Flora of North America species comparison

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Clematis lasiantha

chaparral clematis, pipestem, pipestem clematis
Stems

scrambling to climbing, 3-4 m. Leaf blade 3-foliolate;

leaflets ovate, largest leaflets usually 3-lobed, 1.5-6 × 1.5-5 cm;

terminal leaflet occasionally 3-cleft, margins usually toothed;

surfaces glabrous or sparsely silky.
Inflorescences

axillary, flowers solitary, rarely 3-flowered cymes.
Flowers

unisexual;

pedicel (including peduncle) stout, 3.5-11 cm;

sepals wide-spreading, not recurved, white to cream, ovate or elliptic to obovate or oblanceolate, 10-21 mm, abaxially and adaxially pilose;

stamens 50-100;

filaments glabrous;

staminodes absent or 50-100;

pistils 75-100.
Achenes

asymmetric-ovate, not broadly orbiculate, 3-4 × 1.5-2 mm, not conspicuously rimmed, glabrous;

beak 3.5-5.5 cm.
2n

= 16.

Clematis lasiantha
Phenology Flowering winter–spring (Jan–Jun).
Habitat Chaparral, open woodlands
Elevation 0-2000 m (0-6600 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
Discussion

Clematis lasiantha is common in the Coast Ranges and the foothills of the Sierra Nevada of California.

The Shasta used pounded stems or chewed or burned roots of Clematis lasiantha medicinally in the treatment of colds (D. E. Moerman 1986).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 3.
Parent taxa Ranunculaceae > Clematis > subg. Clematis
Sibling taxa
C. addisonii, C. albicoma, C. baldwinii, C. bigelovii, C. catesbyana, C. coactilis, C. columbiana, C. crispa, C. drummondii, C. fremontii, C. glaucophylla, C. hirsutissima, C. ligusticifolia, C. morefieldii, C. occidentalis, C. ochroleuca, C. orientalis, C. pauciflora, C. pitcheri, C. recta, C. reticulata, C. socialis, C. tangutica, C. terniflora, C. texensis, C. versicolor, C. viorna, C. virginiana, C. vitalba, C. viticaulis, C. viticella
Name authority Nuttall: in J. Torrey and A. Gray, Fl. N. Amer. 1: 9. (1838)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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