Sparganium androcladum Morong

Plants robust, to 1.2 m; leaves and inflorescences erect, emergent. Leaves stiff, keeled from base at least to middle, flattened distally, to 1.2 m  5--15 mm. Inflorescences: rachis (0--)1--3 branched, erect, bracts strongly ascending, not basally inflated; pistillate heads (1--)2--4 on main rachis, 0(--2) on lateral branches, axillary, not contiguous, sessile or short-peduncled, 2.5--3.5 cm diam. in fruit; staminate heads 3--8 on main rachis, 1--6 on lateral rachises, most not contiguous. Flowers: tepals often with prominent subapical dark spot, subentire to entire; stigma 1, linear. Fruits brown, proximally dull, distally shiny, subsessile to short-stipitate, fusiform, usually constricted near equator, body not strongly faceted, 5--7  2.5--3 mm, tapering to beak; beak often curved and hooked, 4--7 mm; tepals attached at base, reaching to equator or somewhat beyond. Seeds 1.

Muddy or peaty shores, swamps and shallow water. Shores and shallow, quiet, circumneutral waters from sea level to 800 metres.

Can be grown by divisions or seedlings.