Bot. [mod.L.: see UMBELLIFEROUS a.] A plant belonging to the natural order Umbelliferæ, having umbellate flowers.
1718. Ozell, trans. Tourneforts Voy., II. vi. 214. It is an Umbellifer, to speak like a Botanist, the Root whereof goes a foot and a half down.
1727. Bailey (vol. II.), Umbellifer, signifies a Plant that bears many Flowers, disposd somewhat like an Umbrella, growing upon many Foot-stalks proceeding from the same Center.
1846. Lindley, Veg. Kingd., 773. If Botanists form their ideas of an Umbellifer from the ordinary appearance of such plants in Europe.
1861. S. Thomson, Wild Fl., II. (ed. 4), 120. The blossoms of umbellifers vary.
1872. Oliver, Elem. Bot., II. 183. So many species are dangerous, that Umbellifers generally are regarded as suspicious.