Ivesia santolinoides

Ivesia santolinoides is a species of flowering plant in the rose family known by the common names silver mousetail,[1] stellariopsis,[1] Sierra mousetail and mousetail ivesia.[2] It is endemic to California where it grows in several mountain ranges, including the Sierra Nevada and Transverse Ranges.

Stellariopsis redirects here; for the aphid genus see Macrosiphini.

Ivesia santolinoides
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Ivesia
Species:
I. santolinoides
Binomial name
Ivesia santolinoides
Synonyms[1]
  • Potentilla santolinoides (A.Gray) Green
  • Stellariopsis santolinoides (A.Gray) Rydberg

This is a perennial herb which can be somewhat different in appearance from many other mousetails. Each leaf is made up of many leaflets but they are tiny and overlap tightly to form a woolly, taillike, cylindrical leaf up to 10 centimeters long. The erect, naked stem reaches up to 40 centimeters in height and bears an inflorescence of flowers. Each flower is up to 8 millimeters wide and has large, round white petals above the much smaller, pointed sepals. There are 15 stamens and a single pistil.

References
  1. Barbara Ertter & James L. Reveal (2015), "Ivesia santolinoides A. Gray, Proc. Amer. Acad. Arts. 6: 531. 1865", in L. Brouillet; K. Gandhi; C.L. Howard; H. Jeude; R.W. Kiger; J.B. Phipps; A.C. Pryor; H.H. Schmidt; J.L. Strother & J.L. Zarucchi (eds.), Magnoliophyta: Picramniaceae to Rosaceae, Flora of North America North of Mexico, 9, New York, Oxford: Oxford University Press, pp. 246–246
  2. Jepson Manual Treatment


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