Difference between revisions of "Clematis baldwinii"

Torrey & A. Gray

Fl. N. Amer. 1: 8. 1838.

Common names: Pine-woods clematis pine-hyacinth
Endemic
Synonyms: Clematis baldwinii var. latiuscula R. W. LongViorna baldwinii unknown
Treatment appears in FNA Volume 3.
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--><span class="statement" id="st-d0_s0" data-properties="stem orientation;stem some measurement;stem pubescence;stem pubescence;stem pubescence"><b>Stems </b>erect, 2-6 dm, nearly glabrous to moderately pilose.</span> <span class="statement" id="st-d0_s1" data-properties="leaf architecture"><b>Leaves </b>usually simple.</span> <span class="statement" id="st-d0_s2" data-properties="leaf-blade shape;leaf-blade shape;leaf-blade shape;leaflet quantity"><b>Leaf-</b>blade unlobed or 2-3-lobed, occasionally divided into 3-5 leaflets;</span> <span class="statement" id="st-d0_s3" data-properties="leaflet shape;leaflet shape;leaflet shape;leaflet shape;leaflet shape;leaflet shape;leaflet shape;leaflet shape;blade shape;blade shape;blade shape;blade shape;blade shape;blade shape;blade shape;blade shape;lobe shape;lobe shape;lobe shape;lobe shape;lobe shape;lobe shape;lobe shape;lobe shape;leaf-blade shape;leaf-blade shape;leaf-blade shape;leaf-blade length;leaf-blade atypical width;leaf-blade width;leaf-blade width;leaf-blade architecture or coloration or relief">leaflet blades or lobes linear to narrowly elliptic-lanceolate, or unlobed leaf-blades elliptic to ovate, 1.5-10 × 0.2-2.5 (-3.5) cm, thin, not prominently reticulate;</span> <span class="statement" id="st-d0_s4" data-properties="surface pubescence;surface pubescence">surfaces glabrous, not glaucous.</span> <span class="statement" id="st-d0_s5" data-properties="inflorescence position or structure subtype;flower architecture or arrangement or growth form"><b>Inflorescences </b>terminal, flowers solitary;</span> <span class="statement" id="st-d0_s6" data-properties="beak presence;beak position or shape;beak size;beak shape">bracts absent or sometimes distal pair of leaves smaller, bractlike.</span> <span class="statement" id="st-d0_s7" data-properties="flower shape"><b>Flowers </b>narrowly bell-shaped;</span> <span class="statement" id="st-d0_s8" data-properties="sepal coloration;sepal shape;sepal some measurement;margin size;margin width;margin width;margin shape;margin pubescence;margin pubescence;margin pubescence;tip shape;tip orientation;tip orientation;tip orientation;tip pubescence">sepals uniformly violet-blue, oblong-lanceolate, 2-5.5 cm, margins narrowly expanded distally to ca. 1 mm wide, thin, crispate, proximally tomentose, glabrous where expanded, distally ± tomentose, tips acuminate, spreading to recurved, abaxially glabrous.</span> <span class="statement" id="st-d0_s9" data-properties="body pubescence"><b>Achenes:</b> bodies long-pubescent;</span> <span class="statement" id="st-d0_s10" data-properties="">beak 6-10 cm, plumose.</span> <span class="statement" id="st-d0_s11" data-properties="beak some measurement;beak shape;2n chromosome quantity">2n = 16.</span><!--
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--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>erect, 2-6 dm, nearly glabrous to moderately pilose. <b>Leaves</b> usually simple. <b>Leaf</b> blade unlobed or 2-3-lobed, occasionally divided into 3-5 leaflets; leaflet blades or lobes linear to narrowly elliptic-lanceolate, or unlobed leaf blades elliptic to ovate, 1.5-10 × 0.2-2.5(-3.5) cm, thin, not prominently reticulate; surfaces glabrous, not glaucous. <b>Inflorescences</b> terminal, flowers solitary; bracts absent or sometimes distal pair of leaves smaller, bractlike. <b>Flowers</b> narrowly bell-shaped; sepals uniformly violet-blue, oblong-lanceolate, 2-5.5 cm, margins narrowly expanded distally to ca. 1 mm wide, thin, crispate, proximally tomentose, glabrous where expanded, distally ± tomentose, tips acuminate, spreading to recurved, abaxially glabrous. <b>Achenes</b>: bodies long-pubescent; beak 6-10 cm, plumose. <b>2n</b> = 16.</span><!--
  
 
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|publication year=1838
 
|publication year=1838
 
|special status=Endemic
 
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V3/V3_163.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V3/V3_163.xml
 
|genus=Clematis
 
|genus=Clematis
 
|subgenus=Clematis subg. Viorna
 
|subgenus=Clematis subg. Viorna
 
|species=Clematis baldwinii
 
|species=Clematis baldwinii
|2n chromosome quantity=16
 
|beak position or shape=distal
 
|beak presence=absent
 
|beak shape=plumose;bractlike
 
|beak size=smaller
 
|beak some measurement=6cm;10cm
 
|blade shape=linear;narrowly elliptic-lanceolate or unlobed
 
|body pubescence=long-pubescent
 
|flower architecture or arrangement or growth form=solitary
 
|flower shape=bell--shaped
 
|inflorescence position or structure subtype=terminal
 
|leaf architecture=simple
 
|leaf-blade architecture or coloration or relief=reticulate
 
|leaf-blade atypical width=2.5cm;3.5cm
 
|leaf-blade length=1.5cm;10cm
 
|leaf-blade shape=elliptic;ovate
 
|leaf-blade width=thin;0.2cm;2.5cm
 
|leaflet quantity=3;5
 
|leaflet shape=linear;narrowly elliptic-lanceolate or unlobed
 
|lobe shape=linear;narrowly elliptic-lanceolate or unlobed
 
|margin pubescence=tomentose;glabrous;tomentose
 
|margin shape=crispate
 
|margin size=expanded
 
|margin width=thin;0mm;1mm
 
|sepal coloration=violet-blue
 
|sepal shape=oblong-lanceolate
 
|sepal some measurement=2cm;5.5cm
 
|stem orientation=erect
 
|stem pubescence=nearly glabrous;moderately pilose
 
|stem some measurement=2dm;6dm
 
|surface pubescence=not glaucous;glabrous
 
|tip orientation=spreading;recurved
 
|tip pubescence=glabrous
 
|tip shape=acuminate
 
 
}}<!--
 
}}<!--
  
 
-->[[Category:Treatment]][[Category:Clematis subg. Viorna]]
 
-->[[Category:Treatment]][[Category:Clematis subg. Viorna]]

Revision as of 14:34, 27 July 2019

Stems erect, 2-6 dm, nearly glabrous to moderately pilose. Leaves usually simple. Leaf blade unlobed or 2-3-lobed, occasionally divided into 3-5 leaflets; leaflet blades or lobes linear to narrowly elliptic-lanceolate, or unlobed leaf blades elliptic to ovate, 1.5-10 × 0.2-2.5(-3.5) cm, thin, not prominently reticulate; surfaces glabrous, not glaucous. Inflorescences terminal, flowers solitary; bracts absent or sometimes distal pair of leaves smaller, bractlike. Flowers narrowly bell-shaped; sepals uniformly violet-blue, oblong-lanceolate, 2-5.5 cm, margins narrowly expanded distally to ca. 1 mm wide, thin, crispate, proximally tomentose, glabrous where expanded, distally ± tomentose, tips acuminate, spreading to recurved, abaxially glabrous. Achenes: bodies long-pubescent; beak 6-10 cm, plumose. 2n = 16.


Phenology: Flowering all year.
Habitat: Sandy, flat pine woods
Elevation: 0-50 m

Discussion

The long peduncles (10-30 cm) elevating the flowers well above the leaves are unique to Clematis baldwinii among the simple-leaved species of Clematis subg. Viorna in the flora. Broad-leaved, large-flowered plants have been segregated as C. baldwinii var. latiuscula, but many intermediates connect the extremes, and flower size is not well correlated with leaf shape. As noted by C. S. Keener (1975), leaf shape appears to be uncorrelated with distribution; collections from a single population often include broad- and narrow-leaved plants.

Selected References

None.

Lower Taxa

None.