Erodium

and California

This site was created and is maintained by Benjamin Coultrup.

Photos all ©Benjamin Coultrup unless otherwise indicated, 1984-2021.

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Erodium

Classification

Species

Clade I, Subclade 1

Subgenus Erodium

 - Section Erodium

 - Section Oxyrynchia

 - stephanianum group

Clade I, Subclade 2

Subgenus Barbata

 - Section  Absinthoidea

Clade II, Subclade 3

 - cygnorum group

Clade II, Subclade 4

 - botrys group

 - Section Cicutaria,

   - Subsection Cicutaria

   - Subsection Acaulia

 - Section Malacoidea

   - Subsection Reichardia

   - Subsection Malacoidea

 - Section Foetida

California

Literature and References

Notes

Erodium aureum Carolin


Short-lived perennial herb. Stems short to 200mm, soft non-glandular and glandular hairs.


Leaves: Basal leaves ± pinnatifid or ternately dissected; lamina oblong to ovate in outline, 1.8–3.5 cm long, 0.7–1.5 cm wide, 3–5 primary lobes with lobes toothed, covered with mostly glandular hairs; petiole to 2 cm long, hairy; stipules acute.


Inflorescence: Flowers in umbels of (1-)2–5; peduncle 30-50mm long; pedicels 10-15mm long; bracts acute; flower size, colour, symetry; sepals 5–8 mm long, hairy with glandular and non-glandular hairs, shortly mucronate, with papery edges; petal 8 mm long, pink to mauve with darker reddish veins merging to a red base; anthers red; filaments pale purple; stigma yellow




Erodium aureum: 9 September 2013: Photo credit: Mark Marathon, CC BY-SA 3.0, via Wikimedia Commons

Fruit: Mericarp hirsute with short golden brown simple hairs, both the foveole and 1-2 furrows well-defined and with short stalked glandular hairs; beak 30-40mm. 2n=20


Distribution: endemic to Australia: widespread in open ground; central Australia, including most states, in dry open habitats.