Clematis pauciflora

Nuttall in J. Torrey and A. Gray

in J. Torrey and A. Gray, Fl. N. Amer. 1: 9. 1838.

Common names: Ropevine
Treatment appears in FNA Volume 3.
Revision as of 19:13, 26 July 2019 by FNA>Volume Importer
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Stems scrambling to climbing, 2-3 m. Leaf-blade 1-2-pinnate, usually 5-foliolate, sometimes proximal and lateral leaflets also 3-foliolate; leaflets ovate to lanceolate, usually 3-lobed, 1-3.5 × 0.7-3.2 cm, membranous to leathery, margins each usually with 1-3 acute to rounded teeth, rarely entire; surfaces glabrous or very sparsely silky. Inflorescences axillary, 3 (-12) -flowered cymes or flowers solitary or paired. Flowers unisexual; pedicel slender, 1-3.5 cm; sepals widespreading, not recurved, white to cream, obovate to oblanceolate, 7-12 mm, abaxially pilose to silky, adaxially glabrous; stamens 30-50; staminodes absent or fewer than stamens; filaments glabrous; pistils 20-50. Achenes broadly ovate to nearly orbiculate, 4-4.5 × 2.5-3.5 mm, conspicuously rimmed, glabrous; beak 2.5-4 cm.

Phenology: Flowering winter–fall (Jan–Oct; usually Mar–Apr).
Habitat: Dry chaparral, edges of meadows and cultivated fields
Elevation: 0-2200 m


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Calif., Mexico (Baja California)


Clematis pauciflora is a distinctive species easily identified by the small, 3-lobed leaflets, glabrous or almost glabrous leaves and stems, and large, suborbicular achenes. Intermediates between C. pauciflora and C. lasiantha are present where the two species occur together.

Selected References


Lower Taxa

... more about "Clematis pauciflora"
James S. Pringle +
Nuttall in J. Torrey and A. Gray +
Ropevine +
Calif. +  and Mexico (Baja California) +
0-2200 m +
Dry chaparral, edges of meadows and cultivated fields +
Flowering winter–fall (Jan–Oct +  and usually Mar–Apr). +
in J. Torrey and A. Gray, Fl. N. Amer. +
Clematis pauciflora +
Clematis subg. Clematis +
species +