Οικογένεια: Φαβίδες ή Χεδρωπά
Trifolium nigrescens Viv.
Glabrous to sparsely pubescent annual. Stems erect or ascending, often branched at base, 1–2(–3 mm) thick, 5–40 cm tall. Stipules oblong, free part abruptly contracted into a linear appendage. Leaflets of lower leaves obcordate, denticulate in upper half. Peduncles longer than subtending leaf. Flower heads 10–20 mm in diam., globose, lax. Pedicels deflexed in fruit. Calyx tube glabrous, 10-veined; teeth triangular-lanceolate, lower pair ± equalling tube. Corolla usually white, turning grey, thin and shrivelled in fruit. Style less than 1.5 times as long as ovary at anthesis, thin. Ovules (3–)4–6; seeds 3 or 4; legume shallowly constricted between the seeds.
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| Trifolium nigrescens |
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| Trifolium nigrescens |
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| Trifolium nigrescens |
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| Trifolium nigrescens |
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