Taxon	Illustrator ⠉
	Myosurus minimus Myosurus apetalus var. borealis Myosurus cupulatus Myosurus nitidus Myosurus sessilis Trautvetteria caroliniensis	John Myers John Myers John Myers John Myers John Myers John Myers

Herbs, perennial, from short, slender rhizomes. Leaves basal and cauline, simple, proximal leaves petiolate, distal leaves sessile; cauline leaves alternate. Leaf-blade palmately 5-11-lobed; segments broadly cuneate, margins lacerate to serrate. Inflorescences terminal, ±many-flowered corymbs, 2.5-43 cm; bracts inconspicuous, linear-lanceolate, not forming involucre. Flowers bisexual, radially symmetric; sepals not persistent in fruit, 3-5 (-7), greenish white, concave-cupped, broadly ovate to obovate, clawed, 3-6 mm; petals absent; stamens ca. 50-100; outer filaments 15-20, spatulate, often distally wider than anthers, inner filaments not dilated; staminodes absent between stamens and pistils; pistils ca. 15, simple; ovule 1 per pistil; style present. Fruits utricles, aggregate, sessile, ellipsoid to obovoid, 4-angled in cross-section, sides prominently veined; beak terminal, curved to hooked, 0.4-0.8 mm. x=8.

Distribution

North America, e Asia

Discussion

Species 1 (1 in the flora).

Selected References

None.

Lower Taxa

Trautvetteria caroliniensis