Southern Umbrellawort

Tauschia arguta (Nutt.) F. Macbr. Contr. Gray-
Herb. 56: 32. 1918.
Deweya argula T. & G. Fl. N. Am. 1: 641. 1840. Liguslicum argutum Nutt.; T. & G. Fl. N. Am. 1: 641, as syn. 1840. Arracacia argula Benth. cSt Hook.; S. Wats. Bibl. Ind. 419. 1878. Velaea arguta Coult. & Rose, Rev. N. Am. Umbell. 120. 1888. Velaea arguta var. ternata Coult. & Rose, Bot. Gaz. 14: 282. 1889.
Short-caulescent from a long, inflated taproot, 3-7 dm. high, glabrous throughout; leaves oblong to ovate in general outline, excluding the petioles 8-16 cm. long, 5-10 cm. broad, pinnate or trifoliate by reduction, the leaflets oblong to oval, distinct, usually petiolulate, 3-8 cm. long, 2-5 cm. broad, finely to coarsely mucronateor spinulose-serrate and often with 1 or 2 lobes at the base; petioles 6-20 cm. long; peduncles 17-46 cm. long; involucre wanting; involucel of several linear to lanceolate, entire or lobed bractlets, 2-10 mm. long, shorter or longer than the flowers but shorter than the fruit; rays 12-25, unequal, 2-12 cm. long; pedicels 3-9 mm. long; calyx-teeth evident; flowers yellow; styles slender, spreading; carpophore 2-cleft to the base; fruit oblong, 6-9 mm. long, 3-5 mm. broad, the ribs very prominent, acute; oil-tubes 3-5 in the intervals, 4-6 on the commissure; seed-face deeply sulcate.
Type locality: "Woods of San Diego," California, ~Nutla.ll.
Distribution: Coastal southern California to Baja California (Elmer 393S, Jones 3027).

Tauschia arguta is a species of flowering plant in the carrot family known by the common name southern umbrellawort. It is native to the mountains of southern California and Baja California, where it grows in local habitat types such as woodlands and chaparral.