Tauschia alpina (Coult. & Rose) Mathias

Tauschia alpina (Coult. & Rose) Mathias, Ann. Mo. Bot
Gard. 17: 269. 1930.
Uusineon alpinum Coult. & Rose, Bot. Gaz. 20: 260. 1895.
Acaulescent, decumbent or ascending from a woody caudex, 5-10 cm. high, the foliage pubescent and the inflorescence puberulent; leaves oblong-oval in general outline, excluding the petioles 1.5-3 cm. long, 5-15 mm. broad, pinnate, the leaflets ovate, obtuse to acute, 3-6 mm. long, 3-5 mm. broad, deeply incised or lobed, the divisions short, linear-oblong, callous-tipped, the margins reflexed, the rachis pilose at the nodes; petioles 1 .5-3 cm. long; peduncles stout, 4-7 cm. long, pilose at the apex; involucre wanting; involucel of several linear, entire bractlets, 3-4 mm. long, exceeding the flowers but shorter than the fruit; fertile rays 3-6, stout, unequal, 3-5 mm. long; pedicels 1-4 mm. long; calyx-teeth minute; flowers white, the anthers purple; styles long, flat and tape-like, recurved; carpophore 2-cleft to the base, the halves approximate to the tip; fruit oblong-oval, tapering slightly at the apex, 3-4 mm. long, 2-5 mm. broad, the mericarps purplish at the apex, the ribs filiform but evident; oil-tubes small, 2 or 3 in the intervals, 4-6 on the commissure; seed channeled under the intervals, the face deeply concave.
Type locality: "Cold summit slopes," Nevada de Toluca, Mexico, Pringle 4247. Distribution: High mountains of Vera Cruz, Mexico, and Tlaxcala {Purpus 252).