Family: Brassicaceae
Cardamine hirsuta
Citation:
L., Sp. Pl. 655 (1753).
Synonymy: C. hirsuta L. var. reniformis J. Black, Fl. S. Aust. 245 (1924).
Common name: Common bitter cress, hairy wood-cress.
Description:
Annual herb, erect, to 30 cm tall, sparsely hirsute; basal leaves rosulate, petiolate, pinnate, with 3-7 pairs of obovate or orbicular pinnae; cauline leaves few and reducing; sepals c. 1.5 mm long, green-violet with white margins.
Petals 2.5-3 mm long, white; stamens 4, rarely 6.
Siliqua linear, 15-25 mm long, 0.7-1.5 mm wide, erect, overtopping the inflorescence; style c. 0.5 mm long; pedicels in fruit curved, spreading, 5-10 mm long; seeds ovoid, compressed, slightly winged, c. 1 mm long.
| Cardamine hirsuta fruit and section through fruit.
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Image source: fig 211c in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).
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Published illustration:
Ross-Craig (1949) Drawings Brit. Pl. 3:pl. 21; Beadle (1972) Student's Flora of north-eastern New South Wales 2:fig. 61.
Distribution:
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Grows in moist regions especially as a garden and glasshouse weed.
S.Aust.: EP, SL, KI, SE. W.Aust.; Qld; N.S.W.; Vic.; Tas. Native to the Northern Hemisphere.
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Conservation status:
naturalised
Flowering time: Aug. — Oct.
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SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
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Biology:
No text
Author:
Not yet available
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