Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.
Search native plant database:
Bransford, W.D. and Dolphia
Tetraneuris grandiflora (Torr. & Gray ex Gray) Parker
Alpine sunflower, Graylocks four-nerve daisy, Old-man-of-the-mountain, Rydbergia
Synonyms: Hymenoxys grandiflora, Rydbergia grandiflora
USDA Symbol: TEGR3
USDA Native Status: Native to U.S.
Out of a low mat of feathery leaves covered with cottony white hairs, rise 3-4 in. sunflowerlike flower heads on stems usually less than a foot high. The bright yellow petals with three teeth at the tip surround a broad, domed center which turns from yellow to tan with age.
In a complicated genus, this has the largest and prettiest heads (grandiflora means large-flowered) in the West.
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: May , Jun , Jul
CO , ID , MT , UT , WY Native Distribution:
S.w. MT & adjacent ID, s. to w. CO & n.e. UT Native Habitat:
Alpine tundra; mt. meadows USDA Native Status: L48(N)
Growing ConditionsLight Requirement: Sun
Soil Moisture: Moist
Soil pH: Circumneutral (pH 6.8-7.2)
Soil Description: Moist, gravelly, limestone-rich soils.
Conditions Comments: Grows best where summers are cool and dry. Some populations die abruptly after flowering, so it is a good idea to stagger plantings over several years.
PropagationDescription: Propagate by seed.
Seed Collection: Not Available
Seed Treatment: A moist, cold treatment enhances germination.
Commercially Avail: yes
From the National Suppliers Directory
According to the inventory provided by Associate Suppliers, this plant is available at the following locations:
Oregon Native Plant Nursery
- Woodburn, OR
Recommended Species Lists
Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.
View Recommended Species page
Record Modified: 2007-01-01
Research By: TWC Staff