Herniaria hirsuta L., it is an annual, prostrate, branched, hirsute, herb. Stem and branches with 2-4 mm long internodes, with short hairs. Leaves opposite, sessile, covered with stiff short hairs or older ones occasionally marginally ciliate, alternate on flowering shoots, narrowly elliptic-oblong to elliptic, 2-4 mm long and 1-1.25 mm wide, obtuse, margin entire, hirsute. Inflorescence dense leaf opposed, stellate cymose clusters of 6-9 flowers. Flowers green, pentamerous, 1-1.5 mm long, sessile, perigynous, densey covered with short, stiff, spreading hairs, perigynous zone sub glabrous to almost glabrous. Sepals 5, equal or somewhat unequal in older flowers, c. 1 mm long, oblong, obtuse, covered with stiff, whitish spreading hairs, margins membranous. Petals 5, free, filiform, alternate with and shorter than sepals, c. 0.4 mm long. Stamens 3-5, antisepalous, filaments minute; anthers ovoid. Ovary ovoid-subglobose, papillose near the apex; style minute, bilobed with 2 minute stigmas divergent in fruit. Fruit papillose near the apex, scarcely equalling the persistent sepals. Seed minute, ovoid, brown.
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