Swaziland's Alien Plants Database

Alternanthera sessilis (L.) DC.
AMARANTHACEAE
sessile flowered globe amaranth, sessile joyweed
Disturbed areas, Minor problem species
Origin: Obscure
Growth Form: Herb
Plant Description: Perennial herbs, stems prostrate, rarely ascending, often rooting at the nodes, 1-10 dm long, villous in lines and transversely at the nodes. Leaves obovate to broadly elliptic, occasionally linear-lanceolate, 1-15 cm long, 0.3-3 cm wide, glabrous to sparsely villous, petioles 1-5 mm long. Flowers in sessile spikes, bract and bracteoles shiny white, 0.7-1.5 mm long, glabrous; sepals equal, 2.5-3 mm long, outer ones 1-nerved or indistinctly 3-nerved toward base; stamens 5, 2 sterile. Utricles 2-2.3 mm long, exceeding the sepals.
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