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The Collaborative International Dictionary

Senecio \Se*ne"ci*o\, n. [L., groundsel, lit., an old man. So called in allusion to the hoary appearance of the pappus.] (Bot.) A very large genus of composite plants including the groundsel and the golden ragwort.


Ivy \I"vy\, n.; pl. Ivies. [AS. [=i]fig; akin to OHG. ebawi, ebah, G. epheu.] (Bot.) A plant of the genus Hedera ( Hedera helix), common in Europe. Its leaves are evergreen, dark, smooth, shining, and mostly five-pointed; the flowers yellowish and small; the berries black or yellow. The stem clings to walls and trees by rootlike fibers.

Direct The clasping ivy where to climb.

Ye myrtles brown, with ivy never sere.

American ivy. (Bot.) See Virginia creeper.

English ivy (Bot.), a popular name in America for the ivy proper ( Hedera helix).

German ivy (Bot.), a creeping plant, with smooth, succulent stems, and fleshy, light-green leaves; a species of Senecio ( Senecio scandens).

Ground ivy. (Bot.) Gill ( Nepeta Glechoma).

Ivy bush. (Bot.) See Mountain laurel, under Mountain.

Ivy owl (Zo["o]l.), the barn owl.

Ivy tod (Bot.), the ivy plant.

Japanese ivy (Bot.), a climbing plant ( Ampelopsis tricuspidata), closely related to the Virginia creeper.

Poison ivy (Bot.), an American woody creeper ( Rhus Toxicodendron), with trifoliate leaves, and greenish-white berries. It is exceedingly poisonous to the touch for most persons.

To pipe in an ivy leaf, to console one's self as best one can. [Obs.]

West Indian ivy, a climbing plant of the genus Marcgravia.


Senecio is a genus of the daisy family ( Asteraceae) that includes ragworts and groundsels. The scientific Latin genus name, Senecio, means "old man."

Variously circumscribed taxonomically, the genus Senecio is one of the largest genera of flowering plants, cleaved or not of species belonging to other genera. The traditional circumscription of Senecio is artificial, being polyphyletic, even in its new circumscription which is based on genetic data. Despite the separation of many species into other genera, the genus still contains species and is one of the largest genera of flowering plants. As no morphological synapomorphies are known to determine which species belong to the genus or not, no exact species numbers are known. The genus is nearly worldwide distributed and it evolved in the mid to late Miocene.

Some species produce natural biocides (especially alkaloids) to deter or even kill animals that would eat them.

Senecio species are used as food plants by the larvae of some Lepidoptera species — see list of Lepidoptera that feed on Senecio. Pyrrolizidine alkaloids have been found in Senecio nemorensis and in Senecio cannabifolius var. integrilifolius.

Usage examples of "senecio".

Potentilla fruticosa, Pratia repens, Primula vulgaris flore-pleno, Rudbeckia serotina, Salix reticulata, Saxifraga Fortunei, Sedum spectabile, Senecio pulcher, Statice latifolia, S.

Otherwise we would have had, on top of all the rest, Seneca and Senecio and Vestinus and Vatinius to keep straight.

The stretched skin of a kuda, the great antelope of the country, over the end of a hollowed senecio log.

This was an immense, hollowed senecio trunk with dried Kudu skin over its end.

In suitable cases the Senecio not only anticipates the period, but also increases the quantity: and where the monthly time has never been established the Ragwort is generally found useful.