Myriophyllum crispatum
​              Upright Water-Milfoil

Wetland Planting Zone	Submerged Marsh
Approved Format	600cc
Family	Haloragaceae
Form	Myriophyllum crispatum is a robust erect perennial herb with soft curly hairs on stems and leaf bases, rooting at the leaf nodes
Foliage	Submerged leaves and emergent leaves are different. Submerged leaves are egg-shaped, 10-40mm long in rings of 5-8, leaves divided to midrib with close narrow segments like teeth on a comb Emergent leaves have rings of 6-9, decreasing from broadly lance-shaped and divided to toothed, to needle-like and entire to 20mm
Flowers	Single, stalkless male and female flowers in upper leaf axils. Female flowers lack sepals and petals, with white stigmas.
Fruit	Fruit is cubiform, yellow-brown to deep red
Habitat	Upright Water-Milfoil is aquatic to a depth of 1m, or semi-aquatic in swamps and mud and still to slow flowing streams. Full sun, semi-shade
Distinctive Features	This plant is readily identified by the presence of crisped hairs on the stems and leaf bases
Similar Species	Similar to other Myriophyllum species, but distinguished by the stems and leaf-bases
Comments	Freely roots from nodes in the mud