Erodium

and California

This site was created and is maintained by Benjamin Coultrup.

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

Home

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 texanum A.Gray


Annual; stems procumbent to ascending, 10–50 cm, ± canescent



Leaves: Leaves 1.5-4cm, ovate, cordate, crenate to 3-lobed, densely puberulent to strigose.


Inflorescence: umbels of 1-3 flowers, sepals 5–10 mm, with a mucro, tip strigose; petals unequal, 7–12 mm, lavender to purple, usually darker towards the base; stamen filaments whitish-green; anthers purple-pink; pollen orange-yellow; stigmas purple-pink. Flowers March to May

Fruit: fruit 4-7.8 cm; style column 3–7 cm; mericarp 5-8mm; foveole transversely elliptic, deep, or with a high ridge, glabrous, furrow 0; stiff glassy light brown hairs with dark brown raised tubercle; mericarp pointed, point very short and bristly hairy; carpel case covered in ridges and ribs making pits rather hexagonal in shape; hairs on awn white, awn is not feathery; geranium type pollen . 2n=20


Distribution: endemic to N.America – Mexico, USA; California, Nevada, Utah, Arizona, New Mexico, Texas, deserts, and dry sandy places.


Erodium texanum; Parker County, Texas, USA, : 16/02/2019; Photo credit: Brent Franklin, from inaturalist.org; licenced under Creative Commons Attribution-NonCommercial 4.0 International Licence (CC BY-NC 4.0)

Erodium texanum; Copperfield, Austin, Texas, USA; 11/04/2019; Photo credit: Suonghuynh, from inaturalist.org; licenced under Creative Commons Attribution-NonCommercial 4.0 International Licence (CC BY-NC 4.0)

Erodium texanum; SE of New River, Maricopa County, Arizona, USA, ; Photo credit: David Vander Pluym, from inaturalist.org; licenced under Creative Commons Attribution-NonCommercial 4.0 International Licence (CC BY-NC 4.0)

Erodium texanum; Oak Cliff Nature Preserve, Dallas County, Texas, USA, ; 26/04/2019; (c) Adam Cochran, from inaturalist.org; licenced under Creative Commons Attribution-NonCommercial 4.0 International Licence (CC BY-NC 4.0)


Erodium texanum; Maricopa County, Arizona, USA: 09/03/2019; Photo Credit: ejones17, from inaturalist.org; licenced under Creative Commons Attribution-NonCommercial 4.0 International Licence (CC BY-NC 4.0)