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Cephalomanes atrovirens C.Presl
Family Hymenophyllaceae
Cephalomanes atrovirens C.Presl APNI*

Synonyms: Cephalomanes atrovirens subsp. atrovirens C.Presl APNI*

Description: Terrestrial. Rhizome erect, 1–1.5 mm diam.; roots clustered, stilt-like.

Fronds 13–28 cm long, ┬▒erect. Stipes tufted, 1–4.5 cm long, not winged; hairs scattered, spreading, dark red. Lamina narrowly elliptic to oblong, 1-pinnate, 10–25 cm long, 2–4 cm wide; herbaceous to almost coriaceous; dark green; rachis narrowly winged except at the base, glabrous above, densely covered beneath with crisped dark red hairs similar to those on the stipe. Pinnae overlapping, asymmetric, shortly stalked, narrowly oblong to oblong, 1–2 cm long; base unequally cuneate; basiscopic part of pinnae much-reduced with the margin bearing long upwardly-curved teeth; acroscopic and distal margins deeply and narrowly toothed; apex broadly rounded; veins free, pinnate; lateral veins forked, projecting into the marginal teeth, raised beneath; hairs appressed, glandular.

Sori 1–6, confined to acroscopic pinna margin; involucre tubular, 1–2 mm long; base narrowly cuneate; apex slightly dilated; receptacle long-exserted to 6 mm beyond the mouth.

Distribution and occurrence: Occurs in north-eastern Qld (possibly also north-eastern N.S.W., fide M.D.Tindale Contr. New South Wales Natl. Herb., Fl. Ser. 201: 4, 45, 1963), Lord Howe Is. (rare, no recent records seen); also Philippines, New Guinea, Solomon Is. and Vanuatu.

Terrestrial in tropical and subtropical rainforests, often near creeks.
NSW subdivisions: ?LHI
Other Australian states: Qld
AVH map***

Text by E.A. Brown
Taxon concept: Flora of Australia 48

APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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