accessed: 06 April 2025]