Difference between revisions of "Cyclanthera stenura"

G. L. Nesom

Phytoneuron 2014-11: 15, fig. 9. 2014.

Common names: Trans-Pecos cyclanthera
Endemic
Treatment appears in FNA Volume 6. Treatment on page 17. Mentioned on page 16.
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|elevation=1100–2500 m
 
|elevation=1100–2500 m
 
|distribution=Tex.
 
|distribution=Tex.
|discussion=<p>Cyclanthera stenura is distinct from C. gracillima in the more elongate and profusely flowered floriferous portion of its staminate inflorescence and its geography. It occurs in Brewster, Jeff Davis, and Presidio counties of the Trans-Pecos region of Texas.</p>
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|discussion=<p><i>Cyclanthera stenura</i> is distinct from <i>C. gracillima</i> in the more elongate and profusely flowered floriferous portion of its staminate inflorescence and its geography. It occurs in Brewster, Jeff Davis, and Presidio counties of the Trans-Pecos region of Texas.</p>
 
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|references=
 
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-->{{#Taxon:
 
name=Cyclanthera stenura
 
name=Cyclanthera stenura
|author=
 
 
|authority=G. L. Nesom
 
|authority=G. L. Nesom
 
|rank=species
 
|rank=species
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|publication year=2014
 
|publication year=2014
 
|special status=Endemic
 
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V6/V6_21.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V6/V6_21.xml
 
|genus=Cyclanthera
 
|genus=Cyclanthera
 
|species=Cyclanthera stenura
 
|species=Cyclanthera stenura

Latest revision as of 23:19, 5 November 2020

Stems glabrous; tendrils unbranched. Leaves 3-foliolate, lateral pair of leaflets deeply lobed, petiolules 2–5 mm, terminal leaflet 3–5 cm, blade narrowly lanceolate, petiolule 3–12 mm, narrowly oblanceolate, gradually broadening into leaflet base, leaflet margins coarsely serrate; petioles 16–28 mm. Staminate inflorescences (0.5–)2–12 cm, floriferous portion (0.5–)1.2–6 cm, (12–)18–70-flowered, narrowly racemoid, with racemose or fasciculate lateral branches 3–7 mm; flowers solitary or in fascicles of 2–3. Staminate corollas 3.8–6.3 mm diam. Anther heads 0.6–1 mm diam., sessile, glabrous. Fruiting peduncles 2–7 mm. Capsules ovoid, distinctly oblique-gibbous, short-beaked, (12–)15–20 mm, spinules (2–)3–5 mm.


Phenology: Flowering (May–)Aug–Oct.
Habitat: Canyons, rocky slopes, among boulders, igneous soil, roadsides, pinyon-oak-juniper woodlands
Elevation: 1100–2500 m

Discussion

Cyclanthera stenura is distinct from C. gracillima in the more elongate and profusely flowered floriferous portion of its staminate inflorescence and its geography. It occurs in Brewster, Jeff Davis, and Presidio counties of the Trans-Pecos region of Texas.

Selected References

None.

Lower Taxa

None.