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NZ Plants
Treubia lacunosa
Family: Treubiaceae
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A thallus with a thickened central axis bearing two rows of large, lateral and rounded leaf-like lobes
L Jensen
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Thallus dorsal surface, at the base of each leaf-like lobe there is an erect lobule
L Jensen
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Lobule detail
L Jensen
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Oil cells in the tissue of a leaf-like lobe
L Jensen
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Gemmae
J Braggins
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Thallus ventral surface, rhizoids invested with mucus
L Jensen
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Lobule with a cluster of male antheridia covered with mucus.
J Braggins
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Sporophyte with basal calyptra surrounding a stalk (seta) with a terminal capsule.
J Braggins
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Treubia lacunosa consists of a prostrate fleshy and brittle axis with two lateral rows of large leaf-like lobes and smaller, erect lobules. It is up to 15 mm broad and about 4-9 cm in length. Hairs around sex organs and rhizoids are invested with a mucus. An interesting liverwort for its structural complexity. endophytic fungus and water-absorbing mucilage-secreting cells
Widespread in New Zealand in moist shaded areas on soil and rotten logs.