Potentilla cristae
| Potentilla cristae | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Rosids |
| Order: | Rosales |
| Family: | Rosaceae |
| Genus: | Potentilla |
| Species: | P. cristae |
| Binomial name | |
| Potentilla cristae Ferlatte & Strother | |
Potentilla cristae is a rare species of cinquefoil known by the common name crested cinquefoil. It is endemic to the Klamath Mountains of far northern California, where it is known from a few occurrences in the subalpine and alpine climates of the high mountain ridges. It grows in talus and moist rocky or gravelly serpentine soils. This is a low, matted plant producing a clump of hairy, glandular herbage up to about 20 centimeters tall. Each hairy leaf is divided into three rounded leaflets which are toothed or lobed and measure up to 2 centimeters in length. The inflorescence is a cyme of a few flowers, each with five small yellow petals. The fruit is a minute achene just a millimeter wide, which is smooth with a crest.
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