Calystegia malacophylla subsp. pedicellata
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Family: Convolvulaceae · Type: Vine · Native
Calystegia malacophylla subsp. pedicellata is a native California vine in the Convolvulaceae family, recognized by grayish hairs, narrow leaves, and long peduncles.
Calystegia malacophylla subspecies pedicellata is a California native perennial found in the San Francisco Bay Area, southern Coast Ranges, and western Transverse Ranges on dry slopes and in chaparral at elevations of 300 to 1,900 meters. Flowering from April to July, this plant produces white flowers in delicate, softly hairy inflorescences. Growing with slender stems 15 to 30 centimeters tall, it has distinctive grayish to brownish plant hairs. Its leaves are broadly triangular, 3 to 4.5 centimeters long and wide, with lobes typically ending in a single point and tips ranging from slightly obtuse to acute. The plant's peduncles often extend beyond the subtending leaves, creating an elegant and distinctive silhouette.
Identification and appearance
Key characters: 14 sympatric species; grayish hairs, narrow leaves, and long peduncles are diagnostic
Habitat and range
Habitat: dry slopes, chaparral
Elevation: 300-1900 m
California counties: Los Angeles, Ventura, Kern, Monterey, Alameda, Santa Barbara, San Luis Obispo, San Benito, Fresno, Contra Costa, Santa Clara, Stanislaus, Tulare
Bloom period
Calystegia malacophylla subsp. pedicellata blooms Apr-Jul.
How to tell it apart
vs Convolvulus: Convolvulus has smaller flowers with sharply pointed stigma lobes; Calystegia stigma lobes are blunt.; vs Ipomoea: Ipomoea stigma is a single rounded knob; Calystegia stigma has two distinct flattened lobes.; vs Datura: Datura flowers are upright with pleated edges; Calystegia flowers are smooth funnels.; vs Abronia: Abronia has clusters of small tubular flowers; Calystegia has single large funnel flowers.; vs Oenothera: Oenothera has four separate petals; Calystegia petals are fused into continuous funnel.
Frequently asked questions
Is Calystegia malacophylla subsp. pedicellata native to California?
Yes. Calystegia malacophylla subsp. pedicellata is native to California (recorded as native).
When does Calystegia malacophylla subsp. pedicellata bloom?
Calystegia malacophylla subsp. pedicellata blooms Apr-Jul.
Where in California does Calystegia malacophylla subsp. pedicellata grow?
Calystegia malacophylla subsp. pedicellata occurs in Los Angeles, Ventura, Kern, Monterey, Alameda, Santa Barbara, San Luis Obispo, San Benito and other counties, at elevations of 300-1900 m.
What plant family does Calystegia malacophylla subsp. pedicellata belong to?
Calystegia malacophylla subsp. pedicellata is in the Convolvulaceae family, genus Calystegia.
What habitat does Calystegia malacophylla subsp. pedicellata grow in?
Calystegia malacophylla subsp. pedicellata grows in dry slopes, chaparral.
Related species
Other California species in the same genus, family, or bioregion.
Sources: Jepson eFlora · Index of California Plant Names · CalPhotos
Last updated 2026-10-07
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.