Definition

Noun: 1. A perennial woodland plant: Arum maculatum is a species of flowering plant in the family Araceae, native to Europe. It is characterized by a distinctive flower structure consisting of a pale green to purple, hood-like spathe surrounding a short, club-shaped spadix. Its leaves are often arrow-shaped and may have dark spots. It emerges in early spring and produces a cluster of bright red berries in late summer. The plant's rhizome is a source of a starch historically known as "arum" or "portland arrowroot."

Usage Examples

• Noun:
  • The forest floor was dotted with the early spring growth of Arum maculatum.
  • Botanists study Arum maculatum for its unique pollination strategy, which involves trapping insects temporarily.
  • All parts of Arum maculatum are poisonous if ingested raw due to the presence of calcium oxalate crystals.

Advanced Usage

• In botanical contexts: The name is used in its full binomial form () to specify the exact species within the genus . It is often discussed in relation to its morphology, ecology, or toxicology.
  • The study compared the thermogenic properties of Arum maculatum with those of other aroids.

Variants and Related Words

• Common Names: lords-and-ladies, cuckoo-pint, jack-in-the-pulpit (Note: "jack-in-the-pulpit" more commonly refers to in North America).
• Arum (n): The genus to which this plant belongs, also used as a common name for related species.
• Portland arrowroot (n): A historical name for the starch extracted from the rhizome of .

Synonyms

• lords-and-ladies (n): The most widespread common name for this plant in the UK.
• cuckoo-pint (n): Another traditional common name.

Notes on Meaning

• Primary Meaning: Refers specifically to this European plant species. It is not a general term.
• Caution: The plant is frequently noted for its toxicity. While the processed starch was once used, the fresh plant is dangerous and should not be handled or consumed without proper expertise.

Noun

1. common European arum with lanceolate spathe and short purple spadix; emerges in early spring; source of a starch called arum