Trinia (trinia)

[NL. (Hoffman, 1814), named after Karl von Trinius (d. 1844), a botanist of St. Petersburg, and a writer upon gra es.] A genus of umbelliferous plants, of the tribe Ammineæ and subtribe Euammineæ. It is characterized by flowers with obsolete calyx-lobes, acute petals, and fruit with its ridges traversed by conspicuous oil-tubes. The 7 or 8 species are natives of the Mediterranean region and of temperate parts of Asia. They are smooth branching perennials with decompound leaves, and usually yellow diœcio us flowers in compound umbels, with few rays, and few or no bracts and bractlets. For T. vulgar is, see honewort.