Micranthes howellii

{{Short description|Species of flowering plant}}

{{speciesbox

|genus = Micranthes

|species = howellii

|authority = (Greene) Small

}}

Micranthes howellii (formerly Saxifraga howellii) is a species of saxifrageMalcolm McGregor. Saxifrages: A Definitive Guide to the 2000 Species, Hybrids & Cultivars. Timber Press, 2008. p. 319. {{ISBN|9780881928808}} known by the common name Howell's saxifrage.Umberto Quattrocchi. CRC World Dictionary of Plant Names: Common Names, Scientific Names, Eponyms. Synonyms, and Etymology. CRC Press, 1999. p.2395-2396. {{ISBN|9780849326738}} It is endemic to the Klamath Mountains of southern Oregon and northern California, where it grows in moist, rocky habitat. It is a perennial herb growing from a caudex, usually with a rhizome system. It produces a basal rosette of leaves with rounded or oval blades edged with dull or sharp teeth or scalloping. Each leaf is up to 6 centimeters long, thick and fleshy, and borne on a short petiole. The inflorescence arises on an erect peduncle up to 20 centimeters tall. An array of branches bear several flowers with small white petals.