''Hydrophyllum tenuipes'', the Pacific waterleaf, is an herbaceous perennial

plant Plants are the eukaryotes that form the Kingdom (biology), kingdom Plantae; they are predominantly Photosynthesis, photosynthetic. This means that they obtain their energy from sunlight, using chloroplasts derived from endosymbiosis with c ...

native to North America. It is found in western

North America North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...

from

British Columbia British Columbia is the westernmost Provinces and territories of Canada, province of Canada. Situated in the Pacific Northwest between the Pacific Ocean and the Rocky Mountains, the province has a diverse geography, with rugged landscapes that ...

to northern

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

Ecology

The ''Hydrophyllum tenuipes'' plant spreads by

rhizomes In botany and dendrology, a rhizome ( ) is a modified subterranean plant stem that sends out roots and shoots from its nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from axillary buds and grow hori ...

to form large colonies in wooded areas. Flowers are greenish-white to lavender, appearing in mid to late spring.

Description

Five conspicuous stamen extend beyond the five petals to a length more than twice as long as the petals. Sepals bristly on margins. There are numerous clusters of flowers on stalks extending from upper leaf axils.

Range

''Hydrophyllum tenuipes'' grows at low to mid elevation in shady conditions often in close association with

Tolmiea menziesii ''Tolmiea menziesii'' () is a species of flowering plant in the family Saxifragaceae. It is known by the common names youth on age, pick-a-back-plant, piggyback plant, and thousand mothers. It is a perennial plant native to the West Coast of Nort ...

(Youth on Age), which blooms during the same period.

References

External links

Jepson Manual TreatmentPhoto gallery
tenuipes Flora of California Flora of Oregon Flora of Washington (state) Flora of British Columbia Flora without expected TNC conservation status {{Hydrophylloideae-stub