Definition of arum in US English:

arum

noun

  • A North American and European plant that has arrow-shaped leaves and a broad leafy spathe enclosing a club-shaped spadix, and that bears bright red berries in late summer.

    Arum, Arisaema, and other genera, family Araceae (the arum family): several species, including jack-in-the-pulpit, cuckoopint, and skunk cabbage. The arum family also contains a number of popular houseplants, such as philodendrons and calla lilies

    • ‘Many endangered species of plants, reptiles, mammals and birds live in these jungles, including the rhinoceros hornbill - a bird vital to the survival of the titan arums because it is very proficient at spreading the flower's seeds.’
    • ‘This, as in the dead-horse arum, helps volatilize what is (to us) a foul smell.’
    • ‘Though most plants are more or less at the mercy of the environment, a few such as the titan arum are able to generate heat.’
    • ‘The next day, the male florets mature, the flies pick up more pollen, the spines wither, and the flies are released to spread their pollen to other nefarious arums.’
    • ‘Konnyaku is a perennial plant of the arum family, said to be indigenous to India and Ceylon.’
    • ‘Thompson says the demand for dried flowers has grown, but the coloured arums - bronze, yellow and purple - are also very popular.’
    • ‘Green stream grass and arum tree roots covered the sides of the stream, which varied in width from 1-10m, with a soft, sandy bottom.’
    • ‘There are also a number of arums which grow as vines, such as Philodendron.’
    • ‘The specific epithet amorphophallus refers to the central spadix of the arum, and essentially means amorphous phallus, or shapeless penis.’
    • ‘It's a South American species, Xanthosoma robustum, that's related to the dead-horse arum, philodendron, and skunk cabbage.’
    • ‘The trait does show up in a few lineages of moderately recent origin, such as the arums, the palms, and a related family sometimes called the Panama-hat palms.’
    • ‘Its illustrations - detailed, accurate, and delightful - portray plants ranging from Aegyptian water lily to zebra-flowered arum, commonly known as jack-in-the-pulpit.’
    • ‘It's a Titan arum (amorphophallus titanium), and its flowering is one of the rarest events in botany.’
    • ‘Nonwoody plants in or near the water include arrow arum, bulltongue arrowhead, foxtail club moss, golden club, Jamaica swamp saw grass, pipewort, royal fern, tall pinebarren milkwort, and several kinds of sedges and rushes.’
    • ‘Among them are arrow arum, bull-tongue arrowhead, pickerelweed, water lettuce, white water lily, yellow water lily, and the invasive alligator weed.’
    • ‘A member of the arum family, the caladium is a tuberous - rooted, perennial, herbaceous plant, in leaf from May until late September.’
    • ‘It is a herbaceous perennial plant, where the leaves are glossy and flower heads are arum-shaped.’
    • ‘An excellent carnivorous plant room, a rather nice pond, and the magnificent titan arum - which was still looking pretty impressive when we were there (having flowered only a day or two earlier).’
    • ‘Plants do a great job of looking very phallic at this time of year, none more so than the skunk arums, in this case Lysichiton camtschatcense.’
    • ‘What makes these native arums so attractive are the thick spikes of fruits that follow the large white papery inflorescences.’

Origin

Late Middle English: from Latin, from Greek aron.

Pronunciation

arum

/ˈerəm//ˈɛrəm/