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Dissections:
Secale cereale

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SECALE L. Rye
Plants hermaphroditic, caespitose, (or solitary) annual. Culms erect, or ascending, glabrous or scabrous; internodes hollow, terete. Leaves cauline, not distinctly distichous; sheaths terete, margins open; auricles present; ligules membranous; blades flat or involute, linear, lax. Spikes bilateral, (distichous and laterally compressed) rachis disarticulating or persistent. Spikelets solitary at inflorescence nodes, ascending, laterally compressed, not disarticulating in domestic material, awned, sessile; florets 3-4, reduced floret at apex or absent, callus glabrous, rachilla not extending beyond upper floret; glumes 2, 1-veined, opposite relative to floret position, equal or unequal, subulate, shorter than first floret, awned; lemmas 5-veined, chartaceous, scabrous, apex entire and tapering to an awn (1); awn apical, straight; paleas 2-veined, awnless. Stamens 3; anthers yellow. Caryopses dorsiventrally compressed. Base chromosome number x=7.

An Old World genus of about five species. Commonly weedy species of open grassland habitats. The cereal crop rye (S. cereale) is part of this genus.