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 tordylioides (Desf.) Guitt.

Perennial herb, 17-54 cm, with branching multicrowned woody rhizomes, subcaulescent.

Leaves: Leaves all basal, lamina 6.5-18.5 cm, ovate lanceolate, pinnate, with patent glandular hairs, a few eglandular hairs and some small glands especially beneath; leaflets 9-15(19), sometimes petioled, pinnatifid or pinnatisect, with ± acute teeth; stipules 9-20 mm, ovate lanceolate, whitish to brownish.

Inflorescence: Umbels directly from the caudex, with (7)11-24 flowers; bracts 6-14, ovate or triangular-ovate, pubescent, whitish; sepals 5.5-8 mm, elliptic, densely glandular-pubescent; mucro 0.4-0.8 mm; petals 7-13mm, pink or white, unequal, all petals marked or not the upper 2 often with a large mark; nectaries olive-green; Staminodes whitish; stamen filaments bluish or pinkish;  anthers purple; pollen orange; stigmas purple

Fruit: fruit 39-56 mm; mericarps 5.5-7.5 mm foveole glandular, with a narrow furrow, base covered in abundant erect hairs. 2n=20 Guitt.

Distribution: endemic to Europe, Africa: Spain; Algeria; Morocco; usually found on chalk (dolomite) cliffs between 650 and 1200m.

Synonym: Erodium gaussenianum

Erodium tordylioides; foothills of the Spanish Pyrenees; Photo credit: Dyoke van Assum: from the IGG Facebook Group, Licenced under Creative Commons Attribution-NonCommercial 3.0 Unported (CC BY-NC 3.0)

Erodium tordylioides; foothills of the Spanish Pyrenees; Photo credit: Dyoke van Assum: from the IGG Facebook Group, Licenced under Creative Commons Attribution-NonCommercial 3.0 Unported (CC BY-NC 3.0)

Erodium tordylioides; habitat: foothills of the Spanish Pyrenees; Photo credit: Dyoke van Assum: from the IGG Facebook Group, Licenced under Creative Commons Attribution-NonCommercial 3.0 Unported (CC BY-NC 3.0)

Erodium tordylioides; Wisley Alpine Beds: Photo: Benjamin Coultrup