Didymoglossum bimarginatum

Hymenophyllaceae

Didymoglossum bimarginatum (Bosch) Ebihara & K.Iwats.

Link to Australian Plant Name Index for publication details and synonyms: https://id.biodiversity.org.au/name/apni/241946

Rhizome 0.1–0.2 mm diam., hairy; hairs dense, dark red, often gland-tipped. Stipe to 12 mm long. Lamina suborbicular to ovate or obovate, not peltate, 6–13 (–20) mm long, 1–8 mm wide, glabrous; base rounded or wedge-shaped; margins entire; apex broadly rounded, truncate or bifid, seldom with distinct lateral lobes longer than 2 mm. Venation pinnate; veins ending at a prominent submarginal false vein which is separated from the margin by a single row of cells; accessory false veins numerous, free between true veins, usually (5–) 8 (–10) per mm, rarely with more than 4 rows of laminal cells between the longer false veins. Sori 1–3 (–7) per frond, terminal, immersed; involucre ±trumpet-shaped, 1.5–2.5 mm long, 0.3–0.4 mm diam.; mouth dilated; receptacle long-exserted to 3 mm at maturity. 

NE and E QLD between McIlwraith Range and Eumundi region. Also widespread in Asia, Malesia and Pacific Islands.

Epiphytic or lithophytic in mesic lower to upper montane vine forest. Usually low on tree trunks.