Cardamine hirsuta

Hairy Bittercress

[not native to the Mid-Atlantic area]

[ click on any image below to see larger version ]

Family: Brassicaceae (Mustard family)

Mid-Atlantic bloom time: February - May

Hairy Bittercress flowers usually have four stamens. Its many persistent basal leaves form a rosette, with each basal leaf pinnately divided into 8–15 leaflets which have short stems connecting them to the petiole. The terminal leaflet is larger than the other leaflets and round-to-reniform in shape. The fruits of Hairy Bittercress overtop its flowers as they mature.

6 April 2018 Bull Run Mountains Natural Area Preserve, Haymarket, VA	16 February 2024 Bristoe Station Battlefield, Bristow, VA (early emerging leaves)	28 March 2015 Bull Run Mountains Natural Area Preserve, Haymarket, VA (typical growth pattern)	6 April 2018 Bull Run Mountains Natural Area Preserve, Haymarket, VA (leaves at base of plant)
16 February 2024 Bristoe Station Battlefield, Bristow, VA (early flowers)	16 February 2024 Bristoe Station Battlefield, Bristow, VA	13 March 2020 Bull Run Mountains Natural Area Preserve, Haymarket, VA	13 March 2020 Bull Run Mountains Natural Area Preserve, Haymarket, VA (hand included to show size of flowers)
13 March 2020 Bull Run Mountains Natural Area Preserve, Haymarket, VA

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