m high; mature parts yellowish green, not glaucous. Stems repeatedly branched from the base upwards, more or less leafy from the base upwards. Leaves relatively uniform; basal leaves biternate with entire leaflets; upper leaves 3-pinnate, invariably divided, never needle-like or junciform, (23-)28-50(-72) mm long; petiole and rachis adaxially grooved; lamina invariably present, slender, narrowly oblong. Inflorescences mostly apical on long shoots, rarely on short shoots, relatively short and somewhat congested, invariably with only primary divisions; lateral racemes terminate in simple umbels; scale-leaves 2-4 mm long; rays (11-)19-34(-48) mm long; involucre bracts (1.9-)2.1-2.9(-3.1) mm long; in-volucel bracts (1.0-)1.1-1.3(-1.4) mm long. Flowers with pedicels (2.4-)3.1-5.1(-7.3) mm long; calyx teeth 0.4(-0.5) mm long; petals widely ovate, 0.9-1.1(-1.2) x (0.6-)0.7-0.8(-0.9) mm, inflexed part (0.4-)0.5-0.6(-0.7) mm long; resin ducts unbranched; filaments (0.8-)1.0-1.3(-1.5) mm long, the uppermost 0.1-0.2 mm inflexed in bud; anthers (0.7-)0.8(-0.9) mm long; ovary (0.7-)0.8-1.0 mm long; stylopodium 0.8-1.1(-1.2) mm wide, (0.4-)0.5-0.6(-0.7) mm high; style 0.2-0.4 mm long. Fruit depressed ovate; mericarps usually not wrinkled, with small translucent dots (substomatal cavities) on a smooth surface, (1.6-)1.8-2.3(-3.0) mm long, (1.2-)1.3-1.6(-2) mm broad, resin ducts 6, rarely 8.
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