Ammannia multiflora

Erect herb to 60 cm tall, rigidly-branched. Leaves oblong-linear to lanceolate or oblanceolate, 0.5–5 cm long, 1.5–8 mm wide, entire; apex acute; base cordate-auriculate. Flowers 4–12 in short, usually dense cymes or clusters; peduncle to 6 mm long; pedicel 0.5–3 mm long; hypanthium broadly campanulate, 1–1.5 mm diam., appendages small or absent; sepals broad, triangular, c. 0.2 mm long; petals obovate, 0.5–1 mm long, caducous (sometimes absent), usually pink to purple; stamens exserted. Capsule globose, 1.5–2.5 mm diam., exserted slightly from hypanthium, red, dehiscing irregularly. Flowers throughout the year.