Lagoecia cuminoides L. it is an erect annual herb, up to 45 cm tall, unbranched or corymbosely branched above, glabrous with striate, solid stem. Leaves with basal patiolar sheath, 5-10 mm long, thin and whitish, nearly sessile, linear-oblong to narrowly elliptic in outline, (2-) 3-15 (-18) x (0.3-)0.5-1.5 cm, 1-pinnatisect in to 7-20 pairs of alternate or sub opposite, broadly ovate, 2-10 x 2-8 mm, sessile, deeply aristate-dentate, marginally cartilaginous-scabrid, glabrous segments or leaflets. Umbels many-rayed, globose, 10-20 mm across, nodding in bud condition, on 5-20 mm long. terminal and lateral, slender peduncles; rays 1-2 mm long, slender, glabrous. Bracts 6-10, oblong-ovate, 5-12 (-15) x 4-7 (-8) mm, pinnatipanite with numerous oblong, aristate lobes. Umbellules single-flowered. Pedicels filiform, 3-5 mm long. Bractlets 3-4 (-5) in a whorld, enclosing the flower ovate-oblong, 4-5 x 2-3 mm, finely pectinate with linear lobes. Sepals 5, erect, basally united, akin to bracelets, c. 2.5-3 x 1.5 mm, pectinate with filiform teeth, persistent in fruit. Petals obovate, prolonged at the apex in to 2, filifonn awns. Anthers suborbicular, pale yellow. Stylopodium dome-shaped. Fruit narrowly oblong-ovoid. c. 2 x 1 mm, blackish-brown, 1-seed by abortion, beset with minute patent glandular hairs; mericarp ribs not distinct.
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