Myriophyllum pygmaeum
Content
Description
Terrestrial or semi-aquatic, growing in dense cushions.
Leaves opposite, linear to subulate, entire, with a dark thickening on apex above, erecto-patent, ± fleshy, 2-6 by 0.3-½ mm.
Flowers solitary in the leaf-axils of very short (5-10 mm long), strictly unisexual branches which are later sympodially overtopped, each bearing only (1-)2(-3) developed flowers and often besides 2-4 deficient higher flowerbuds.
Fruit truncate above, shallowly 4-lobed, puncticulate, c. 1 by 1 mm.