Texas Umbrella Wort

Tauschia texana A. Gray, Bost. Jour. Nat. Hist. 6: 211. 1850
Museniopsis texana Coult. & Rose, Rev. N. Am. Umbel!. 123. 1888. Velaea texana Drude in E. & P. Nat. Pfl. 3»: 169. 1898.
Acaulescent, decumbent or erect, 1-4 dm. high, glabrous throughout; leaves oblong in general outline, excluding the petioles 10-15 cm. long, 2-4 cm. broad, pinnate, the leaflets ovate, distinct, sessile to petiolulate, 7-15 mm. long, 5 mm. broad, the larger pinnately parted or lobed, the divisions cuneate; petioles 5-10 cm. long; peduncles 1-4 dm. long; involucre wanting, or of a single foliaceous bract ; involucel of several linear to lanceolate, connate bractlets, shorter than the flowers and fruit; fertile rays 5-S, unequal, 5-25 mm. long; pedicels 1-2 mm. long; calyx-teeth minute; flowers yellow; styles slender, spreading; carpophore 2-cleft about one-half of its length; fruit oval, 3-4 mm. long, 2-3 mm. broad, the ribs filiform; oil-tubes 3 or 4 in the intervals, 4 on the commissure; seedface deeply sulcate.
Type locality: "Western Texas, near Austin," Wright. Distribution: Texas (Bush 465, Palmer 4S42).