rostrate

[ ros-treyt ]

Phonetic (Standard)IPA

adjective

rostrate

/ ˈrɒsˌtreɪt /

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1350–1400; < Latin rōstrātus having a beak, curved at the end, equivalent to rōstr ( um ) rostrum + -ātus -ate ¹

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Valve lanceolate, with produced or rostrate apices; pseudo-nodule wide, excentric.

Valve linear with rostrate apices; cost robust; stri delicate, 20 in 10 .

Valve lanceolate, rostrate; granules in longitudinal and nearly transverse, not radiating, lines.

Valve linear-lanceolate with produced rostrate apices, asymmetrical, sigmoid; pseudoraphe narrow; pseudo-nodule large.

Valves oblong-lanceolate, with rostrate ends, sometimes slightly constricted in the middle.

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