Jepson Flora Project: Jepson Interchange    

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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

  • Up-to-date information about California vascular plants is available from the Jepson eFlora.



Lauramay T. Dempster (except Calystegia)

Perennial (annual), generally twining or trailing
Leaves alternate
Inflorescence: cyme or flowers solitary in axils; pedicels often with 2 bracts
Flower bisexual, radial; sepals 5, ± free, overlapping, persistent, often unequal; corolla generally showy, generally bell-shaped, ± shallowly 5-lobed, generally pleated and twisted in bud; stamens 5, epipetalous; pistil 1, ovary superior, chambers generally 2, ovules generally 2 per chamber, styles 1–2
Fruit: generally capsule
Seeds 1–4(6)
Genera in family: 50 genera, 1,000 species: warm temp to tropical; some cultivated as ornamental
Recent taxonomic note: Recently treated to include Cuscutaceae [Angiosperm Phylogeny Group 1998 Ann Missouri Bot Gard 85:531–553].
(Family description, key to genera by L.T. Dempster)



Annual, perennial herb from caudex or rhizome, generally ± glabrous
Stem generally trailing to high-climbing, generally twisting and twining
Leaf generally > 1 cm, generally petioled; blade generally cordate or hastate
Inflorescence: bracts generally 2, below calyx
Flower generally showy; corolla generally funnel-shaped, pleated, 5-angled or -lobed; stamens included; ovary chambers 2, septa complete, stigma lobes 2, linear or thread-like, not flattened
Fruit spheric, ± inflated
Seeds generally 4
Etymology: (Latin, entwine)
Species in genus: 250 species: generally temp. Not easily distinguished from Calystegia.


C. simulans L.M. Perry

Annual, strigose
Stem diffusely branched, 10–40 cm
Leaf entire, generally < 6 cm, oblanceolate; blade narrowed gradually to petiole
Inflorescence: peduncles 1-flowered, short, ± sharply nodding in fruit; bracts 3–7 mm, linear or narrowly oblanceolate, well below calyx
Flower: calyx lobes 3–4 mm, oblong-obovate; corolla ± 0.6 cm, bell-shaped, pinkish or bluish, lobes ± 1/2 tube length, ± ascending
Fruit ± 7 mm
Ecology: Wet clay, serpentine ridges
Elevation: 30–700 m.
Bioregional distribution: San Joaquin Valley, Central Western California, Southwestern California, s Channel Islands
Distribution outside California: Baja California
[not C. pentapetaloides L.] Probably native.
See the CNPS Inventory for information about endangerment and rarity.
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