Plants to 50 cm. Stem rigid, hollow, sparingly branched, branches slender and elongate. Basal leaves small; petioles about equaling leaf blades, sheaths very short; leaf blade 3-ternate, pinnae long-petiolulate; pinnules sessile or subsessile, cuneate-obovate or ovate, ca. 20 × 14 mm, abaxially glaucous, parted or lobed. Synflorescence little-branched; peduncles equaling rays; bracts absent; rays 5–6, unequal, spreading in fruit; bracteoles absent; umbellules ca. 20-flowered; pedicels filiform, subequal. Calyx teeth conspicuous, small. Petals yellowish, oblong, with a narrow and very inflexed apex. Styles long. Mature fruit unknown, developing fruit ellipsoid, smooth; dorsal ribs filiform, lateral ribs narrowly winged; vittae 3–4 in each furrow, 4 on commissure. Fl. Jul.
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