Early Meadow Rue

Thalictrum dioicum Ranunculaceae

Growth habit



Long-lived polycarpic perennial

Native distribution

Native to the Finger Lakes Region, Eastern North America


Mundy Wildflower Garden, Robison Herb Garden, Coy Glen, Edwards Lake Cliffs Preserve, McLean Bogs, Eames Bog, Purvis Road Wetlands Natural Area, Ringwood Ponds, South Hill Swamp

Source of plant

Prairie Moon Nursery


Roots yellow to light brown, fibrous, from stout caudex. Stems erect, 30-80cm, glabrous or glandular. Leaves basal and cauline, petiolate. Leaf blade 1-4—-ternately compound; leaflets reniform or cordate to obovate or orbiculate, apically 3-12-lobed, 10-45mm wide, lobe margins often crenate, surfaces abaxially glabrous or glandular. Inflorescences terminal and axillary, panicles to corymbs, many flowered. Flowers: sepals greenish to purple, ovate or obovate to oval, 1.8-4mm; filaments yellow to greenish yellow, 3.5-5.5 mm; anthers 2-4mm, mucronate to acuminate; stigma purple. Achenes (3-)7--13, not reflexed, sessile or nearly so; stipe terete, 0-0.2mm; body ovoid to ellipsoid, not laterally compressed, 3.5-5mm, glabrous, very strongly veined, veins not anastomosing-reticulate; beak 1.5-3mm.

USDA Hardiness Zone