Annual herb, slender and branched, erect, up to 3–4 dm. tall.. Stem glabrous.. Leaves petiolate, 3-foliolate; leaflets rather broadly rhombic-elliptic, 1–3 cm. long, 0.4–1.2 cm. wide, glabrous or almost so; petiole up to 2.2 cm. long.. Inflorescence slender, 10–15 cm. long, with very small flowers, subtended by simple subsessile elliptic to broadly elliptic or suborbicular bracts, these up to 5 mm. long.. Sepals subulate, up to 1.5 mm. long, glabrous.. Petals minute, ± 4.5 mm. long, delicate pale pink.. Stamens 5.. Gynophore 4–5 mm. long, shorter than the pedicel.. Capsules 2–3 cm. long, glabrous.. Seeds up to 1.8 mm. in diameter, orange-brown, with fine longitudinal striations and low, closely-set transverse ridges.. Fig. 2/17, p. 10.
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