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Information Usually a dwarf herb, 3–9 cm tall. Stems simple or branched from the base, sometimes pseudo-di- or trichotomously branched. Leaves 15–60 mm long, longer than the proximal inflorescence; wing sepals 2–3≈2–2.8 mm; seeds (1.5–)1.6–2.2≈0.6–0.9, whitish-silky-pubescent, rarely puberulous. Fig. 5: 6, p. 11.

Information Annual erect herb, 6–18 cm tall. Stems slender, usually pseudo-di- or trichotomously branched, apparently terminating in an inflorescence and growth continuing by lateral branches, usually exceeding the primary one, crisped-pubescent. Leaves alternate, petiolate (petiole 1–3 mm, crisped-pubescent), lanceolate to oblong-elliptic, 15–30(–60)≈1–10 mm, subacute to rounded, base cuneate, glabrous or very minutely pubescent on both sides. Flowers whitish, pinkish or lilac, in much congested terminal racemes, often subglobose, 8–25 mm long, rachis crisped-pubescent; bracts lanceolate, 1–1.5 mm long, usually pubescent, persistent; bracteoles lanceolate, 1 mm long, usually pubescent, persistent; pedicels 1.5–3 mm, usually crisped-pubescent. Posterior sepal keel-shaped, 1.5–2≈0.8 mm, pubescent or glabrescent; wing sepals elliptic to suborbicular, 3–4≈2–3 mm, pubescent towards the base; anterior sepals keel-shaped, 1–1.5 mm long, free. Upper petals obliquely elliptic, constricted below the middle, 2.5≈1.5–2 mm, pubescent at the base; carina 2.5≈1.25 mm; crest 1.5–2 mm long, fimbriate. Stamens 8. Capsule elliptic to suborbicular in outline, 2–2.5≈2–2.8 mm, glabrous, narrowly winged (wing 0.2 mm wide). Seeds ellipsoid to subglobose, 1.5–2.3≈0.7–1 mm, brownish silky-pubescent, rarely puberulous; caruncle subsymmetric, 0.4–0.6 mm long, with three small appendages, 0.2–0.3 mm long.

Information Annual herb, 3–15 cm tall. Stems slender, usually pseudo-di- or trichotomously branched, apparently terminating in an inflorescence and growth continuing by lateral branches, usually exceeding the primary one, crisped-pubescent. Leaves alternate, petiolate (petiole 1–2 mm, crisped-pubescent), elliptic to broadly elliptic, 10–30(–40)≈(3–)5–12(–20) mm, subacute to rounded, base cuneate, glabrous or very minutely pubescent on both sides. Flowers whitish, pinkish or lilac, in much congested terminal racemes, often subglobose, 7–20 mm long, rachis crisped-pubescent; bracts lanceolate, 0.7–1 mm long, usually pubescent, persistent; bracteoles lanceolate, 0.5 mm long, usually pubescent, persistent; pedicels 1.5–3 mm, usually crisped-pubescent. Posterior sepal keel-shaped, 1.5–2≈0.5–1 mm, pubescent or glabrescent; wing sepals elliptic to suborbicular, (2–)2.5–3.5≈2–3 mm, pubescent towards the base; anterior sepals keel-shaped, 1–1.5 mm long, free. Upper petals obliquely obovate, constricted below the middle, 1.5–2.2≈0.7–1.5 mm, pubescent at the base; carina 2.5–3≈1.2–1.5 mm; crest 0.7–1 mm long, fimbriate. Stamens 8. Capsule elliptic to ovate in outline, 1.5–2.5≈1.5–2 mm, glabrous, narrowly winged (wing 0.2 mm wide). Seeds ovoid to subglobose, 1–1.8(–2)≈0.6–0.8(–1) mm, glabrous, rarely puberulous; caruncle subsymmetric, subglobose, 0.4–0.6 mm long, with the appendages hiding the caruncle, 0.4–0.5 mm long. Fig. 5: 7, p. 11.

Information Annual 6–15 cm. tall, usually of dwarfed, tufted appearance; stems crisped-pubescent. Leaves 15–60 x 1–7 mm., linear or linear-elliptic to narrowly elliptic, glabrous or very minutely pubescent. Flowers white, lilac or pinkish, pedicels 2–3 mm. long, in terminal racemes with dichotomous cymose branching much as in P. arenaria but the whole inflorescence much congested in conformity with the dwarf habit. Posterior sepal 1.5 mm. long; wing sepals 2–2.5 x 2–3 mm., suborbicular; anterior sepals, 1.5 mm. long, free. Upper petals 1.5 x 1.5 mm., rounded at the apex with a notch on one side and a projection on the other; carina 2.5 mm. long, crest 1 mm. long. Stamens 8. Capsule 2.5 x 2.2 mm., suborbicular in outline, glabrous. Seeds 2 x 1 mm., ellipsoid, white-silky-pubescent; caruncle about 0.5 mm. long with appendages about the same length.