The sinuate gills are pale and often yellowish, becoming pink as the spores develop.
From the en.wikipedia.org
The crowded gills are sinuate and white to cream in colour initially, brownish-cream or pinkish brown in maturity, and sometimes with yellow or rust-coloured marks close to the margins.
From the en.wikipedia.org
During the environmental impact assessment for Missions Hills, they found several rare plant species, including Ottelia cordata and Aportea sinuate, that are not found anywhere else on Hainan.
From the guardian.co.uk
More examples
Curved or curving in and out; "wiggly lines"
Having a strongly waved margin alternately concave and convex
To advance in wavy or curvy manner, to bend, to curve, to wind in and out; Sinuous; Having wavy indentation on its border or edge; Roughly the same height for most of its length, becoming much shallower and then curving back towards the stem before reaching the attachment point
Referring to a type of gill attachment, specifically gills that are notched at their point of attachment to the stipe.
With deep wave-like depressions along the margin; of a lamella, where the lamella is notched at the proximal end at the junction with the stipe.
Usually used to describe structures such as leaf margins with a number of regular curved indentations or small lobes. Not to be confused with undulate.
With deep wave-like indentations in a horizontal plane along the margin. cf. repand
Of a PALLIAL LINE when a SINUS is present.
The gills join the stem to a part depth of the gill (as with adnexed) but then curved down (as with decurrent) just before joining the stem. Appears as a small notch in the gills just before the stem.