Flora of North America species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Clematis lasiantha

Clematis morefieldii

chaparral clematis, pipestem, pipestem clematis

huntsville vasevine, Morefield's clematis, Morefield's leather-flower
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.

viny, to 5 m, cobwebby-tomentose and pilose.
Leaf

blade 1-pinnate;

leaflets 4-10 plus additional tendril-like terminal leaflet, narrowly to broadly ovate, unlobed or 2-3-lobed, 3.5-10 × 2-6.5 cm, thin, reticulate;

surfaces abaxially densely silky-pilose, not glaucous.
Inflorescences

axillary, flowers solitary, rarely 3-flowered cymes.

axillary, 1-5-flowered;

bracts at or near base of peduncle/pedicel.
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.

urn-shaped;

sepals pinkish, suffused with green, oblong-lanceolate, 2-2.5 cm, margins not expanded, thick, not crispate, tomentose, tips acuminate, slightly spreading to short-reflexed, abaxially densely silky-pubescent.
Achenes

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

beak 3.5-5.5 cm.

bodies silky-pubescent;

beak 3-3.5 cm, plumose.
2n

= 16.

Clematis lasiantha

Clematis morefieldii
Phenology Flowering winter–spring (Jan–Jun). Flowering spring–early summer.
Habitat Chaparral, open woodlands Open woods among limestone boulders
Elevation 0-2000 m (0-6600 ft) 200-300 m (700-1000 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
from FNA
AL
[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.)

Of conservation concern.

Clematis morefieldii is known only from limestone uplands east of Huntsville, Madison County, Alabama.

From all variants of the closely related Clematis viorna, C. morefieldii differs in the cobwebby tomentose as well as villous pubescence of its stems, and in having bracts at or very near the base of the peduncle rather than well above the base.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 3. FNA vol. 3.
Parent taxa Ranunculaceae > Clematis > subg. Clematis Ranunculaceae > Clematis > subg. Viorna
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
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. lasiantha, C. ligusticifolia, 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) Kral: Ann. Missouri Bot. Gard. 74: 665. (1987)
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).



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

Choose a data source: Flora of North America, OregonFlora

The species comparison tool is brought to you by:
Northwest Wildflowers