Swaziland's Alien Plants Database

Polycarpaea corymbosa (L.) Lam. var. corymbosa 
(Polycarpaea corymbosa)
(Achyranthes corymbosa)
CARYOPHYLLACEAE (PART A)
old man's cap
Unknown, Potential minor problem species
Origin: Asia?
Growth Form: Herb
Plant Description: Herbs annual or short-lived perennial. Stems erect, 15--35 cm tall, mostly branching above middle, occasionally branched at base, white pilose. Stipules ovate-lanceolate, 2--4 mm, scarious, margin hyaline, apex acute. Leaves apparently verticillate; leaf blade linear or acicular, 1.5--2 cm ca. 1 mm, erect or uniformly recurved from erect base, apex acute to needlelike. Bracts lanceolate, longer than pedicel, hyaline, membranous. Pedicel slender, white pilose. Sepals lanceolate, (2--)2.7--3.5 0.5--1 mm, membranous, hyaline, apex acuminate. Petals milky white or reddish, broadly ovate, ca. 1/2 as long as sepals, apex obtuse. Stamens usually 5, shorter than petals. Style short, 1/3--1/2 as long as ovary. Capsule brown, ovoid, ca. 1/2 as long as calyx, 5--13-seeded. Seed brown, flat, ca. 0.5 0.3 mm, obscurely reticulate.
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