Calystegia subacaulis

Perennials, rhizomatous. Herb­age moderately to sparsely hairy, hairs appressed, retrorse, or spreading. Stems ascending-decumbent, to 20–30 cm or almost absent. Leaves in basal rosettes or not; blade rounded-deltate to triangular-hastate, 30–40 mm, base usually cuneate, sometimes lobed, lobes retrorse, 1-pointed or rounded, margins not or weakly undulate, apex acu­minate, acute, rounded, or subacute. Bracts imme­diately subtending sepals, lanceolate, oblong, or broadly ovate, 7–17 × 1.5–9 mm, shorter, or slightly longer, than sepals, proximally usually flat, sometimes keeled, apex usually rounded, sometimes acute. Flowers: sepals 10–13 mm; corolla white or cream, sometimes pink- to purplish-striped or -tinged, 33–62 mm.

Distribution

California.

Discussion

Subspecies 2 (2 in the flora).

Selected References

None.

Lower Taxa

Calystegia subacaulis subsp. episcopalis, Calystegia subacaulis subsp. subacaulis

Key

1	Herbage moderately to sparsely hairy, hairs retrorse to spreading; stems almost absent or to 2 cm; leaves in basal rosettes, blade apices usually rounded to acuminate, sometimes subacute; bracts (4–)6–9 mm wide.	Calystegia subacaulis subsp. subacaulis
1	Herbage sparsely hairy, hairs appressed; stems ascending-decumbent, to 20–30 cm; leaves not in basal rosettes, blade apices acute; bracts 1.5–4 mm wide.	Calystegia subacaulis subsp. episcopalis