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earlike shape (with covering removed), 4-5 mm long; very short, blunt beak; indented along margin and face; coiled embryo...
elliptic in outline, lenticular in cross section, body ~5 mm long; 2-3 marginal spines; body more elongate than C. echina...
broadly elliptic, 1 mm long; longitudinally ridged; both ends (hilum and chalazal) are conspicuos
earlike shape (with covering removed), 2-4 mm long; short beaked; indented along margin and face; coiled embryo
earlike shape (with covering removed), 2-4 mm long; short beaked; indented along margin and face; coiled embryo
ear shaped to reniform, 1-1.5 mm long, shape similar to Potamogeton; short, thin, straight beak sometimes present
fragile, dark stem; foliar scars alternate, formed from basal remains leaves; leaves acuminate (tapering to a point) tran...
subfossil embryo; ear-shaped; small size suggests that embryo is immature; connections to outer covering visible in image...
subfossil fruit; ear-shaped; small size suggests that embryo is immature
