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

RANUNCULACEAE

BUTTERCUP FAMILY

Dieter H. Wilken, except as specified

Annual, perennial herb, sometimes aquatic
Leaves generally basal and cauline, generally alternate, simple or compound; petioles at base generally flat, sometimes sheathing or stipule-like
Inflorescence: cyme, raceme, panicle, or flowers solitary
Flower generally bisexual, radial; sepals generally 5, free, early deciduous or withering in fruit, generally green; petals 0–many, free; stamens generally 10–many; pistils 1–many, ovary superior, chamber 1, style 1, generally ± persistent in fruit as beak, ovules 1–many
Fruit: achene, follicle, berry, or utricle-like, 1–many-seeded
Genera in family: ± 60 genera, 1700 species: worldwide, especially n temp, tropical mtns; many ornamental (Adonis, Aquilegia, Clematis, Consolida, Delphinium, Erianthis, Helleborus ), some highly TOXIC (Aconitum, Actaea, Delphinium, Ranunculus )
Reference: [Duncan & Keener 1991 Phytologia 70:24–27]

CLEMATIS

VIRGIN'S BOWER

Frederick B. Essig

Generally woody vine, sometimes dioecious
Leaves generally 1–2-pinnate, cauline, generally opposite; petiole generally twining; leaflets ovate to lanceolate, often irregularly 2–3-lobed, coarsely toothed
Inflorescence: panicle to 1-flowered, axillary or terminal
Flower radial; sepals generally 4, free, petal-like, generally lanceolate, white to cream (or brightly colored elsewhere); petals 0; stamens many, free; pistils generally many, simple
Fruit: many achenes, each generally with an elongate, feathery style
Species in genus: 250 species: worldwide
Etymology: (Greek: twig)
Worldwide revision badly needed but CA species distinct.

Native

C. lasiantha Nutt.

PIPESTEMS


Leaf: leaflets 3–5, ± 3-lobed, toothed, largest on plant generally 3–5 cm
Inflorescence: generally 1-flowered, axillary
Flower: sepals 10–21 mm, both surfaces hairy; stamens or staminodes 50–100, 7–13 mm, << sepals; pistils 75–100
Fruit: body hairy
Ecology: Hillsides, chaparral, open woodlands
Elevation: < 2000 m.
Bioregional distribution: Sierra Nevada Foothills, Central Western California, Southwestern California
Flowering time: Jan–Jun
Horticultural information: DRN, DRY: 7, 14, 15, 16, 17, 22, 23, 24 &SHD: 8, 9, 18, 19, 20, 21.

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