A perennial herb, with many erect annual stems, 10-12 in. high, arising from a woody rootstock; stems rather slender 1/2-1 lin. thick, very minutely puberulous, with a 3-4-rayed umbel at its apex and several axillary rays below, forming a subcorymbose panicle; leaves alternate, with a whorl of 3-4 at the base of the umbel, numerous but not crowded, very spreading or slightly deflexed, those at the upper part of the stem 2/3-3/4 in. long and 3 1/2-4 lin. broad, the others gradually decreasing in size downwards, all elongate-ovate, acute, slightly cordate at the very shortly petiolate or subsessile base, glabrous on both sides, with the midrib not very conspicuous and the veins obsolete; rays of the umbel 2-4 in. long and those below the umbel as long or shorter, all once-forked, slender, glabrous; bracts 3-5 lin. long, 4-7 lin. broad, sessile, broadly triangular-cordate, abruptly very acute, glabrous; involucres sessile, 1 3/4 lin. in diam., cup shaped, glabrous, with 4 glands and 5 oblong or ovate obtuse minutely ciliate lobes; glands 3/4-1 lin. in their greater diam., including the short horns at the ends of the somewhat crescent-shaped body, probably yellow or yellowish-green; ovary glabrous, exserted on a recurved pedicel 3/4 lin. beyond the involucre; styles united at the very base only, 1/2 lin. long, very spreading, deeply bifid, with diverging recurved tips; fruit and seeds not seen.
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