Difference between revisions of "Tidestromia carnosa"

(Steyermark) I. M. Johnston

J. Arnold Arbor. 24: 232. 1943.

Conservation concern
Basionym: Cladothrix lanuginosa var. carnosa Steyermark Ann. Missouri Bot. Gard. 19: 389. 1932
Synonyms: Tidestromia lanuginosa var. carnosa (Steyermark) Cory
Treatment appears in FNA Volume 4. Mentioned on page 443.
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|year=1943
 
|year=1943
 
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|basionyms={{Treatment/ID/Synonym
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|special_status={{Treatment/ID/Special_status
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|code=C
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|label=Conservation concern
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|basionyms={{Treatment/ID/Basionym
 
|name=Cladothrix lanuginosa var. carnosa
 
|name=Cladothrix lanuginosa var. carnosa
 
|authority=Steyermark
 
|authority=Steyermark
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|rank=variety
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|publication_title=Ann. Missouri Bot. Gard.
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|publication_place=19: 389. 1932
 
}}
 
}}
 
|synonyms={{Treatment/ID/Synonym
 
|synonyms={{Treatment/ID/Synonym
 
|name=Tidestromia lanuginosa var. carnosa
 
|name=Tidestromia lanuginosa var. carnosa
 
|authority=(Steyermark) Cory
 
|authority=(Steyermark) Cory
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|rank=variety
 
}}
 
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|hierarchy=Amaranthaceae;Tidestromia;Tidestromia carnosa
 
|hierarchy=Amaranthaceae;Tidestromia;Tidestromia carnosa
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|distribution=Tex.;Mexico (Chihuahua).
 
|distribution=Tex.;Mexico (Chihuahua).
 
|discussion=<p>Of conservation concern.</p><!--
 
|discussion=<p>Of conservation concern.</p><!--
--><p>Tidestromia carnosa was accepted as a variety by C. F. Reed (1970) and K. R. Robertson (1981). We follow I. M. Johnston in recognizing it as a species. Tidestromia carnosa is distinctive in being glabrous or nearly so, having fleshy stems, yellowish green true and involucral leaves (particularly apparent in the field but membranous on dry material), and involucres formed by the connation of involucral leaf bases, which become indurate and adnate with or without the true leaf base.</p>
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--><p><i>Tidestromia carnosa</i> was accepted as a variety by C. F. Reed (1970) and K. R. Robertson (1981). We follow I. M. Johnston in recognizing it as a species. <i>Tidestromia carnosa</i> is distinctive in being glabrous or nearly so, having fleshy stems, yellowish green true and involucral leaves (particularly apparent in the field but membranous on dry material), and involucres formed by the connation of involucral leaf bases, which become indurate and adnate with or without the true leaf base.</p>
 
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-->{{#Taxon:
 
name=Tidestromia carnosa
 
name=Tidestromia carnosa
|author=
 
 
|authority=(Steyermark) I. M. Johnston
 
|authority=(Steyermark) I. M. Johnston
 
|rank=species
 
|rank=species
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|publication title=J. Arnold Arbor.
 
|publication title=J. Arnold Arbor.
 
|publication year=1943
 
|publication year=1943
|special status=
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|special status=Conservation concern
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V4/V4_870.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_870.xml
 
|genus=Tidestromia
 
|genus=Tidestromia
 
|species=Tidestromia carnosa
 
|species=Tidestromia carnosa

Latest revision as of 22:01, 5 November 2020

Herbs, annual, yellowish green, to 22 cm, glabrous or lanuginose; trichomes all candelabriform. Stems ascending or decumbent, herbaceous; buds absent on stem bases. Leaves: petiole to 1.5 cm; blade yellowish green, widely obovate, trullate, or lanceolate, 0.7–2.4 × 0.6–2.1 cm, fleshy, membranous when dry, base attenuate or oblique, glabrous or nearly so. Inflorescences 2–3-flowered; involucral leaf petiole to 0.4 cm, blade ovate, very widely ovate, narrowly elliptic, widely depressed-ovate, or obovate, 0.2–2.5 × 0.2–1.4 cm, fleshy, base attenuate or oblique, apex acute to obtuse; involucres on secondary branches formed by connation of involucral leaf bases, which become indurate and sometimes adnate with leaf bases; bracts widely ovate, 0.8–1 × 0.3–0.6 mm, apex acute or obtuse, distinctly lanuginose or glabrous; bracteoles 0.7–2 × 0.5–0.7 mm, apex acute, distinctly lanuginose or glabrous. Flowers 2–4 mm; tepals yellowish, 2–3.5 × 0.8–1.7 mm, distinctly lanuginose; staminal cup 0.5–0.6 mm; filaments 0.3–0.7 mm; anthers 0.4–0.6 mm; pseudostaminodes on short tissue lobes or absent; ovary 0.6–0.7 × 0.7–0.8 mm; style absent; stigmas 0.1–0.3 mm. Utricles 1.3–1.6 × 0.9–1.2 mm. Seeds white or brown-red, 1.5–1.8 × 1.4–1.7 mm.


Phenology: Flowering spring–fall.
Habitat: Dry rocky plains, roadsides, in limestone-sandy soils
Elevation: 700-900 m

Discussion

Of conservation concern.

Tidestromia carnosa was accepted as a variety by C. F. Reed (1970) and K. R. Robertson (1981). We follow I. M. Johnston in recognizing it as a species. Tidestromia carnosa is distinctive in being glabrous or nearly so, having fleshy stems, yellowish green true and involucral leaves (particularly apparent in the field but membranous on dry material), and involucres formed by the connation of involucral leaf bases, which become indurate and adnate with or without the true leaf base.

Selected References

None.

Lower Taxa

None.
... more about "Tidestromia carnosa"
Ivonne Sánchez del Pino +  and Steven E. Clemants +
(Steyermark) I. M. Johnston +
Cladothrix lanuginosa var. carnosa +
Tex. +  and Mexico (Chihuahua). +
700-900 m +
Dry rocky plains, roadsides, in limestone-sandy soils +
Flowering spring–fall. +
J. Arnold Arbor. +
Tidestromia lanuginosa var. carnosa +
Tidestromia carnosa +
Tidestromia +
species +