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stipule

stipule
Noun
pl: stipules

This term is a specialized botanical descriptor used primarily in scientific and academic contexts to identify specific anatomical structures of plants. It carries a neutral, descriptive tone and is rarely encountered in casual conversation, appearing instead in field guides, textbooks, and taxonomic descriptions.

Because it refers to a distinct physical organ of a plant, it follows standard English countability rules. It is a discrete entity that can be counted individually on a stem, meaning it does not require partitive constructions like those used for mass nouns.

Meanings

Nounstipule

A small leaf-like appendage found at the base of a leaf stalk where it attaches to the stem.

The rose plant has small, green stipules at the base of each petiole.

Examples

The botanist pointed to the tiny stipule at the base of the leaf.

School Life

Do these species have a stipule or are they exstipulate?

Do these species have a stipule or are they exstipulate?

School Life

A pair of stipules protects the developing bud.

A pair of stipules protects the developing bud.

I wonder if this plant has a stipule.

I wonder if this plant has a stipule.

The stipule on this specimen is unusually large and leaf-like.

School Life

Some plants possess a stipule that eventually falls off.

Some plants possess a stipule that eventually falls off.

Look closely at the stem to find the stipule.

Look closely at the stem to find the stipule.

The presence of a stipule is a key identifying feature for this genus.

The presence of a stipule is a key identifying feature for this genus.

Trivia

These stipules are fused together to form a sheath around the stem.

These stipules are fused together to form a sheath around the stem.

Related Words

Última actualización: May 2026Reportar un error