coast range false bindweed

Calystegia collina

Member of false bindweeds (genus Calystegia)
bindweed family (family Convolvulaceae)
dicots (class Magnoliopsida)
flowering plants (subphylum Angiospermae)

Except for extremely rare examples that I don't expect to encounter, there are no other wild members of this species in the bay area.

coast range false bindweed
Calystegia collina ssp. collina

coast range false bindweed
Calystegia collina ssp. collina

leaf tip obtuse, lobes generally indistinct, blade triangular to reniform
rare: Mt. Tam and south bay

mount saint helena morning-glory
Calystegia collina ssp. oxyphylla

mount saint helena morning-glory
Calystegia collina ssp. oxyphylla

leaf tip acute, lobes distinct, blade triangular
very rare: Mt. Tam

1 observed taxon / 1 unobserved taxon / 1 key

Chris’s observations: 7 (none are research grade)

Locations:

Máyyan 'Ooyákma Coyote Ridge OSP: 3
Calero CP: 2
Santa Teresa CP: 2

Months:

Mar.: 1
Apr.: 3
May: 3

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Not all sites include this taxon:

Calystegia collina → iNaturalist – Calflora – CalPhotos – Jepson eFlora
not yet listed → FNA

Bay Area species: iNaturalist – Calflora