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Keys
Vascular plant groups
Club mosses
Ferns
Vegetative key to families
Gymnosperms
Flowering plants
Genera
Families
Alternanthera Forssk. >
Perianth
segments free;
inflorescence
not woolly
Alternanthera
consider the other alternative
Plants ±
pubescent
. Leaves usually more than 6 mm wide
consider the other alternative
Flower clusters
sessile
consider the other alternative
Perianth
lobes ± equal, 2–3 mm long,
acute
or with a small point, thickened and hardened at the base when in fruit. Spikes globular to
ovoid
, 8–10 mm long, c. 6 mm wide.
Ephemeral
herb
. Widespread but uncommon
Alternanthera nana