• East view from Crissy Field overlook with old Coast Guard station on left and city on right

    Presidio of San Francisco

    California

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  • CAUTION: Post Storm Damage to Coastal Trail

    The Presidio Coastal Trail segment just north of the Pacific Overlook and adjacent to Lincoln Blvd remains CLOSED indefinitely. We have posted signage to alert bicyclists and hikers and with information for safe trail alternatives. More »

San Francisco Owls Clover

(Triphysaria floribunda)
 
Presidio of San Francisco San Francisco Owl's Clover
San Francisco Owl's Clover at Fort Scott.
Will Elder, NPS
 
Origin Of Genus Name: Triphysaria is Greek for "3 bladders" and refers to lower lip pouches on the flower.

Presidio Locations: Found on the serpentine coastal prairie. In the Presidio, two populations are known to exist.

Range In State: Central California coast and San Francisco Bay Area.

Description: This rare and endangered, native annual species has small, tube-like, cream to white flowers with inflated lower lips with 3 prominent sacs arranged in compact, dense clusters. Leaves are deeply divided into 5 to 9 linear lobes on stems 4 to 12 inches high. Blooms April to May.

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Did You Know?

Refugees in line for supplies, 1906

In the three days following the 1906 earthquake, the Army's refugee camps at the Presidio issued 3,000 tents, 12,000 shelter halves, 13,000 ponchos, 58,000 pairs of shoes, and 24,000 regulation blue shirts.