elliptic, 1.5-3 mm long; differentiated from Sagittaria by marginal groove and lack of beak
obovate, 6-8 mm long, 4-7 mm wide; flattened top; beak 2-4 mm long
oblong-elliptic, elongate, 0.8-1.5 mm long; whorled white pappus may be present; small, conical nipple on truncate end
floret awl-shaped, 1-2 cm long, tapering to an awn 3-6 cm long; seed cylyndric, 1-2 cm long
floret awl-shaped, 1-2 cm long, tapering to an awn 3-6 cm long; seed oblong, 1-2 cm long
floret awl-shaped, 1-2 cm long, tapering to an awn 3-6 cm long; seed cylyndric, 1-2 cm long
oblong-elliptic, elongate, 0.8-1 mm long; whorled white pappus may be present; small, conical nipple on truncate end
oblong-elliptic, elongate, 0.8-1 mm long; whorled white pappus may be present; small, conical nipple on truncate end
obovate, flat on one side, 2-4 mm long; conspicuously ribbed
oblong capsule, 3-5 mm long; may contain 1 or 2 seeds; capsules containing only 1 seed are tapered as seen in top left sp...
globose-elliptic, 2-2.5 mm; seed wall radially striated, woody
lens shaped, 1-2 mm long; tubercle cap triangular; smooth surface; bristles
flattened trigonous, 0.5-1 mm long; short beak; very long bristles easily attach/tangle
lanceolate, 5-8 mm long; strongly nerved; tapering to beak, which is ~2-3 mm long; beake with reflexed teeth ~1-2 mm lon...
flattened trigonous, 0.5-1 mm long; short beak; very long bristles easily attach/tangle
flat, round discs to wedge shaped, 4-6 mm
ovate, 0.3-0.5 mm long; dark terminal appendage at top of seed; cellular reticulations clearly visible in cell wall
oval, ~0.5 mm long; dark terminal appendages tapering at ends; cellular reticulations clearly visible in cell wall
oblong-cylindric to elliptic, ~2 mm long, 1 mm wide; thick, soft-woody wall
ovate, 0.5-1.5 mm; prominent indent at base of seed characterstic of Glyceria; 2 persistent, recurved stigmas; reddish-b...
obovate, 0.5-1.5 mm; strongly 7 veined; often purple
2-4 mm long; smooth; shortly awned; finely hairy
linear oblong, 1.5-2 mm long; dry, glabrous; pappus may or may not be present
trigonous, each side slightly concave, 1.5-2 mm long; style persistent
lens shaped, 2-3 mm long; smooth, shiny
