THE BULGARIAN FLORA ONLINE

Trifolium nigrescens

Small White Clover

Pictures of Trifolium nigrescens (Small White Clover)

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Common names

Small White Clover.

Scientific name

Trifolium nigrescens Viv.

Conservation status and threats

NOT protected species in Bulgaria.

Description and identification

Trifolium nigrescens is a annual herbaceous plant. The stems are prostrate, branched from the base, 5 to 30 cm long. The leaflets are obovate or rhombic, often with black spots. Stipules triangular-lanceolate. Flower heads 1-2 cm wide, with petioles longer than the leaves. Corolla white or pink, 1 to 2 times longer than the calyx. Calyx with 10 veins. Flowering May-August¹.

Habitat

In dry and moderately humid open places in the lowlands, foothills and lower mountain belt².

Distribution in Bulgaria

Native in Bulgaria in the next floristic regions: Danube Plain, Sofia Region, Znepol Region, Vitoshki Region, Struma Valley, Eastern Rhodopes, Belasitsa, Rila, Thracian Lowland, Tundzhan Hilly Plain, up to 1000 meters above sea level³.

General distribution

Map of general distribution⁴ (green - native distribution):

References

1 Кожухаров, Ст. 1976. В: Флора на Народна Република България, том VI, Издателство на БАН, София.

2 Кожухаров, Ст. 1976.

3 Кожухаров, Ст. 1976.

4 Trifolium nigrescens Viv. | Plants of the World Online | Kew Science.

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