Calystegia subacaulis
Calystegia malacophylla
Hill morning glory, hillside false bindweed
morning glory, Sierra false bindweed
moderately to sparsely hairy, hairs appressed, retrorse, or spreading.
tomentose to villous.
ascending-decumbent, to 20–30 cm or almost absent.
ascending, decumbent, or procumbent, to 60(–100) cm.
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.
not in rosettes;
blade usually broadly to narrowly triangular, sometimes ± reniform, 30–60 × 30–90 mm, base lobed, lobes 1–3-pointed, margins not notably undulate, apex acuminate, acute, emarginate, or obtuse.
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.
usually immediately subtending sepals and lanceolate to broadly ovate, rarely to 7 mm distant from sepals and narrowly triangular to subreniform, (7–)10–18(–20) × (5–)7–14(–15) mm, lengths usually equal to or longer than sepals, margins entire, lobed, or toothed.
sepals 10–13 mm;
corolla white or cream, sometimes pink- to purplish-striped or -tinged, 33–62 mm.
sepals 9–13(–15) mm, densely hairy;
corolla white, (20–)26–38(–45) mm.
Calystegia subacaulis
Calystegia malacophylla
Subspecies 2 (2 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Subspecies 2 (2 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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. | 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. | subsp. episcopalis |
1. Herbage: hairs (dry) usually dull to golden brown, rarely grayish; leaf blades usually broadly triangular, sometimes ± reniform, 30–60 × 40–90 mm, basal lobes 2(–3)-pointed, apex usually acute or emarginate, sometimes acuminate; peduncles 3–5 cm. | subsp. malacophylla |
1. Herbage: hairs (dry) usually gray, sometimes dull brown; leaf blades narrowly triangular, 30–45 × 30–40 mm, basal lobes 1(–2)-pointed, apex usually acute, sometimes obtuse; peduncles 6–9 cm. | subsp. pedicellata |
CA
WildflowerSearch
iNaturalist
USDA Plants Database
